Apogonidae

Blackvent cardinalfish

Ostorhinchus melanoproctus

Dark mark near the vent

• Black
• Tropical
• Regional distribution
• Marine fish
• Pacific Ocean
• Oceania
• Southeast Asia
• Elongated
• Small
• Tropical fish

Blackvent cardinalfish is known around Indo-West Pacific as a marine fish; It occurs in marine waters, and the largest recorded length is 4 cm.