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Pimelodus blochii Valenciennes, 1840

Image contributors to this species:

Kreg D. Ellzey (1) D. A. Williams/A.S.Bailey (1) Frants Lehmann (1 Stamp) clunk (4) Allan James (3) Rich Schmitt (2)

ScotCat Sources:

Etymology = Genus Etymology = Species

Other Sources:

Fishbase  Search Google  All Catfish Species Inventory

Relevant Information:

Gregarious. Appears to be active either at night or during the day. Seeks shelter under dead wood and are capable of intestinal breathing. Commonly occurs in the lower reaches of large rivers. Known to feed on fruits, thus helping to scatter several plant seeds. Also feeds on small fishes and insects and often manifests the behavior of a detritivore. Probably migrate upstream during reproduction. The female lays an average of 50,000 eggs which are fertilized externally. Similar looking to P. albofasciatus but this species has a thicker white stripe to the body and a black line on either side of this. Aquarium Care: Pimelodus blochii can of course be predatory along with most of the members of this family, so they must be kept with species larger or compatible with it such as barbs, gouramis, cichlids and other South American catfish. Diet: Mostly live foods such as earthworms, whiteworms and frozen foods such as bloodworm and tubifex. Will also accept catfish pellets and tablet food.

Common Name:

Bloch's catfish, 4-lined pictus


Pimelodus blochi, Pseudorhamdia macronema, Pseudorhamdia piscatrix 




South America: Gulf of Paria, Amazon, Corantijns, Essequibo, and Orinoco basins


32cm. (12¾ins)


20-26°C (67-79°F)




Froese, R. and D. Pauly. Editors. 2009.FishBase.World Wide Web electronic publication. www.fishbase.org, version (04/2009).



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