Iago omanensis (Norman, 1939)
Bigeye houndshark
Iago omanensis
photo by FAO

Family:  Triakidae (Houndsharks), subfamily: Galeorhininae
Max. size:  37 cm TL (male/unsexed); 58 cm TL (female)
Environment:  bathydemersal; marine; depth range 110 - 2195 m
Distribution:  Western Indian Ocean: Red Sea, Gulf of Aqaba (Ref. 9942) 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.
Diagnosis:  Brown or grey dorsally, lighter below; dorsal and caudal fins may have darker tips and leading edges (Ref. 5485).
Biology:  Found on the continental shelf and slope. Water temperature: 16-25°C. Oxygen level: 0.2-2.4 ppm. Feeds on bony fishes (mostly lanternfishes) and cephalopods. Sexual dimorphism by size exists. Viviparous (with a yolk-sac placenta), with probably 2 to 10 young in a litter. Utilized fresh for human consumption.
IUCN Red List Status: Least Concern (LC); Date assessed: 20 May 2020 Ref. (130435)
Threat to humans:  harmless


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