Bigeye sand tiger shark
| Bigeye sand tiger shark | ||||||||||||
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Bigeye sand tiger shark ( Odontaspis noronhai ) |
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| Odontaspis noronhai | ||||||||||||
| ( Maul , 1955) |
The bigeye sand tiger shark ( Odontaspis noronhai ) is an insufficiently known shark from the order of the mackerel shark-like (Lamniformes) and the family of sand sharks (Odontaspididae). The shark lives pelagically at depths between 600 and 1000 meters above continental slopes and shelf areas . So far it has been caught in the western Atlantic near Brazil , in the eastern Atlantic near Madeira and in the central Pacific near Hawaii . A possible occurrence in the Seychelles is uncertain.
features
Male bigeye sand tiger sharks reach a maximum length of 3.60 meters, female 3.26 meters. The average height is likely to be 2.5 to 3.0 meters. The body color is uniformly brown, the outer edges of the fins , with the exception of the pectoral fins , are dark. The snout is conical and long, the tip rounded, the mouth, which is set with medium-sized, three-pointed teeth, extends to behind the eyes. The eyes are strikingly large. You don't have a nictitating skin The first dorsal fin begins above the end of the pectoral fins, the second dorsal fin is opposite the pectoral fins . The caudal fin stalk is notched on the upper side just before the beginning of the caudal fin .
Way of life
Because the species lives in deep water, its way of life and diet are largely unknown. It is likely to multiply ovoviviparously .
literature
- Leonard JV Compagno : Sharks of the world An annotated and illustrated catalog of shark species known to date Part 1 - Hexanchiformes to Lamniformes . FAO SPECIES CATALOG Full PDF Odontaspis noronhai
Web links
- www.hai.ch Big-eyed sand tiger ( Odontaspis noronhai )
- Bigeye sand tiger shark on Fishbase.org (English)
- Odontaspis noronhai in the endangered Red List species the IUCN 2006. Posted by: Amorim, AF, Arfelli, CA & Fagundes, L., 2000. Accessed August 22 of 2006.