HomeFish encyclopediaSharks and RaysGround sharksHoundsharksBigeye houndshark Bigeye houndshark (Iago omanensis) Scientific name: Iago omanensis Norman, 1939 The Bigeye houndshark (Iago omanensis) is a marine fish of the family Triakidae. BiologyBrown or grey dorsally, lighter below; dorsal and caudal fins may have darker tips and leading edges.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameIago omanensisFamilyTriakidae (Houndsharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length37.0Depth range110–2195 m (361–7201 ft)EnvironmentMarine; bathydemersal; depth range 110 - 2195 mClimateDeep-waterDistributionWestern Indian Ocean: Red Sea, Gulf of Aqaba and Gulf of Oman to Pakistan and southwestern India. A low-finned, somewhat short-headed Iago is largely sympatric with Iago omanensis at least off southwestern India, and in the Bay of Bengal there is possibly a dwarf, omanensis-like Iago that may or may not be distinct.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceVery Low, minimum population doubling time more than 14 years (Fec=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026