Hyporthodus perplexus (Randall, Hoese & Last, 1991)
Puzzling grouper
Hyporthodus perplexus
photo by FAO

 Family:  Serranidae (Sea basses: groupers and fairy basslets), subfamily: Epinephelinae
 Max. size:  46.5 cm SL (male/unsexed)
 Environment:  demersal; depth range 129 - 137 m
 Distribution:  Northwest Pacific: known only from the holotype taken from Cape Moreton, Queensland, Australia.
 Diagnosis:  Dorsal spines (total): 11-11; Dorsal soft rays (total): 13-13; Anal spines: 3-3; Anal soft rays: 8-8. Distinguished by the following characteristics: depth of body contained 2.9 times in SL; head length 2.3-2.4 times in SL; snout length 3.8 times, eye diameter 6.0 times, interorbital width 6.8 times and suborbital depth 9.5 times in HL; slightly convex interorbital area; finely serrate preopercle, angle produced into a bulge bearing 7 moderately enlarged serrae; straight or nearly straight upper edge of operculum; ovate posterior nostrils, about twice the size of anterior nostrils; 2 rows of teeth on midlateral part of lower jaw (Ref. 89707).
 Biology:  Known from the holotype collected from F.I.V. 'Endeavour'. The absence of additional specimens may indicate an unusually deep habitat for this species.
 IUCN Red List Status: Data deficient  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Capuli, Estelita Emily - 12.02.93
 Modified by: Bailly, Nicolas - 12.08.10
 Checked by: Capuli, Estelita Emily - 14.04.94

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