Overview

Distribution

Biogeography

Australis
Palaearctis
Nearctis
Afrotropis
Orientalis
Neotropis

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Physical Description

Type Information

Collection specimen

Non-type voucher specimen for Floscularia ringens (Linnaeus, 1758)
Catalog number: 20108
Collection: National Museum of Natural History, Smithsonian Institution, Washington DC, USA
Prepared by: Myers, F J
Sex/stage/structure: females
Preparation: Slide Preparation; Microscope slide
Specimen Count: 4

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Collection specimen

Non-type voucher specimen for Floscularia ringens (Linnaeus, 1758)
Catalog number: 39793
Collection: National Museum of Natural History, Smithsonian Institution, Washington DC, USA
Prepared by: Myers, F J
Sex/stage/structure: female
Preparation: Slide Preparation; Microscope slide
Specimen Count: 1

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Collection specimen

Non-type voucher specimen for Floscularia ringens (Linnaeus, 1758)
Catalog number: 39792
Collection: National Museum of Natural History, Smithsonian Institution, Washington DC, USA
Prepared by: Myers, F J
Sex/stage/structure: female
Preparation: Slide Preparation; Microscope slide
Specimen Count: 1

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Collection specimen

Non-type voucher specimen for Floscularia ringens (Linnaeus, 1758)
Catalog number: 1337
Collection: Academy of Natural Sciences of Drexel University, Philadelphia, USA
Prepared by: Bennetch, L M
Sex/stage/structure: female
Preparation: Slide Preparation
Specimen Count: 1

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Wikipedia

Floscularia ringens

Floscularia ringens is a species of rotifer belonging to the subclass Monogononta, which resides in a tube that it builds using many little circular pellets consisting of bacteria and small pieces of detritus.[1] The word Floscularia signifies that this species of rotifers look like little blossoms or flowers.[2]Floscularia ringens grow to around 1.5 millimeters long and resides in freshwater locations, where it makes its small tube by connecting to the bottom of the leaves of water lilies.[3] Floscularia ringen goes into its tube when it is bothered.[4]

Contents

Feeding behavior [edit]

Floscularia ringens brings in food using water currents made with quickly moving cilia.[5] The quick, simultaneous movement of the two lobes consisting of cilia looks like little turning wheels.[5]

Reproduction and development [edit]

Adult Floscularia ringens make parthenogenetic eggs that are kept in the tube.[1] After the eggs hatch, the young stay in the maternal tube for a little time to finish developing before swimming off.[1] A young Floscularia ringens has a cone-shaped body, short foot, little corona, and mastax with trophi, but it still seems to not be able to eat.[1] In less than one day, the young Floscularia ringens makes a lasting connection to a substrate.[1] Its corona now has four lobes, and the foot lengthens.[1] After the corona develops the Floscularia ringens starts to eat through making currents, and it also begins to create its tube.[1]

Moment of fame [edit]

A close-up image of Floscularia ringens came first place in the 2011 Olympus BioScapes Digital Imaging Competition that presents movies and photographs of life science images.[6] The photograph depicts Floscularia ringens' feeding method, showing its quickly moving cilia which pulls in water consisting food.[7] Charles Krebs, the photographer of this image of Floscularia ringens, had his picture chosen out of the 2,000 submissions to the 2011 competition, earning him Olympus imaging equipment valued at $5,000.[6] Charles Krebs captured his photograph of Floscularia ringens using a method called differential interference contrast microscopy.[7]

References [edit]

  1. ^ a b c d e f g Diego Fontaneto, Giulio Melone & Robert L. Wallace (2003). "Morphology of Floscularia ringens (Rotifera, Monogononta) from egg to adult". Invertebrate Biology 122 (3): 231–240. doi:10.1111/j.1744-7410.2003.tb00087.x. 
  2. ^ "Floscularia - one more famous marvel of pond life"
  3. ^ "BioScapes: the beauty of nature"
  4. ^ "LM of sessile Floscularia ringen"
  5. ^ a b "Floscularia Ringens"
  6. ^ a b "Tiny critter becomes a big wheel"
  7. ^ a b "Mr. Charles Krebs"
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Source: Wikipedia

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