Fin's Fish Guide
The Blackvent cardinalfish (Ostorhinchus melanoproctus) is a saltwater fish of the family Apogonidae that grows up to 4 cm.
Description
The Blackvent cardinalfish is a cardinalfish (Apogonidae) from shallow reef water of the Indo-West Pacific. The species grows to about 8 cm and has a stocky, silvery with a dark belly mark body with large eyes and two dorsal fins. As a nocturnal fish it shelters by day among coral and in crevices and hunts small zooplankton and small crustaceans by night. The male broods the eggs in his mouth. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Blackvent cardinalfish?
The Blackvent cardinalfish has an elongate, eel-like body and is mainly silver-grey.
Where does the Blackvent cardinalfish live?
The Blackvent cardinalfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Solomon Is., Indonesia, Palau, Papua New Guinea, Philippines
How big does the Blackvent cardinalfish get?
The Blackvent cardinalfish grows to a maximum of about 4 cm.
Is the Blackvent cardinalfish dangerous to humans?
No, the Blackvent cardinalfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Want the complete picture on the Blackvent cardinalfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Blackvent cardinalfish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Ostorhinchus
More from the family Apogonidae
Want the complete picture on the Blackvent cardinalfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Blackvent cardinalfish is one of 12,519 species in the app.