Pseudanthias unimarginatus Randall, 2011
photo by Randall, J.E.

Family:  Serranidae (Sea basses: groupers and fairy basslets), subfamily: Anthiinae
Max. size:  5.26 cm SL (male/unsexed)
Environment:  reef-associated
Distribution:  Western Indian Ocean: Mauritius.
Diagnosis:  Dorsal spines (total): 10-10; Dorsal soft rays (total): 16-16; Anal spines: 3-3; Anal soft rays: 7-7; Vertebrae: 26-26. This species is distinguished by the following characters: D X,16; A III,7; pectoral-fin rays 18; lateral-line scales 43; gill rakers 9 + 25; body depth 3.05 in SL; head length 3.1 in SL; anterior end of upper lip thickened; papillae ventroposteriorly on edge of orbit; no serrae on edge of subopercle nor on interopercle; snout length 3.9 in HL; bony interorbital width 4.0 in HL; 4th-10th dorsal spines subequal, 2.8 in HL; caudal fin lunate, 2.3 in SL; body color orange-yellow, shading to pale lavender-yellow ventrally, head yellow, paler ventrally, a large elliptical orange area, bordered by magenta, dorsally on head from snout to nape, anterior end of upper lip pale lavender-pink, caudal fin yellow with a broad pale blue upper margin and red submarginal band that narrows posteriorly, remaining fins translucent yellow, the dorsal fin with a pink margin, and the anal and pelvic fins with a narrow blue margin (Ref. 86964).
Biology:  Only specimen collected with anaesthetic from a patch reef at 53 m where Chaetodon mitratus and Pseudanthias pulcherrimus are often collected. It quickly takes refuge in a crack in the reef when threatened (Ref. 86964).
IUCN Red List Status: Data deficient (DD); Date assessed: 19 July 2017 Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Capuli, Estelita Emily - 01.06.11

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