Nemipterus bathybius Snyder, 1911
Yellowbelly threadfin bream
Nemipterus bathybius
photo by CSIRO

Family:  Nemipteridae (Threadfin breams, Whiptail breams)
Max. size:  24 cm SL (male/unsexed); max. reported age: 10 years
Environment:  demersal; marine; depth range 35 - 300 m
Distribution:  Western Pacific: southern Japan to Indonesia and northwestern Australia.
Diagnosis:  Dorsal spines (total): 10-10; Dorsal soft rays (total): 9-9; Anal spines: 3-3; Anal soft rays: 7-7. Suborbital spine absent. Preopercle with 3 transverse scale rows. Pectoral fins long, reaching almost to level of origin of anal fin. Pelvic fins moderately long, reaching beyond anus. A line drawn upwards from the posterior edge of suborbital reaching the dorsal profile in front of origin of dorsal fin. Upper lobe of caudal fin falcate and yellow, usually ribbon-like in adults. Axillary scale present. Color: Upper body pinkish, silvery below.
Biology:  Found on sand or mud bottoms. Abundant in depths between 45 and 90 m, but larger fish generally occur in depths greater than 110 m. Larger fish feed mainly on crustaceans, fish and cephalopods. Young fish (< 12 cm) eat copepods, ostracods and amphipods.
IUCN Red List Status: Least Concern (LC); Date assessed: 14 July 2020 Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.