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Ophichthus semilunatus Hibino & Chiu, 2019 Half-moon blotch snake eel |
| Family: | Ophichthidae (Snake eels), subfamily: Ophichthinae | |||
| Max. size: | 50 cm TL (female) | |||
| Environment: | demersal; marine | |||
| Distribution: | Northwest Pacific: Taiwan. | |||
| Diagnosis: | Vertebrae: 176-176. This species is distinguished by the following set of characters: head 9.4% TL; tail 57.5% TL; snout is not acute, 19.0% HL; eye large, 93.3% of snout length and 17.7% HL; dorsal-fin origin is well behind pectoral-fin tip by about three pectoral-fin lengths; teeth on maxilla triserial; SO 1+3; POM 6 or 7+2; predorsal vertebrae 29, preanal vertebrae 64, total vertebrae 176; anterior margin of anus with a half-moon shaped dark marking (Ref. 121619). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||