The taxonomy of New Zealand skates (Suborder Rajoidea), with descriptions of three new species
| Autor: | L. J. Paul, J. A. F. Garrick |
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| Rok vydání: | 1974 |
| Předmět: | |
| Zdroj: | Journal of the Royal Society of New Zealand. 4:345-377 |
| ISSN: | 1175-8899 0303-6758 |
| DOI: | 10.1080/03036758.1974.10419402 |
| Popis: | Two species of Raja are known to occur in New Zealand waters. The common “rough” skate, usually referred to R. australis Macleay, 1884, or sometimes to R. lemprieri Richardson, 1846, is shown to be R. nasuta Banks in Muller and Henle, 1841. The “smooth” skate, usually referred to R. nasuta, has not in fact been named, and is now described as R. innominata n.sp. The rough skate, R. nasuta, is brownish above, usually marked with numerous small white spots and dark spots or blotches and a pair of dark ocelli; below it is predominantly white; dorsally it has prickles on most of the disc (females) or in a middorsal-trunk band (males) at all ages; ventrally the abdominal region lacks prickles except for a few in large females; the tail in medium to large specimens is relatively wide, usually with three rows of spines, and there are 56–57 predorsal-caudal vertebrae. The smooth skate, R. innominata, is greyish above, usually marked with several large dark spots; below it is predominantly grey; in subadul... |
| Databáze: | OpenAIRE |
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