Species Profile

Colombian Shark Catfish

Ariopsis seemanni

Also known as: Colombian Shark, Black Fin Shark Catfish, Tete Sea Catfish

Catfishpeaceful

Adult size

14″

Minimum tank

100 gal

Temperature

72–79°F

7.5–8.5

Schooling

Group of 4+

Water level

All levels

Grows from juvenile

Typically sold at ~3″ and reaches 14″ over ~2 years. Plan tank size for the adult, not the fish at purchase.

Diet

Sinking pellets, frozen krill, mysis, earthworms

Notes

Active silvery catfish with prominent shark-like dorsal and forked tail. Juveniles tolerate freshwater; adults need full marine salinity. Schooler — keep 4+ or they pace and stress. Venomous dorsal/pectoral spines, handle with care.

Build a tank →Photo credits

Photo: Xocolatl (talk) 18:01, 20 July 2013 (UTC) / Wikimedia Commons · Source · CC-BY-SA-3.0