Acanthopagrus morrisonae Iwatsuki, 2013
Western yellowfin seabream
photo by Australian Museum

Family:  Sparidae (Porgies)
Max. size:  45 cm TL (male/unsexed); max.weight: 2,000.0 g
Environment:  pelagic-neritic; marine
Distribution:  Eastern Indian Ocean: north-western Australia.
Diagnosis:  Dorsal spines (total): 11-11; Dorsal soft rays (total): 10-12; Anal spines: 3-3; Anal soft rays: 8-8. This species is distinguished from its congeners by the following set of characters: moderately deep body, 2.0-2.4 (mean 2ยท2) times in SL: D XI,11 (rarely XI,10); first soft dorsal-fin ray slightly longer than last dorsal-fin spine; scale rows between fifth dorsal-fin spine base and lateral line 3.5 ; scale rows above lateral line 4.5, scale rows below 11.5; short second anal-fin spine, ordinary [16.7-.20.7% (mean 18.4%) of SL], 1.1-1.3 (mean 1.2) in 2AS/3AS; pored lateral-line scales 42-45 (mode 44); pelvic, anal and caudal fins entirely vivid yellow, caudal fin with a wide black posterior margin; absence of black streaks proximally near anal-fin base on inter-radial membranes between yellow anal-fin rays; black blotches on inter-radial membranes between dorsal-fin rays absent; weak diffuse dark blotch at origin of lateral line (usually covering first pored lateral line scale) continuing as relatively black pigment over upper rear part of opercle (Ref. 93743).
Biology:  Occurs in shallow coastal waters and enters river mouths and estuaries. Schooling species; often feeds on tidal flats. A popular angling species, often caught with hook and line and sometimes taken by trawlers (Ref. 44894).
IUCN Red List Status: Least Concern (LC); Date assessed: 17 March 2014 Ref. (130435)
Threat to humans:  harmless


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