Paroncheilus affinisis commonly referred to as Bigtooth cardinalfish. Difficulty in the aquarium: Not for beginners. A aquarium size of at least 500 Liter is recommended. Toxicity: Toxic hazard unknown.
Western Central Atlantic: southern Florida, USA and Bahamas to Venezuela; reported to reach Suriname (Ref. 13608). Eastern Central Atlantic: Gulf of Guinea. Reported from Cape Verde.
Adults prefer exposed deep reefs and rocky outcroppings (Ref. 7251). Eggs are incubated orally by both parents (Ref. 240). This is the only species in the genus Paroncheilus with mouthbrooding done by males and females.