Acanthicus hystrix
| Acanthicus hystrix | |
|---|---|
| File:Acanthicus hystrix.jpg | |
| From the Xingu River (Altamira, Pará, Brazil) | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Genus: | Acanthicus |
| Species: | A. hystrix
|
| Binomial name | |
| Acanthicus hystrix | |
| Synonyms[3] | |
| |
Acanthicus hystrix, the lyre-tail pleco,[4] is a species of armored catfish native to the Amazon, Tocantins–Araguaia and Orinoco basins.[2] It is typically found at various depths on a rock or rock–gravel bottom in the main channel of rivers in places with moderate to strong current,[2] although it also occurs in slow currents.[4] The species is occasionally seen in the aquarium trade, but its adult size and territorially aggressive behavior means that a very large tank is required.[4]
Appearance
[edit | edit source]It grows to 62.8 cm (2.06 ft) in standard length,[2] but may possibly reach 100 cm (3.3 ft).[4] Its color ranges from medium-brown to near-black (especially those from the Madeira, Branco and Xingu rivers are dark), and the underparts often have a vermiculated pattern.[2] Some of the variants are commonly considered as separate, undescribed species in the aquarium trade (e.g., L193 from the Orinoco basin and L407 from the Branco basin; in the L-number system), but there is extensive overlap in the morphometrics of the different populations.[2] Unlike the polka dot lyre-tail pleco (A. adonis), A. hystrix never has white spots.[2] Adult males are especially spiny with extensive odontodes on the cheeks and opercle.[2]
References
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- ^ a b c d e f g h 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.
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