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Poor man's tropheus

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Poor man's tropheus
Breeding (left) and normal colouration (right).
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cichliformes
Family: Cichlidae
Genus: Neetroplus
Species:
N. nematopus
Binomial name
Neetroplus nematopus
(Günther, 1867)
Synonyms[2]
  • Neetroplus nematopus Günther, 1867
  • Neetroplus nicaraguensis T.N. Gill, 1877
  • Neetroplus fluviatilis Meek, 1912

The poor man's tropheus (Neetroplus nematopus) is a species of fish in the family Cichlidae. Until 2007 it was the only species in the genus Neetroplus, but at that time it was reclassified into the genus Hypsophrys.[3] In 2016 it was restored to the genus Neetroplus based on genetic research by Říčan, et al.[4]

Its name comes from having similar diet, behavior, and body shape to the tropheus.[5]

It is a small-medium-sized cichlid growing to a length of 12 cm. It occurs in Central America in Lake Xiloá, Lake Managua, Lake Masaya and Lake Nicaragua and in riverine habitats on the Atlantic coasts of Costa Rica and Nicaragua. Like most Central American cichlids the species is commonly found in hard, alkaline (pH 7.5) water. Its diet consists of algae and plant material which it scrapes from rocks and other hard surfaces in a fashion similar to algal grazing cichlids of Lake Malawi in Africa. Some populations are reportedly involved in cleaning other fish of parasites. It also eats chironomid larvae, and is more efficient at winnowing through soft sediment on the river-bed than might be expected from the shape of its snout, moving large quantities of sand with its mouth and sweeping sand away with its fins and tail.[6]

It uses the same skills when excavating a hole for its nest.[6] Like all cichlids, brood care is highly developed with both parents involved in fry raising. Colouration changes dramatically (see pictures) while breeding.

References

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  1. ^ Lyons, TJ. (2022). "L". IUCN Red List of Threatened Species. 2020: e.T152306251A152306348. doi:10.2305/IUCN.UK.2020-3.RLTS.T152306251A152306348.en. Retrieved 1 November 2022.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.). "Hypsophrys nematopus". FishBase. KJune 2018 version.
  3. ^ "Convict and Jack Dempsey placed in new genera". Archived from the original on 2007-12-28. Retrieved 2008-06-27.
  4. ^ Říčan, O.; Piálek, L.; Dragová, K. & Novák, J. (2016). "Diversity and evolution of the Middle American cichlid fishes (Teleostei: Cichlidae) with revised classification" (PDF). Vertebrate Zoology. 66 (1): 1–102. Retrieved 2019-01-25.
  5. ^ Borstein, Sam. "Neetroplus nematopus - Sam Borstein's Cichlids". borstein.info. Retrieved 13 April 2024.
  6. ^ a b López-Fernández, Hernán; Arbour, Jessica; Willis, Stuart; Watkins, Crystal; Honeycutt, Rodney L.; Winemiller, Kirk O. (2014). "Morphology and Efficiency of a Specialized Foraging Behavior, Sediment Sifting, in Neotropical Cichlid Fishes". PLOS ONE. 9 (3): e89832. Bibcode:2014PLoSO...989832L. doi:10.1371/journal.pone.0089832. PMC 3945966. PMID 24603485.
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