Halav's fiddle rays

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Halav's fiddle rays
Guitarfish marsa alam.jpg

Halav's fiddle ray ( Glaucostegus halavi )

Systematics
Subclass : Plate gill (Elasmobranchii)
without rank: Stingray (batoidea)
Order : Rhinopristiformes
Family : Glaucostegidae
Genre : Glaucostegus
Type : Halav's fiddle rays
Scientific name
Glaucostegus halavi
( Forsskål , 1775)

Halav's fiddle rays ( Glaucostegus halavi , Syn . : Rhinobatos halavi ) lives in the Red Sea and in the Gulf of Oman from the surface of the water to depths of 40 meters. Occurrences east of Oman are uncertain and require confirmation. The animals immigrated to the Mediterranean through the Suez Canal ( Lesseps migration ).

features

Halav's fiddle rays are four feet long. The body is flat and longer than it is wide. The body disc, which is typical for smells and consists of the front body, head and pectoral fins, is heart-shaped. The beginning of the pelvic fins is just behind the end of the pectoral fins. The rostrum is short and pointed, the two rostral ridges have a distance that is less than the diameter of the eye. The two dorsal fins lie behind the middle of the body on the strong, shark-like tail fin stalk. They are almost the same size, the caudal fin is relatively small. Your lower lobe is reduced. Halav's violin rays are brown to beige on the top and light beige to whitish on the belly.

Way of life

Little is known about the biology of Halav's violin rays. It lives near the coast in sandy habitats and feeds on molluscs , crabs and small fish. Halav's violin ray is ovoviviparous .

literature

  • Gabriella Bianchi: Field guide to the commercial marine and brackish-water species of Pakistan. FAO , Rome, 1984
  • Hans A. Baensch / Robert A. Patzner: Mergus Sea Water Atlas Volume 7 Perciformes (perch-like) , Mergus-Verlag, Melle, 1998, ISBN 3-88244-107-0

Web links

Commons : Halav's fiddled rays  - Collection of images, videos and audio files