The jackknifefish (Equetus lanceolatus) is a small fish, typically between 6 and 9Â inches, that can occasionally be found on coral reefs in the middle western Atlantic Ocean, in the Caribbean, the Gulf of Mexico, Florida and the Bahamas.
Habitat
When jackknifefish are young and small, they generally lives in rocks and coral hidden from predators. Generally they inhabit reef areas.
Diet
Jackknifefish are carnivorous fish that feed on crabs, shrimp and other small invertebrates.
Behavior
This species of fish can live with other types of small fish, as it is not aggressive. Like other fishes of its family, it can produce "croaking" or "drumming" sounds.
Coloration
Jackknifefish are typically black and white or dark brown and white.