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Acanthicus adonis

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Species of fish

Acanthicus adonis
Conservation status

Least Concern  (IUCN 3.1)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Loricariidae
Genus: Acanthicus
Species: A. adonis
Binomial name
Acanthicus adonis
Isbrücker & Nijssen, 1988

Acanthicus adonis, the adonis pleco or polka dot lyre-tail pleco, is a large species of armored catfish. It was originally described from the lower Tocantins River in Brazil, but individuals resembling the species have also been recorded from Amazonian Peru. The species is occasionally seen in the aquarium trade, but its massive adult size and territorially aggressive behavior means that a very large tank is required. These fish are opportunistic omnivores.

Appearance

Acanthicus adonis is among the largest armored catfish species and reaches a length of 1 m (3.3 ft).

It is dark brown to black with numerous white spots as a juvenile. As the fish matures, the spots become less numerous and smaller, often disappearing entirely in large adults. Its close relative A. hystrix always lack white spots, regardless of age. In contrast, A. adonis lacks the vermiculated pattern often (but not always) found on the underparts of A. hystrix.

References

  1. Salvador, G.N. (2023). "Acanthicus adonis". IUCN Red List of Threatened Species. 2023: e.T164512501A164512505. doi:10.2305/IUCN.UK.2023-1.RLTS.T164512501A164512505.en. Retrieved 5 March 2024.
  2. ^ PlanetCatfish: Acanthicus adonis. Retrieved 17 May 2013
  3. Froese, Rainer; Pauly, Daniel (eds.). "Acanthicus adonis". FishBase. December 2011 version.
  4. ^ Chamon, C.C. (2016): Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus. Zootaxa, 4088 (3): 395–408.
  5. ^ "Acanthicus adonis". SeriouslyFish. Retrieved 31 October 2017.
  6. ^ Chamon, C.C. (2011). Revisão taxonômica e relações filogenéticas do grupo Acanthicus (Siluriformes, Loricariidae) (PDF) (PhD thesis). São Paulo State University. doi:10.11606/T.41.2012.tde-13072012-101458.
Taxon identifiers
Acanthicus adonis


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