Butterfly ray
| Butterfly rays | |
|---|---|
| |
| Smooth butterfly ray (G. micrura) | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Clade: | Batomorphi |
| Order: | Myliobatiformes |
| Family: | Gymnuridae Fowler, 1934 |
| Genus: | Gymnura van Hasselt, 1823 |
| Type species | |
| Gymnura micrura Bloch & Schneider, 1801
| |
| Synonyms | |
| |
The butterfly rays are the rays forming the genus Gymnura and the family Gymnuridae. They are found in warm oceans worldwide, and occasionally in estuaries.
The body of butterfly rays is flattened and surrounded by an extremely broad disc formed by the pectoral fins, which merge in front of the head. They have a very short, thread-like, tail.[1] They are up to 4 m (13 ft) in width.[2]
McEachran et al. (1996) place the butterfly rays in the subfamily Gymnurinae of the family Dasyatidae,[3] but this article follows FishBase and ITIS in treating them as a family.[4][5]
Species
There are currently 12 species in this genus (others are considered synonyms):[2][6][7]
Diet
These species commonly prey on fish, crustaceans and mollusks.
- Gymnura altavela (Linnaeus, ) – Spiny butterfly ray
- Gymnura australis (E. P. Ramsay & Ogilby, 1886) – Australian butterfly ray
- Gymnura crebripunctata (W. K. H. Peters, 1869) – Longsnout butterfly ray
- Gymnura japonica (Temminck & Schlegel, 1850) – Japanese butterfly ray
- Gymnura lessae (Yokota & Carvalho, 2017) – butterfly ray
- Gymnura marmorata (J. G. Cooper, 1864) – California butterfly ray
- Gymnura micrura (Bloch & J. G. Schneider, 1801) – Smooth butterfly ray
- Gymnura natalensis (Gilchrist & W. W. Thompson, 1911) – Backwater butterfly ray
- Gymnura poecilura (G. Shaw, 1804) – Longtail butterfly ray
- Gymnura sereti (Yokota & Carvalho, 2017) – butterfly ray
- Gymnura tentaculata (J. P. Müller & Henle, 1841) – Tentacled butterfly ray
- Gymnura zonura (Bleeker, 1852) – Zonetail butterfly ray
References
- ^ Stevens, J. & Last, P.R. (1998). Paxton, J.R. & Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. p. 69. ISBN 0-12-547665-5.
- ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Gymnura". FishBase. January 2017 version.
- ^ McEachran JD, Dunn KA, Miyake T (1996). "Interrelationships of the batoid fishes (Chondrichthyes: Batoidea)". In Stiassny ML, Parenti LR, Johnson GD (eds.). Interrelationships of Fishes. Academic Press.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Family Gymnuridae". FishBase. January 2006 version.
- ^ "Gymnuridae". Integrated Taxonomic Information System. Retrieved 27 March 2006.
- ^ Last P, White W, de Carvalho M, Séret B, Stehmann M, Naylor G, eds. (2016). "Supplementary information". The Rays of the World project - an explanation of nomenclatural decisions. CSIRO. pp. 1–10. ISBN 978-0-643109131.
- ^ Yokota L, de Carvalho MR (2017). "Taxonomic and morphological revision of butterfly rays of Gymnura micrura (Bloch & Schneider, 1801) species complex, with the description of two new species (Myliobatiformes: Gymnuridae)". Zootaxa. 4332 (1): 1–74. doi:10.11646/zootaxa.4332.1.1. PMID 29242452.
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