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Nothobranchiidae

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Nothobranchiidae are a family of bony fishes containing roughly 300 species, also known as African rivulines.[1] They are small killifish, usually measuring about 5 centimetres (2.0 in). They are limited to Africa, living in fresh water but being also somewhat salt-tolerant. They are also found in muddy or brackish water. Some species are kept as aquarium pets. They have frilly fins and many are brightly colored. They were formerly included in the family Aplocheilidae (which was later limited to Malagasy and Asian species, and the single West African Pseudepiplatys annulatus); a return to that broader family has recently been suggested.[2]

Members of genus Nothobranchius are found in mud pools on the plains of Africa, a habitat shared by no other fish except the lungfishes. Their life cycle is only a year long – and they die when the pools dry up, however the species survive because their eggs remain inactive (in diapause) in the dry bottom substrate throughout the dry season. (This is not true for lungfish, which are capable of surviving seasonal drying out of their habitats by burrowing into mud and estivating throughout the dry season. They can live to be at least 80 years of age.)[3] Pools of this type are often sprayed with poison to reduce mosquito populations, which also kills the fish. As might be expected with short-lived species living in an ephemeral habitat, many of these fish reach sexual maturity within weeks of hatching, and are prolific breeders.

Nothobranchius furzeri is the shortest-living vertebrate that can be bred in captivity, having a lifespan of between three and nine months.[4] Nothobranchius furzeri needs much food because it grows quickly, so when food supplied is inadequate, bigger fish will eat the smaller fish.[5]

Genera[1]

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References

  1. ^ a b Froese, Rainer, and Daniel Pauly, eds. (2012). "Nothobranchiidae" in FishBase. August 2012 version.
  2. ^ Costa, W.J.E.M. (2016): Comparative morphology and classification of South American cynopoeciline killifishes (Cyprinodontiformes: Aplocheilidae), with notes on family-group names used for aplocheiloids. Vertebrate Zoology, 66 (2): 125-140.
  3. ^ "Explore by Animal – Granddad: the Aquarium's Oldest Fish". Shedd Aquarium. 2013. Retrieved 31 March 2013..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
  4. ^ Valenzano DR, Sharp S, Brunet A (2011). "Transposon-Mediated Transgenesis in the Short-Lived African Killifish Nothobranchius furzeri, a Vertebrate Model for Aging". G3: Genes, Genomes, Genetics. 1 (7): 531–538. doi:10.1534/g3.111.001271. PMC 3276177. PMID 22384364.
  5. ^ "Species File: Nothobranchius furzeri". Killi.co.uk. 2009–2013. Retrieved 8 February 2013.


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Nothobranchiidae: Brief Summary

provided by wikipedia EN

Nothobranchiidae are a family of bony fishes containing roughly 300 species, also known as African rivulines. They are small killifish, usually measuring about 5 centimetres (2.0 in). They are limited to Africa, living in fresh water but being also somewhat salt-tolerant. They are also found in muddy or brackish water. Some species are kept as aquarium pets. They have frilly fins and many are brightly colored. They were formerly included in the family Aplocheilidae (which was later limited to Malagasy and Asian species, and the single West African Pseudepiplatys annulatus); a return to that broader family has recently been suggested.

Members of genus Nothobranchius are found in mud pools on the plains of Africa, a habitat shared by no other fish except the lungfishes. Their life cycle is only a year long – and they die when the pools dry up, however the species survive because their eggs remain inactive (in diapause) in the dry bottom substrate throughout the dry season. (This is not true for lungfish, which are capable of surviving seasonal drying out of their habitats by burrowing into mud and estivating throughout the dry season. They can live to be at least 80 years of age.) Pools of this type are often sprayed with poison to reduce mosquito populations, which also kills the fish. As might be expected with short-lived species living in an ephemeral habitat, many of these fish reach sexual maturity within weeks of hatching, and are prolific breeders.

Nothobranchius furzeri is the shortest-living vertebrate that can be bred in captivity, having a lifespan of between three and nine months. Nothobranchius furzeri needs much food because it grows quickly, so when food supplied is inadequate, bigger fish will eat the smaller fish.

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