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Bigeye sand tiger
| Bigeye sand tiger | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Lamniformes |
| Family: | Odontaspididae |
| Genus: | Odontaspis |
| Species: | O. noronhai
|
| Binomial name | |
| Odontaspis noronhai (Maul, 1955)
| |
| |
| Confirmed (dark blue) and suspected (light blue) range of the bigeye sand tiger[2] | |
| Synonyms | |
|
Carcharias noronhai Maul, 1955 | |
The bigeye sand tiger (Odontaspis noronhai) is an extremely rare species of mackerel shark in the family Odontaspididae, with a possible worldwide distribution. A large, bulky species reaching at least 3.6 m (12 ft) in length, the bigeye sand tiger has a long bulbous snout, large orange eyes without nictitating membranes, and a capacious mouth with the narrow teeth prominently exposed. It can be distinguished from the similar smalltooth sand tiger (O. ferox) by its teeth, which have only one lateral cusplet on each side, and by its uniformly dark brown color.
Inhabiting continental margins and oceanic waters at depths of 60–1,000 m (200–3,280 ft), the bigeye sand tiger may make vertical and horizontal migratory movements. It feeds on bony fishes and squid, and its sizable eyes and dark coloration suggest that it may spend most of its time in the mesopelagic zone. Reproduction is probably viviparous with oophagous embryos like in other mackerel shark species. This shark is caught incidentally by commercial fisheries, though so infrequently.
- ^ Kyne, P.M.; Ebert, D.A. (2019). "Odontaspis noronhai". IUCN Red List of Threatened Species. 2019: e.T39336A2899894. doi:10.2305/IUCN.UK.2019-1.RLTS.T39336A2899894.en.
- ^ Cite error: The named reference
compagnowas invoked but never defined (see the help page).
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