Long Rayed Sand Diver

Identified by the long filaments on the dorsal fin of the male (Ref. 48636). Body scaleless above and below lateral line on anterior half (Ref 12934).

Dorsal spines (total): 3; Dorsal soft rays (total): 43 - 45; Analspines: 1; Analsoft rays: 39 - 42

Inhabits sandy expanses of clear lagoon and seaward reefs.

Found in coastal reef slopes and deep outer reef lagoons in current channels. Usually in large groups with several large males (Ref. 48636). Inhabits sand-rubble bottoms (Ref. 90102). Found hovering above sandy slopes. Usually forms a harem of one male-phase fish and about a dozen female-phase fish (Ref. 37240). Normally buried when no current is running (Ref. 48636).