Leptaulopus erythrozonatus Gomon, Struthers & Stewart, 2013
Duckbill flagfin

Family:  Aulopidae (Aulopus)
Max. size:  27.4 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 130 - 280 m
Distribution:  Southwestern Pacific: apparently confined to the Australasian region with a trans-Tasman distribution; recorded from New Zealand (Bay of Plenty), northern New South Wales (NE coast of North I. and off Batemans Bay), and yet to be confirmed from Norfolk Ridge.
Diagnosis:  Dorsal soft rays (total): 15-16; Anal soft rays: 10-11; Vertebrae: 44-44. This species is distinguished by the following characters: D 15-16; A 10-11; vertebrae 26 or 27 + 17 or 18 = 44; lateral line scales 44 + 1, below lateral line 4.5; predorsal scales 20; gill rakers 3 + 12; elongated snout, length 11.5-12.4% SL and 34.6-36.5% HL, which is much longer than eye diameter, dorsoventrally flattened, narrowly rounded from above; narrow bony interorbital, width 3.0-3.5% SL and 8.9-10.3% HL; snout tip to dorsal fin origin 42.5-43.7% SL in distance and 128-129% HL; anal n base 92-9.8% SL and 27.0-29.1% HL; colour of posterior end of maxilla and posterior and ventral margins of preopercle stark white; translucent dorsal fin with 4-6 narrow submarginal stripes from base to outer edge of fin, stripes posteriorly angled obliquely, intervening spaces of fin rays white; caudal fin white with 4-5 red bands crossing each lobe and proximal bands continuous across fin in some (Ref. 94775).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 12 October 2018 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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