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Pterygoplichthys multiradiatus is one of several tropical fish commonly known as Orinoco sailfin catfish, plecostomus (or plecos). It belongs to the armored catfish family ( Loricariidae ). Named for its sail-like dorsal fin , the part of its scientific name multiradiatus means "many-rayed" and refers to the rays of the dorsal fin .
Hypostomus plecostomus, also known as the suckermouth catfish or common pleco, is a tropical freshwater fish belonging to the armored catfish family (Loricariidae), named for the longitudinal rows of armor-like scutes that cover the upper parts of the head and body (the lower surface of head and abdomen is naked soft skin).
Acanthicus adonis, the adonis pleco or polka dot lyre-tail pleco, is a large species of armored catfish. [ 2 ] [ 3 ] It was originally described from the lower Tocantins River in Brazil, but individuals resembling the species have also been recorded from Amazonian Peru.
Acanthicus adonis Isbrücker & Nijssen, 1988 (adonis pleco, polka dot lyre-tail pleco) Acanthicus hystrix Agassiz in Spix & Agassiz, 1829 (lyre-tail pleco) A. hystrix is also known as L155 by the L-number system. [5] Possibly undescribed species in the genus are L193 (Orinoco basin) and L407 (Branco basin), but these may be variants of A ...
The largest animal this species reliably known to date reached a total length of 242 cm (7.94 ft) with a length from the muzzle to cloaca length 98 cm (39 in) and estimated at 12–15 kg (26–33 lb) [193] According to Faust (2001), the largest representative of this species measured 2.43 m (7.97 ft). [1]
The two species differ genetically by 5.5%, Fry shared. “It’s quite significant – to put it in perspective, humans differ from chimpanzees by only about 2%."
Plecostomus, pleco, or plec is the common name of several species of freshwater loricariid catfish commonly sold as aquarium fish. These include: Pterygoplichthys gibbiceps
The new species, described in the journal Diversity, diverged from the previously known southern green anaconda about 10 million years ago, differing genetically from it by 5.5 per cent.