ventral keel
Fleshy, longitudinal ridge running along the abdomen and caudal peduncle in some fishes.
Used in 13 profiles
Ichthyological terms, not general ones.
Fleshy, longitudinal ridge running along the abdomen and caudal peduncle in some fishes.
Used in 13 profiles
Ridgelike structure located on the ventral surface, caudal peduncle or caudal fin base in certain fishes.
Used in 35 profiles