Polysteganus flavodorsalis Iwatsuki & Heemstra, 2016
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Family:  Sparidae (Porgies)
Max. size:  26.5 cm SL (male/unsexed)
Environment:  reef-associated; depth range 214 - 305 m
Distribution:  Western Indian Ocean: Cargados Carajos and Mascarene Plateau, Nazareth Bank.
Diagnosis:  Dorsal spines (total): 12-12; Dorsal soft rays (total): 10-10; Anal spines: 3-3; Anal soft rays: 8-8. This species is distinguished from its congeners by the following set of characters: scale rows above lateral line 6.5 and between 5th dorsal-fin spine base and lateral line 5½; pored lateral line scales 52- 53; suborbital depth obviously less than the orbit diameter (OD), 72-75% (mean 74%) of OD; dorsal-fin rays are reddish pink with bright yellow margin, anal-fin rays pinkish; no obvious lines of blue spots on body, but usually a blue iridescence in each body scale around dorsal and lateral sides of body from some angles; yellow and red membranes only on upper and lower caudal-fin lobes, respectively (these 2 colors are strongly contrasted; somewhat deeper body, 39-43 (mean 41%) of SL; without bony bulge before and above eye; its caudal fin moderately forked (Ref. 106993).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (119314)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 24.10.16

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