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It lives in a variety of water types, from anoxic conditions (slack water zones surrounded by dense vegetation) to slightly turbid, but free-flowing, streams. [1] It can be found in waters with pH range of 5.8 to 8.3, a water hardness of 0–30dGH, and a temperature range of 64–83 °F (18–28 °C). [1]
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 .
Callichthyids are fairly small catfish, and range in size from some tiny Corydoras species that do not exceed 2 cm (0.79 in) to Hoplosternum littorale, which some sources list as growing to a length of up to 24 cm (9.4 in) TL. [3] [14] The mouth is small and ventral with one or two pairs of well-developed barbels. [4]
Catfish are found in a variety of habitats, from lakes or murky ponds to drainage ditches. They are scarce during the day, but come out at night to feed, searching the bottom of a lake or river for food. [13] They eat insects, leeches, snails, fish, clams, and many plants. They are also known to eat corn, which can be used as bait.
Pterygoplichthys has undergone much shifting in the past decades. Previously Liposarcus, Glyptoperichthys and Pterygoplichthys had been named as separate genera. [2] [3] Since then, these genera were recognized as synonyms of Pterygoplichthys by Armbruster, as the few differences between the genera were not deemed great enough to validate Glyptoperichthys and Liposarcus, and that recognizing ...
The North American catfish has acquired an association with American Southern folklore which exceeds its place as a mere food fish. The image of cane-pole fishing for catfish at a proverbial lazy stream has become a stand-by of southern Americana. In some areas, the bullhead is seen as a desirable quarry, for its fighting qualities exceed its size.
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