|All Fishes Data Sheet|
|Scientific Name||Auchenipterus nigripinnis (Boulenger, 1895)|
|Common Name||Paraguay Shark-cat|
|Synonym(s)||Auchenipterus paysanduanus, Euanemus nigripinnis|
|Pronunciation||awk en NIP terr uss|
|Etymology||Auchenipterus: From the Greek, auchenos, meaning neck and pteron, meaning fin; in reference to the long cranial shield, which gives the appearance that the dorsal fin originates at the neck region.|
|Size||202mm or 8" SL. Find near, nearer or same sized spp.|
|Identification||Looks very much like a juvenile Pangasianodon hypophthalmus to the untrained eye. More barbels and the tail pattern should give it away.|
|Sexing||Males have a genital papilla, thickened maxillary barbels and an enlarged dorsal spine. Sexually mature at 80 mm SL.|
|General Remarks||Active during the day, which makes this a very visible auchenipterid.|
|Distribution||South America: La Plata River basin to Argentina.
La Plata (click on these areas to find other species found there)
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|IUCN Red List Category||Not Evaluated|
|Temperature||10.0-28.0°C or 50-82.4°F (Show species within this range)|
|Other Parameters||Can be found in waters with a temperature as low as 10°C so if kept at more normal tropical temperatures heavy aeration is advised.|
|Feeding||Feeds happily on all kinds of food.|
|Furniture||This species does hardly hide. It usually rests on the sand or in plants; certainly not in driftwood. Free swimming space is much more important.|
|Suggested Tankmates||Very skittish. Avoid fishes that are (too) curious, territorial and/or may nip or even bite.|
|Breeding Reports||There is no breeding report.|
|Reference||Proceedings of the Zoological Society of London 1895 (pt 3), pp 524.|
|Registered Keepers||Keeping this species? Why not .
There is no registered keeper.
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There is no wish to keep this species.
|Spotters||Spotted this species somewhere? Click the binoculars!
There are 3 records of this fish being seen, view them all.
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|Look up Auchenipterus nigripinnis on Encyclopedia of Life|
|Look up Auchenipterus nigripinnis on Global Biodiversity Information Facility|
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|Last Update||2019 Oct 13 03:29 (species record created: 2008 Apr 25 07:24)|