Hexanematichthys seemanni
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Hexanematichthys seemanni

Common Names: Black Fin Catfish
Black Fin Shark Catfish
Shark Catfish
Tete Sea Catfish
Synonyms: Ariopsis seemanni
Arius seemanni
Galeichthys seemanni
Tachisurus seemanni
Family: Ariidae
Category: Catfish_Bottom_Feeders
Distribution: America - South; Coastal Peru
Main Ecosystem: Delta; Delta
Temperament: Active; They are generally a good community fish with fish their own size. Can be territorial with members of their own species. (Don't keep with fish that are much smaller since they are predaceous).

Diet: Ominvore; Ominvore
Care: Shark Catfish are omnivorous but prefer meaty foods. As juveniles, they will generally eat all kinds of live, fresh and flake foods. To keep a good balance give them a high quality flake food or pellet everyday. As they grow go to either pellets or live foods.
This fish gets rather large, so plan on only keeping juveniles unless you have a large aquarium. This is actually a brackish water fish so they would prefer hard water with salt added. As per many of the livebeares, 1-1.25 teaspoons
6.5 - 8.5
22°C - 28°C
72°F - 82°F
8 dH - 30 dH
Potential Size: Male: 35cm (13.8")
Female: 35cm (13.8")
Water Region: All; All
Activity: Diurnal; Diurnal
Gender: Not known.

Breeding: Not successful in aquariums. In the wild they are mouth-brooders with the male brooding the eggs.

Comments: The Shark catfish has a venom on the spines that causes wounds to heal slowly so be careful when handling them.

Main Colours: Silver
Markings: No Markings
Mouth: Downturned
Tail: Forked
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Image Credit: ;Gauntlet
Submitted By: gauntlet
Contributors: bettachris
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