Nemipterus isacanthus (Bleeker, 1873) Teardrop threadfin bream |
photo by
CSIRO |
Family: | Nemipteridae (Threadfin breams, Whiptail breams) | |||
Max. size: | 21 cm SL (male/unsexed) | |||
Environment: | demersal; marine; depth range 50 - 200 m, non-migratory | |||
Distribution: | Western Pacific: including the Philippines, Gulf of Thailand, Strait of Malacca, Indonesia and northern Australia. Nemipterus bleekeri has been misapplied to this species by some authors. | |||
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 to beyond level of anus. Pelvic fins moderately long, reaching to between just short of and just beyond level of anus. A line drawn up from posterior edge of suborbital reaching the dorsal profile at about 2 to 7 scale rows before origin of dorsal fin. Upper lobe of caudal fin falcate, tipped with bright yellow. Axillary scale present. Color: Upper body pinkish mauve, silvery white below. Yellow teardrop-shaped bar beneath eye, extending obliquely halfway to suborbital. | |||
Biology: | Occurs on mud or sand bottoms in depths greater than 50 m. There is no major fishery for this species (Ref. 3810, 125700). | |||
IUCN Red List Status: | Least Concern (LC); Date assessed: 16 July 2020 Ref. (130435) | |||
Threat to humans: | harmless |