Round stingray

Round stingray
Urolophus cruciatus
Systematics
Class : Cartilaginous fish (Chondrichthyes) Subclass : Euselachii Subclass : Plate gill (Elasmobranchii) without rank: Stingray (batoidea) Order : Myliobatiformes Family : Round stingray
Scientific name
Urolophidae
Müller & Henle , 1841

The round stingrays (Urolophidae) are widespread in warm areas in the Atlantic and Indo-Pacific .

features

The rather small rays are 11 to 80 centimeters long. They have a small caudal fin that carries a serrated stinger. Some Australian species of the genus Trygonoptera also have a dorsal fin. Your body disc is about 1.3 times wider than it is long. Round stingrays are viviparous.

Systematics

Trygonoptera imitata

Urolophus gigas

Urolophus kapalensis

There are three genera with 24 species:

• Genus Spinilophus Yearsley & Last, 2016
  • Spinilophus armatus (Müller & Henle, 1841) .
• Genus Trygonoptera
  • Trygonoptera galba Last & Yearsley, 2008
  • Trygonoptera imitata Yearsley, Last & Gomon, 2008
  • Trygonoptera mucosa (Whitley, 1939) .
  • Trygonoptera ovalis Last & Gomon, 1987 .
  • Trygonoptera personata Last & Gomon, 1987 .
  • Trygonoptera testacea Müller & Henle , 1841 .
• Genus Urolophus
  • Urolophus aurantiacus Müller & Henle, 1841 .
  • Urolophus bucculentus Macleay, 1884 .
  • Urolophus circularis McKay, 1966 .
  • Urolophus cruciatus ( Lacépède , 1804) .
  • Urolophus deforgesi Séret & Last, 2003 .
  • Urolophus expansus McCulloch, 1916 .
  • Urolophus flavomosaicus Last & Gomon, 1987 .
  • Urolophus gigas Scott, 1954 .
  • Urolophus javanicus (Martens, 1864) .
  • Urolophus kaianus Günther , 1880 .
  • Urolophus lobatus McKay, 1966 .
  • Urolophus mitosis Last & Gomon, 1987 .
  • Urolophus neocaledoniensis Séret & Last, 2003 .
  • Urolophus orarius Last & Gomon, 1987 .
  • Urolophus papilio Séret & Last, 2003 .
  • Urolophus paucimaculatus Dixon, 1969 .
  • Urolophus piperatus Séret & Last, 2003 .
  • Urolophus sufflavus Whitley, 1929 .
  • Urolophus viridis McCulloch, 1916 .
  • Urolophus westraliensis Last & Gomon, 1987 .

literature

• Joseph S. Nelson, Fishes of the World , John Wiley & Sons, 2006, ISBN 0-471-25031-7

Individual evidence

1. ↑ Yearsley, GK & Last, PR (2016): A new genus of stingares (Myliobatiformis: Urolophidae) with comments on other urolophid genera and an annotated checklist of species. Pages 35 to 40 in Last, PR & Yearsley, GK (Ed.) (2016): Rays of the World: Supplementary information. CSIRO Australian National Fish Collection.

Web links

Commons : Round Stingray  - Collection of images, videos and audio files

• Round stingrays on Fishbase.org (English)
• Urolophidae at animaldiversity.org. (en.)