NEMIPTERIDAE

Threadfin breams
By Koichi Shibukawa




Nemipterus zysron

Scolopsis ciliata

Scolopsis monogramma

Scolopsis taenioptera

Scolopsis vosmeri

Medium sized (up to 35 cm), moderately elongate fishes. Head compressed; eyes moderately large; jaws subequal, or upper jaw slightly beyond lower jaw; hind margin of suborbital bone exposed; branchiostegal 6. Single dorsal fin with X spines and 9 soft rays; anal fin with III spines and 7 - 8 soft rays; pectoral fin more or less falcate, with 14 - 19 soft rays (uppermost 2 rays unbranched); pelvic fin with I spine and 5 soft rays; caudal fin emarginated, lunate or forked, with filamentous tip on each or both lobes in many species. Scales ctenoid, moderate in size; cheek and operculum scaled; a pair of elongate, pointed scales at base of pelvic fin. Color: pinkish, yellowish, grayish, or brownish dorsally, turned to silvery ventrally, with various-colored vertical bands or longitudinal stripes on head and body in many species.

Similar families occurring in the area. Caesionidae: dorsal fin with X - XV spines and 8 - 22 soft rays; anal fin with III spines and 9 - 13 soft rays; no elongated, pointed scales at base of pelvic fin. Haemulidae: dorsal fin with IX - XIV spines and 11 - 26 soft rays. Lethrinidae: anal fin with III spines and 8 - 10 soft rays; no scales on preopercle in Lethrinus (scaly in other genera). Lutjanidae: no elongate and pointed scales at base of pelvic fin.

Remarks. Found in coral reefs and coastal to offshore shelf waters with sandy or muddy bottoms, down to about 300 m depth. Carnivorous, feed on small fishes, crustaceans, cephalopods, and polychaetes. Esteemed as food fish in many species; caught by trawls, handlines, traps and various kinds of nets; marketed fresh, dried and salted, or minced for fish balls or fish cakes.