Two Argentine species receive the surubí name. First of them is Pseudoplatystoma coruscans, also identified like surubí popularly stained or painted, mangrullo, carapary, etc.
Siluro of great dimensions is a fish, only surpassed by the manguruyú. In opportunity of the great mortality happened in the Tarija river, It jumps, caused by spill of undone of sugar talents from Bolivia , were observed unit of 90 kgs. of weight and but of two meters in length.
The painted surubí has the one of speckled body, with spots that become longer towards the later part of flanks, where become bars. The dimensions of this species are remarkable; units of a meter were registered and means although cases of up to three are mentioned; the briefed measures average in Average Parana by the Direction of Natural Resources were: for the males, 1.30 meters in length and 43 kilos of weight, whereas in the females the length is of 1.50 m , with a weight of 50 kilos.
Of feeding based fundamentally on you row and sábalos, the surubí remains during the day in the greater courses and the Maxima depths; by the nights, however, usually it is entered by the secondary courses. Is it in the river basins of the Paraguay rivers, Parana (it does not reproduce in the average course of this one), Uruguay and of the Silver, and abroad it arrives until the rivers San Francisco and Amazon.
The fishing with different types from networks and is the species of greater importance in the activities of continental fishing of Argentina .
The other species, also well-known like atigrado, pirambucú or piracambucú surubí (P. fasciatum) is also of great size and has general aspect similar to the one of its same type, but respect to him is very little numerically. It lives in the average courses of the Parana rivers and Uruguay and by the rest of South America arrives until Venezuela and the Guayanas.