HomeFish encyclopediaRay-finned fishesEels and MoraysMoray eelsFew-vertebrae moray Few-vertebrae moray (Uropterygius oligospondylus) Scientific name: Uropterygius oligospondylus Chen, Randall & Loh, 2008 The Few-vertebrae moray (Uropterygius oligospondylus) is a marine fish of the family Muraenidae. Native range: Western Pacific, Taiwan, Solomon Is., and Vanuatu. BiologyVertebrae: 100 - 103. This species is distinguished by having the following characters: body color grey, blackish reticular pattern; higher body depth; fewer vertebrae (100-103); teeth on jaw 3 rows, denser dentition, longer teeth; anus close to mid-body point; head length 6.4-7.3 in TL; trunk length 2.7-2.8 in TL; depth at gill opening 12.0-15.5 in TL; eye diameter 21.4-23.3 in HL; snout length 4.9-6.2 in HL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameUropterygius oligospondylusFamilyMuraenidae (Moray eels)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length53.5Depth range0–15 m (0–49 ft)EnvironmentMarine; benthopelagic; depth range 0 - 15 mClimateSubtropicalDistributionWestern Pacific, Taiwan, Solomon Is., and Vanuatu.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026