Hemitrygon bennettii
| Hemitrygon bennettii | ||||||||||||
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Hemitrygon bennettii |
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| Scientific name | ||||||||||||
| Hemitrygon bennettii | ||||||||||||
| ( Müller & Henle , 1841) |
Hemitrygon bennettii is a species of stingray and lives in the Indo-Pacific between India and Japan . Individual sightings are also reported from Vanuatu and New Caledonia .
features
Hemitrygon bennettii reaches a total length of a maximum of 1.30 meters. It has a diamond-shaped pectoral fin disc of roughly the same length and width, which can reach 50 cm. The front hems of the disc are straight and end in a triangular snout, the rear hems are rounded towards the tail. The tail is whip-like, up to three times as long as the disc, and has a stinger. The upper side is yellow-brown and becomes darker in the area of the tail, the underside is light.
Way of life
The ray lives close to the coast on the sea floor, sometimes also in the freshwater of rivers near the mouth. It hunts smaller fish and is ovoviviparous . Very little is generally known about his way of life.
Systematics
The ray species was described in 1841 by the German scientists Johannes Müller and Jakob Henle under the scientific name Trygon bennettii , later assigned to the genus Dasyatis . When the Dasyatidae was revised in mid-2016 , the species was placed in the genus Hemitrygon .
Individual evidence
- ↑ Last, PR, Naylor, GJP & Manjaji-Matsumoto, BM (2016): A revised classification of the family Dasyatidae (Chondrichthyes: Myliobatiformes) based on new morphological and molecular insights. Zootaxa , 4139 (3): 345-368. doi: 10.11646 / zootaxa.4139.3.2
Web links
- Hemitrygon bennettii on Fishbase.org (English)
- Dasyatis bennettii on the IUCN Red List