Sawfish
Sawfish are mostly found in relatively shallow waters, typically at depths less than , and occasionally less than . Young prefer very shallow places and are often found in water only deep. Sawfish can occur offshore, but are rare deeper than . An unidentified sawfish (either a largetooth or smalltooth sawfish) was captured off Central America at a depth in excess of .
Porthole catfish
The porthole catfish or slender catfish, "Dianema longibarbis", is a tropical freshwater fish belonging to the Callichthyinae sub-family of the Callichthyidae family. It originates in inland waters in South America, and is found in the Amazon River basin in Brazil and Peru.