analogous
Similar in function but not structure or evolutionary origin i.e. evolved independantly.
Ichthyological terms, not general ones.
Similar in function but not structure or evolutionary origin i.e. evolved independantly.
A marking on the body in the area analogous to the humerus, or shoulder. In fishes it's normally located above the pectoral-fin and behind the opercle. There may be more than a single such spot in some species.
Used in 42 profiles
The pectoral and pelvic/ventral fins, both of which occur in pairs and are analogous to the fore and hind limbs in higher animals.
Used in 58 profiles