Iridescent Shark (Pangasianodon hypophthalmus) Sizes:7 inches Generally reclusive during the day

Generally reclusive during the day but becomes active and bold during feeding

reflective scales that give it a subtle metallic sheen

is a tropical freshwater fish belonging to the botiid loach family

Orinoco Peacock Bass (Cichla orinocensis)

fast-growing

Iridescent Shark (Pangasianodon hypophthalmus) Sizes:7 inches Generally reclusive during the dayThe Iridescent Shark is also known as the Pangasius Catfish. There is also an albino iridescent shark. As you may have guessed from some of the other common names, this really isn't a shark, it's a catfish. They originate from Asia and this is one of the species that is completely unsuitable for most hobbyists in our opinion. This fish can grow to be almost 4 feet in length (120 cm) and sometimes larger in the wild. They are very active swimmers as