A- -B- -C- -D- -E- -F- -G- -H- -L- -M- -N- -O- -P- -R- -S- -T- -V- -W

diadromy

A life history strategy in which a species spawns in a different environment than they grow and mature in. Anadromy and catadromy are examples of diadromy.

dorsal

Refers to the back of an organism or top of a fish.

dorsal fin

The anterior-most fin on a fish's back.