Gymnoxenisthmus tigrellus Gill, Bogorodsky & Mal, 2014

Family:  Xenisthmidae (Collared wrigglers)
Max. size:  1.52 cm SL (female)
Environment:  pelagic-neritic; marine; depth range 8 - 10 m
Distribution:  Western Indian Ocean: Red Sea.
Diagnosis:  Dorsal spines (total): 6-6; Dorsal soft rays (total): 13-13; Anal spines: 1-1; Anal soft rays: 12-12; Vertebrae: 26-26. This species is distinguished by the following set of characters: no head pores; no scales; D1 V; dorsal- and anal-fin rays branched and at least some pectoral-fin rays are branched; pelvic fin with a spine and five unbranched rays (Ref. 94949).
Biology:  Collected from a narrow reef flat, the sandy slope with patches of corals and a rocky wall of about 3 m with small caves and shelters, and the slope began at depths of 8-10 m. The holotype was captured on sand at the base of coral at a depth of 8 meters (Ref. 94949).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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