Water temperature and chemistry ranges based on 100 samples.
Depth range (m): 0 - 6.5
Temperature range (°C): 25.997 - 27.443
Nitrate (umol/L): 0.227 - 0.740
Salinity (PPS): 35.999 - 36.403
Oxygen (ml/l): 4.582 - 4.769
Phosphate (umol/l): 0.063 - 0.101
Silicate (umol/l): 1.289 - 2.334
Depth range (m): 0 - 6.5
Temperature range (°C): 25.997 - 27.443
Nitrate (umol/L): 0.227 - 0.740
Salinity (PPS): 35.999 - 36.403
Oxygen (ml/l): 4.582 - 4.769
Phosphate (umol/l): 0.063 - 0.101
Silicate (umol/l): 1.289 - 2.334
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Molecular Biology and Genetics
Statistics of barcoding coverage
Specimens with Sequences:4
Specimens with Barcodes:4
Species With Barcodes:1
Manatees (family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows. There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West African manatee (Trichechus senegalensis). They measure up to 13 feet (4.0 m) long, weigh as much as 1,300 pounds (590 kg), and have paddle-like flippers. The name manatí comes from the Taíno, a pre-Columbian people of the Caribbean, meaning "breast".
- 1 Taxonomy
- 2 Description
- 3 Behavior
- 4 Ecology
- 5 Relation to humans
- 6 Notes
- 7 External links
Manatees comprise three of the four living species in the order Sirenia. The fourth is the Eastern Hemisphere's dugong. The Sirenia are thought to have evolved from four-legged land mammals over 60 million years ago, with the closest living relatives being the Proboscidea (elephants) and Hyracoidea (hyraxes).
The Amazonian's hair color is brownish gray, and they have thick wrinkled skin often with coarse hair, or "whiskers". Photos are rare; although very little is known about this species, scientists think they are similar to West Indian manatees.
Manatees have a mass of 400 to 550 kilograms (880 to 1,210 lb), and mean length of 2.8 to 3.0 metres (9.2 to 9.8 ft), with maxima of 3.6 metres (12 ft) and 1,775 kilograms (3,913 lb) seen (the females tend to be larger and heavier). When born, baby manatees have an average mass of 30 kilograms (66 lb). They have a large, flexible, prehensile upper lip. They use the lip to gather food and eat, as well as using it for social interactions and communications. Manatees have shorter snouts than their fellow sirenians, the dugongs. Their small, widely spaced eyes have eyelids that close in a circular manner. The adults have no incisor or canine teeth, just a set of cheek teeth, which are not clearly differentiated into molars and premolars. These teeth are continuously replaced throughout life, with new teeth growing at the rear as older teeth fall out from farther forward in the mouth. This process is known as polyphyodonty and amongst the other mammals, only occurs in the kangaroo and elephant. At any given time, a manatee typically has no more than six teeth in each jaw of its mouth. Its tail is paddle-shaped, and is the clearest visible difference between manatees and dugongs; a dugong tail is fluked, similar in shape to a that of a whale. Females have two teats, one under each flipper, a characteristic that was used to make early links between the manatee and elephants.
Manatees are unusual amongst mammals in possessing just six cervical vertebrae, which may be due to mutations in the homeotic genes. All other mammals have seven cervical vertebrae, other than the two-toed and three-toed sloths.
Like horses, they have a simple stomach, but a large cecum, in which they can digest tough plant matter. In general, their intestines have a typical length of about 45 meters, which is unusually long for animals of their size. Manatees produce enormous amounts of gas, which contributes to their barrel-shape, to aid in the digestion of their food.
Apart from mothers with their young, or males following a receptive female, manatees are generally solitary animals. Manatees spend approximately 50% of the day sleeping submerged, surfacing for air regularly at intervals of less than 20 minutes. The remainder of the time is mostly spent grazing in shallow waters at depths of 1–2 metres (3.3–6.6 ft). The Florida subspecies (T. m. latirostris) has been known to live up to 60 years.
Generally, manatees swim at about 5 to 8 kilometres per hour (3 to 5 mph). However, they have been known to swim at up to 30 kilometres per hour (20 mph) in short bursts.
Intelligence and learning
Manatees are capable of understanding discrimination tasks and show signs of complex associative learning. They also have good long-term memory. They demonstrate discrimination and task-learning abilities similar to dolphins and pinnipeds in acoustic and visual studies.
Manatees emit a wide range of sounds used in communication, especially between cows and their calves. Adults communicate to maintain contact and during sexual and play behaviors. Taste and smell, in addition to sight, sound, and touch, may also be forms of communication.
Manatees are herbivores and eat over 60 different freshwater ( e.g. floating hyacinth, pickerel weed, alligator weed, water lettuce, hydrilla, water celery, musk grass, mangrove leaves) and saltwater plants (e.g. sea grasses, shoal grass, manatee grass, turtle grass, widgeon grass, sea clover, and marine algae). Using their divided upper lip, an adult manatee will commonly eat up to 10%-15% of their body weight (about 50 kg) per day. Consuming such an amount requires the manatee to graze for up to seven hours a day. Manatees have been known to eat small amounts of fish from nets.
Manatees use their flippers to "walk" along the bottom whilst they dig for plants and roots in the substrate. When plants are detected, the flippers are used to scoop the vegetation toward the manatee's lips. The manatee has prehensile lips; the upper lip pad is split into left and right sides which can move independently. The lips use seven muscles to manipulate and tear at plants. Manatees use their lips and front flippers to move the plants into the mouth. The manatee does not have front teeth, however, behind the lips, on the roof of the mouth, there are dense, ridged pads. These horny ridges, and the manatee's lower jaw, tear through ingested plant material.
Manatees have four rows of teeth. There are 6 to 8 high-crowned, open-rooted molars located along each side of the upper and lower jaw giving a total of 24 to 32 flat, rough-textured teeth. Eating gritty vegetation abrades the teeth, particularly the enamel crown, however, research indicates that the enamel structure in manatee molars is weak. To compensate for this, manatee teeth are continually replaced. When anterior molars wear down, they are shed. Posterior molars erupt at the back of the row and slowly move forward to replace these like enamel crowns on a conveyor belt. This process continues throughout the manatee's lifetime. The rate at which the teeth migrate forward depends on how quickly the anterior teeth abrade. Some studies indicate that the rate is about 1 cm/month although other studies indicate 0.1 cm/month. This process of teeth being continually replaced is known as polyphyodonty and amongst other mammals, only occurs in elephants and kangaroos.
Range and habitat
Manatees inhabit the shallow, marshy coastal areas and rivers of the Caribbean Sea and the Gulf of Mexico (T. manatus, West Indian manatee), the Amazon Basin (T. inunguis, Amazonian manatee), and West Africa (T. senegalensis, West African manatee).
West Indian manatees prefer warmer temperatures and are known to congregate in shallow waters. They frequently migrate through brackish water estuaries to freshwater springs. They cannot survive below 15 °C (60 °F). Their natural source for warmth during winter is warm, spring-fed rivers.
The coast of the state of Georgia is usually the northernmost range of the West Indian manatees because their low metabolic rate does not protect them in cold water. Prolonged exposure to water temperatures below 68 °F (20 °C) can bring about "cold stress syndrome" and death.
Florida manatees can move freely between salinity extremes.
Manatees have been seen as far north as Cape Cod, and in 2006, one was seen in New York City and Rhode Island's Narragansett Bay, as cited in The Boston Globe. According to Memphis, Tennessee's The Commercial Appeal newspaper, one manatee was spotted in the Wolf River harbor near the Mississippi River in downtown Memphis on October 23, 2006, though it was later found dead 10 miles downriver in McKellar Lake.
The West Indian manatee migrates into Florida rivers, such as the Crystal, the Homosassa, and the Chassahowitzka Rivers. The headsprings of these rivers maintain a 22 °C (72 °F) temperature all year. During November to March, about 400 West Indian manatees (according to the National Wildlife Refuge) congregate in the rivers in Citrus County, Florida.
During winter, manatees often congregate near the warm-water outflows of power plants along the coast of Florida instead of migrating south as they once did. Some conservations are concerned these manatees have become too reliant on these artificially warmed areas. The U.S. Fish and Wildlife Service is trying to find a new way to heat the water for manatees that are dependent on plants that have closed. The main water treatment plant in Guyana has four manatees that keep storage canals clear of weeds; there are also some in the ponds of the National Park in Georgetown, Guyana.
Studies suggest Florida manatees must have some access to fresh water for proper regulation of water and salts within their bodies.
Accurate population estimates of the Florida manatee (T. manatus) are difficult. They have been called scientifically weak due to widely varying counts from year to year, some areas showing increases, others decreases and little strong evidence of increases except in two areas. Manatee counts are highly variable without an accurate way to estimate numbers: In Florida in 1996, a winter survey found 2,639 manatees, in 1997, a January survey found 2,229, and a February survey found 1,706. A statewide synoptic survey in January 2010 found 5,067 manatees living in Florida, which was a new record count.
Fossil remains of Florida manatee ancestors date back about 45 million years.
The freshwater Amazonian manatee (T. inunguis) inhabits the Amazon River and its tributaries, and never ventures into salt water.
They are found in coastal marine and estuarine habitats, and in freshwater river systems along the west coast of Africa from the Senegal River south to the Kwanza River in Angola. They live as far upriver on the Niger River as Gao, Mali.
Overall, predation does not present a significant threat to the survival of any manatee species.
Relation to humans
The main causes of death for manatees are human-related issues, such as habitat destruction and human objects. Natural causes of death include adverse temperatures and disease.
Their slow-moving, curious nature, coupled with dense coastal development, has led to many violent collisions with propeller-driven boats and ships, leading frequently to maiming, disfigurement, and even death. As a result, a large proportion of manatees exhibit spiral cutting propeller scars on their backs, usually caused by larger vessels that do not have skegs in front of the propellers like the smaller outboard and inboard-outboard recreational boats have. They are now even identified by humans based on their scar patterns. Many manatees have been cut in half by large vessels like ships and tug boats, even in the highly populated lower St. Johns River's narrow channels. Some are concerned that the current situation is inhumane, with upwards of 50 scars and disfigurements from vessel strikes on a single manatee. Often, the cuts lead to infections, which can prove fatal. Internal injuries stemming from being trapped between hulls and docks and impacts have also been fatal. Recent testing shows that manatees may be able to hear speed boats and other watercraft approaching, due to the frequency the boat makes. However, a manatee may not be able to hear the approaching boats when they are performing day-to-day activities or distractions. The manatee has a tested frequency range of 8 kilohertz to 32 kilohertz.
Manatees hear on a higher frequency than would be expected for such large marine mammals. Many large boats emit very low frequencies, which confuse the manatee and explain their lack of awareness around boats. The Lloyd's mirror effect results in low frequency propeller sounds not being discernible near the surface, where most accidents occur. Research indicates that when a boat has a higher frequency the manatees rapidly swim away from danger.
In 2003, a population model was released by the United States Geological Survey that predicted an extremely grave situation confronting the manatee in both the Southwest and Atlantic regions where the vast majority of manatees are found. It states,
- "In the absence of any new management action, that is, if boat mortality rates continue to increase at the rates observed since 1992, the situation in the Atlantic and Southwest regions is dire, with no chance of meeting recovery criteria within 100 years."
- "Hurricanes, cold stress, red tide poisoning and a variety of other maladies threaten manatees, but by far their greatest danger is from watercraft strikes, which account for about a quarter of Florida manatee deaths," said study curator John Jett.
According to marine mammal veterinarians:
- "The severity of mutilations for some of these individuals can be astounding – including long term survivors with completely severed tails, major tail mutilations, and multiple disfiguring dorsal lacerations. These injuries not only cause gruesome wounds, but may also impact population processes by reducing calf production (and survival) in wounded females – observations also speak to the likely pain and suffering endured". In an example, they cited one case study of a small calf "with a severe dorsal mutilation trailing a decomposing piece of dermis and muscle as it continued to accompany and nurse from its mother...by age 2 its dorsum was grossly deformed and included a large protruding rib fragment visible."
These veterinarians go on to state:
- "the overwhelming documentation of gruesome wounding of manatees leaves no room for denial. Minimization of this injury is explicit in the Recovery Plan, several state statutes, and federal laws, and implicit in our society's ethical and moral standards."
Another cause of manatee deaths is the red tide, a term used for the proliferation, or "blooms", of the microscopic marine algae of the species Karenia brevis, a member of the dinoflagellates that produces brevetoxins that can have toxic effects on the central nervous systems of creatures in the area of the algae bloom.
In 1996, a red tide was responsible for 151 manatee deaths. The epidemic began on March 5 and continued through April 28, wiping out approximately 15% of the known population of manatees along South Florida's western coast. In 1982, another outbreak resulted in 37 deaths, and in 2005, 44 more deaths were attributed to the blooms.
Manatees occasionally ingest fishing gear (hooks, metal weights, etc.) while feeding. These foreign materials do not appear to harm manatees, except for monofilament line or string, which can clog a manatee's digestive system and slowly kill it.
Manatees can also be crushed in water control structures (navigation locks, floodgates, etc.), drown in pipes and culverts, and are occasionally killed by entanglement in fishing gear, primarily crab pot float lines.
The African manatee's only significant threats are due to poaching, habitat loss, and other environmental impacts. They occasionally get stranded as the river dries up at the end of rainy season.
All three species of manatee are listed by the World Conservation Union as vulnerable to extinction.
It is illegal under federal and Florida law to injure or harm a manatee. They are classified as "endangered" by both the state and the federal governments.
The MV Freedom Star and MV Liberty Star, ships used by NASA to tow space shuttle solid rocket boosters back to Kennedy Space Center, are propelled only by water jets to protect the endangered manatee population that inhabits regions of the Banana River where the ships are based.
Brazil outlawed hunting in 1973 in an effort to preserve the species. Deaths by boat strikes are still common.
The primary hunting method was for the hunter to approach in a dugout canoe, offering bait to attract it close enough to temporarily stun it with a blow near the head from an oar-like pole. Many times the creature would flip over, leaving it vulnerable to further attacks.
Later, manatees were hunted for their bones, which were used to make "special potions". Until the 1800s, museums paid as much as $100 for bones or hides. Though hunting was banned in 1893, poaching continues today.
The oldest manatee in captivity is Snooty, at the South Florida Museum's Parker Manatee Aquarium in Bradenton, Florida. Born at the Miami Aquarium and Tackle Company on July 21, 1948 (age 66), Snooty was one of the first recorded captive manatee births. Raised entirely in captivity, Snooty will never be released into the wild. So he is the only manatee at the Aquarium, and one of a select few captive manatees in the United States, that is allowed to interact with human handlers. This makes him uniquely suitable to manatee research and education.
Manatees can also be viewed in a number of European zoos, such as the Tierpark in Berlin, the Nuremberg Zoo, in ZooParc de Beauval in France and in the Aquarium of Genoa in Italy. The River Safari at Singapore features seven of them. They are also included in the plans for a new National Wildlife Conservation Park in Bristol, England, whose first exhibit is due to open in summer 2013 with the manatees as an addition as early as 2015.
The manatee has been linked to folklore on mermaids. Native Americans ground the bones to treat asthma and earache. In West African folklore, they were considered sacred and thought to have been once human. Killing one was taboo and required penance.
- Blanc, J. (2008). "Loxodonta africana". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature. Retrieved 2010-04-04.
- West Indian Manatee Facts and Pictures – National Geographic Kids. Kids.nationalgeographic.com. Retrieved on 2011-12-03.
- "What's in a name? Manatees and Dugongs". Smithsonian National Zoological Park. 2000. Retrieved May 2010.[dead link]
- Domning, D.P., 1994, Paleontology and evolution of sirenians: Status of knowledge and research needs, in Proceeding of the 1st International Manatee and Dugong Research Conference, Gainesville, Florida, 1–5)
- Penny, Malcolm (2002). The Secret Life of Kangaroos. Austin TX: Raintree Steck-Vaughn. ISBN 0-7398-4986-7.
- Shoshani, J., ed. (2000). Elephants: Majestic Creatures of the Wild. Checkmark Books. ISBN 0-87596-143-6.
- Best, Robin (1984). Macdonald, D., ed. The Encyclopedia of Mammals. New York: Facts on File. pp. 292–298. ISBN 0-87196-871-1.
- "The Florida Manatee (Trichechus manatus latirostrus).". The Amy H Remley Foundation. Retrieved August 15, 2013.
- Hautier, Lionel; Weisbecker, V; Sánchez-Villagra, M. R.; Goswami, A; Asher, R. J. (2010). "Skeletal development in sloths and the evolution of mammalian vertebral patterning". PNAS 107 (44): 18903–18908. doi:10.1073/pnas.1010335107. PMC 2973901. PMID 20956304. Retrieved 25 July 2013.
- "Sticking Their Necks out for Evolution: Why Sloths and Manatees Have Unusually Long (or Short) Necks". May 6th 2011. Science Daily. Retrieved 25 July 2013.
- Frietson Galis (1999). "Why do almost all mammals have seven cervical vertebrae? Developmental constraints, Hox genes and Cancer". Journal of experimental zoology 285 (1): 19–26. doi:10.1002/(SICI)1097-010X(19990415)285:1<19::AID-JEZ3>3.0.CO;2-Z. PMID 10327647.
- Ningthoujam Sandhyarani. "Interesting Facts about Manatees (Sea Cows)". Buzzle.com. Retrieved 2011-06-28.
- Ambati, B. K.; Nozaki, M.; Singh, N.; Takeda, A.; Jani, P. D.; Suthar, T.; Albuquerque, R. J. C.; Richter, E.; Sakurai, E.; Newcomb, M. T.; Kleinman, M. E.; Caldwell, R. B.; Lin, Q.; Ogura, Y.; Orecchia, A.; Samuelson, D. A.; Agnew, D. W.; St Leger, J.; Green, W. R.; Mahasreshti, P. J.; Curiel, D. T.; Kwan, D.; Marsh, H.; Ikeda, S.; Leiper, L. J.; Collinson, J. M.; Bogdanovich, S.; Khurana, T. S.; Shibuya, M.; Baldwin, M. E. (2006). "Corneal avascularity is due to soluble VEGF receptor-1". Nature 443 (7114): 993–997. doi:10.1038/nature05249. PMC 2656128. PMID 17051153.
- Gerstein, E. R. (1994). "The manatee mind: Discrimination training for sensory perception testing of West Indian manatees (Trichechus manatus)". Marine Mammals 1: 10–21.
- (Marine Mammal Medicine, 2001, Leslie Dierauf & Frances Gulland, CRC Press)
- "Manatee". Journey North. 2003. Retrieved April 29, 2014.
- Powell, James (1978). "Evidence for carnivory in manatee (Trichechus manatus)". Journal of Mammalogy 59 (2): 442. doi:10.2307/1379938. JSTOR 1379938.
- Trials of a Primatologist. – smithsonianmag.com. Accessed March 15, 2008.
- Basu, Rebecca (1 March 2010). "Winter is culprit in manatee death toll". Melbourne, Florida: Florida Today. pp. 1A.[dead link]
- Keith Morelli (January 7, 2011). "Can manatees survive without warm waters from power plants?". The Tampa Tribune. Retrieved 2012-05-04.
- U.S. Marine Mammal Commission 1999
- "Exceptional weather conditions lead to record high manatee count" (Press release). Florida Fish and Wildlife Conservation Commission. January 20, 2010. Retrieved 30 December 2010.
- (Marmontel, Humphrey, O'Shea 1997, Population Variability Analysis of the Florida Manatee, 1976–1992, Conserv. biol., 11: 467–481)
- Florida boaters killing endangered manatees. Cyber Diver News Network. 11 January 2006
- Manatees hard of hearing. Scienceagogo.com (1999-07-30). Retrieved on 2011-12-03.
- Long Term Prospects for Manatee Recovery Look Grim, According To New Data Released By Federal Government. Savethemanatee.org (2003-04-29). Retrieved on 2011-12-03.
- ufl.edu. News.ufl.edu (2007-07-03). Retrieved on 2011-12-03.
- "Manatee Mortality Statistics". Fish and Wildlife Research Institute. Retrieved 30 December 2010.
- "Manatee Deaths From Boat Strikes Approach Record: Club Asks For Boaters’ Urgent Help". Save the Manatee Club. Retrieved May 2010.
- Flewelling, LJ; Naar, JP; Abbott, JP; Baden, DG; Barros, NB; Bossart, GD; Bottein, MY; Hammond, DG et al. (9 June 2005). "Brevetoxicosis: Red tides and marine mammal mortalities". Nature 435 (7043): 755–756. doi:10.1038/nature435755a. PMC 2659475. PMID 15944690. Retrieved May 2010.
- "Beachgoers Beware: Red Tide Outbreaks in Florida". Save the Manatee Club. Retrieved May 2010.
- "Scientists Say Toxin in Red Tide Killed Scores of Manatees". New York Times. July 5, 1996. Retrieved May 2010.
- "Mystery epidemic killing manatees". Local & State. April 9, 1996. p. 38. Retrieved May 2010.
- Help End Manatee Harassment in Citrus County, Florida!. Savethemanatee.org. Retrieved on 2011-12-03.
- St. Petersburg Times – Manatee Abuse Caught on Tape. Sptimes.com. Retrieved on 2011-12-03.
- Hunting for Manatees. Ambergriscaye.com. Retrieved on 2011-12-03.
- Snooty the Manatee. South Florida Museum. ISBN 9-781569-444412.
- "Manatees move into world's largest freshwater aquarium at River Safari". Retrieved 2013-07-24.
- "Introducing Bristol Zoo’s new conservation park – Wild Place". Retrieved 2013-06-03.
- "Zoo submits £70m park proposals". BBC News (BBC). 2008-07-17. Retrieved 2011-10-30.
- Cooper, JC (1992). Symbolic and Mythological Animals. London: Aquarian Press. p. 157. ISBN 1-85538-118-4.
The dwarf manatee (Trichechus "pygmaeus", or mistakenly Trichechus bernhardi) is a possible species of manatee found in the freshwater habitats of the Amazon, though restricted to one tributary of the Aripuanã River. According to Marc van Roosmalen, the scientist who proposed it as a new species, it lives in shallow, fast-running water, and feeds on different species of aquatic plants from the Amazonian manatee, which prefers deeper, slower-moving waters and the plants found there. The dwarf manatee reportedly migrates upriver during the rainy season when the river floods to the headwaters and shallow ponds. Based on its small range, the dwarf manatee is suggested to be considered critically endangered, but at present it is not recognized by the IUCN.
The dwarf manatee is typically about 130 cm (4.3 ft) long, and weighs about 60 kg (130 lb), making it the smallest extant sirenians. It is overall very dark, almost black, with a white patch on the abdomen. It may actually represent an immature Amazonian manatee, but it is reported to differ in proportions and colour. It is, however, at least very closely related, as mtDNA has failed to reveal any difference between the two. Mutation rates in manatees – if the dwarf manatee is distinct – suggests a divergence time of less than 485,000 years. Daryl Domning, a Smithsonian Institution research associate and the world's foremost experts on manatee evolution, has stated that the DNA evidence actually proves that these merely are immature Amazonian manatees.
Disregarding its questionable validity as a species, the proposed name Trichechus pygmaeus is problematic. A formal description using that name was submitted to Nature, but it was rejected and consequently the article has only been published online. This has resulted in the invalidation of the name following chapter 3, article 8.6 of the ICZN Code.
- International Union for Conservation of Nature (2008). IUCN Red List. Accessed November 09, 2009.
- William. (2008). Interview with Marc van Roosmalen. aquaticcommunity.com. Accessed November 09, 2009.
- van Roosmalen, M. G. M. A new species of living manatee from the Amazon.. Accessed on March 15, 2008.
- How Manatees Evolved. manateebrain.org. Accessed 2008-07-27
- Trials of a Primatologist. smithsonianmag.com. Accessed 2008-07-27
- International Commission on Zoological Nomenclature. (1999). International Code of Zoological Nomenclature. 4th edition. Accessed December 22, 2011.
Snooty at his 65th birthday in 2013, being presented a "cake" made of fruits and vegetables.
|Born|| July 21, 1948 |
Miami, Florida, United States
|Residence||South Florida Museum, Bradenton, Florida, United States|
|Occupation||Mascot of Manatee County, Florida|
Snooty (born July 21, 1948) is a male Florida manatee that resides at the South Florida Museum's Parker Manatee Aquarium in Bradenton, Florida. He is one of the first recorded captive manatee births, and at age 65, he is the oldest manatee in captivity, and likely the oldest manatee in the world. Due to his hand rearing from birth, Snooty will not be released to the wild and is the only manatee at the museum's aquarium that has regular human interaction.
Sometime during 1947 and 1948, Samuel Stout, owner of the Miami Aquarium and Tackle Company, acquired a permit from the State of Florida to own a single manatee, a female he had named "Lady". On July 21, 1948, Lady gave birth to a male calf Stout named "Baby", but due to his permit only allowing him to keep a single manatee, he had to find a new home for the calf. Around the same time, the city of Bradenton in Manatee County wished to acquire a manatee for their 1949 De Soto Heritage Festival, and learned of the birth of Baby at the Miami Aquarium and Tackle Company. After De Soto Celebration Association member Walter Hardin acquired a permit for a manatee exhibition, and the city built a tank on the municipal pier and arranged for Stout to bring Baby from Miami to Bradenton for the festival. Afterwards, Stout returned with the manatee to Miami, but Stout was still only legally allowed to keep a single manatee.
In April 1949, it was arranged that Baby would become a permanent resident of Bradenton's South Florida Museum, where a new 3,000 U.S. gallons (11,000 L) round tank was completed in May for Baby to begin living in on June 20, 1949. According to the book The Legacy: South Florida Museum, Stout arrived in Bradenton late at night and was unable to locate the museum's curator Dr. Lester Leigh to unlock the door, and received help from the sheriff and a group of prisoners to move Baby into his new home. The manatee remained named as just "Baby" through November 1949, after which he became known as "Baby Snoots", possibly from Stout, or popularly believed to have been inspired by Fanny Brice's The Baby Snooks Show. As the manatee aged, he soon became known simply as "Snooty". In 1966, the South Florida Aquarium moved from the Bradenton Municipal Pier to its current location in 1966, and Snooty was given a new and larger 9,000 U.S. gallons (34,000 L) pool to live in. He was also granted official mascot status for Manatee County, Florida. In 1993, the museum underwent renovations, again, and Snooty was moved to his current 60,000 U.S. gallons (230,000 L) pool, which was renovated again in 1998 to allow for better care for Snooty and now two more companion manatees for rehabilitation in accordance with the Manatee Rehabilitation Network, the Sea to Shore Alliance, and the Florida Fish and Wildlife Conservation Commission. Since 1998, starting with Newton, the Parker Manatee Aquarium has helped in rehabilitation for 25 manatees.
Due to Snooty's hand rearing from birth, he is too old to be released into the wild and is the only manatee in the aquarium that is allowed human interaction. It has been discovered that Snooty is able to remember the voices of former keepers and remember training behaviors he learned when only one year old. Snooty has also been used in research with the Mote Marine Laboratory. In a 2006 study, it was shown that manatees such as Snooty were capable of experimental tasks much like dolphins, disproving the preconception that manatees are unintelligent. Snooty's birthday is a popular event at the South Florida Museum, the highlight of which is the presentation of a "cake" made of vegetables and fruits for Snooty while the visitors all sing "Happy Birthday" for him. Due to his known date of birth, Snooty is evidence for how long manatees are able to live.
- Snooty the Manatee. South Florida Museum. ISBN 9-781569-444412.
- Thomas Peter Bennett. The Legacy: South Florida Museum. University Press of America. pp. 84–95. ISBN 9-780761-852612.
- Pitman, Craig (2008-07-18). "A manatee milestone: Snooty turning 60". Tampa Bay Times. Retrieved 2014-06-04.
- Goode, Erica (2006-08-29). "Sleek? Well, No. Complex? Yes, Indeed". The New York Times. Retrieved 2014-03-13.
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