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Eusurculus andamanensis Schwarzhans & Møller, 2007 Andaman viviparous brotula |
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photo by
W. Schwarzhans & P. R. Møller |
| Family: | Dinematichthyidae (Viviparous brotula) | |||
| Max. size: | 4.4 cm SL (male/unsexed) | |||
| Environment: | demersal; marine | |||
| Distribution: | Eastern Indian Ocean, Andaman Islands and the south coast of Sumatra. | |||
| Diagnosis: | Dorsal soft rays (total): 78-84; Anal soft rays: 59-63; Vertebrae: 42-43. This species possess the following characters: D 78-84, A 59-63, D/A 21-27, V in D 2.2-2.3; vertebrae 12+30-31=42-43; the anterior nostril is positioned 1/4.5 to 1/5 the distance from upper lip to aggregate distance to anterior margin of eye; free pseudoclaspers 2 pairs, the outer pseudoclasper wing-shaped with broad base and distally widened supporter with anterior hook (covered by ligament), the inner one stalked, with slightly widened base and distally with concave sucker-disk; 5-6 rows of scales on upper part and 3-4 rows on lower part on cheek (Ref. 76869). Description: Characterized by depth of body at anal fin origin 12.8-14.9 (mean 14.2) % SL; presence of upper preopercular pore; posterior cheek with vertically elongate scale patch; no opercular scales (Ref. 90102). | |||
| Biology: | ||||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 15 August 2019 Ref. (130435) | |||
| Threat to humans: | ||||