Published March 17, 2021 | Version v1

Rajella dissimilis

Description

Rajella dissimilis (Hulley, 1970)

Ghost Skate

Raja dissimilis Hulley, 1970: 199, figs. 15, pl. 10 (figs. a–b). Holotype: ZMH 25258 [ex ISH 46-1967 a]. Type locality: West of Cape Town, South Africa, 33°47'S, 17°14'E, southeastern Atlantic.

Local synonymy: Raja dissimilis: Hulley, 1970: 199, figs. 15, pl. 10; Hulley, 1972a: 86, figs. 58–59; Hulley, 1986: 121, fig. 25.10; Stehmann, 1995: 79. Raja (Rajella) dissimilis: Compagno et al., 1989: 98, pl.; Compagno et al., 1991: 104; Ebert et al., 1991: 77. Rajella dissimilis: Compagno, 1999: 116; Compagno & Ebert, 2007: 135, fig. 5b; Ebert & Compagno, 2007: 121; Ebert et al., 2008: 95; Ebert, 2014: 75, fig. 120; Ebert, 2015: 185, fig. 211; Weigmann et al., 2014a: 384; Ebert & van Hees, 2015: 147; Last et al., 2016f: 19; Last et al., 2016g: 339, fig. 19.130; McEachran & Séret, 2016: 1402; Weigmann, 2016: 958.

South Africa voucher material: Holotype: ZMH 25258. Non-types: SAIAB 27140, SAIAB 27141, SAIAB 27142, SAIAB 53231.

South African distribution: The Orange River (NC) to St Francis Bay (EC).

Remarks: A little known, deep-sea skate that is often misidentified with other similar “grey” skates, but its distribution is now known to include northwest Africa.

Conservation status: LC (2004).

Notes

Published as part of Ebert, David A., Wintner, Sabine P. & Kyne, Peter M., 2021, An annotated checklist of the chondrichthyans of South Africa, pp. 1-127 in Zootaxa 4947 (1) on pages 85-86, DOI: 10.11646/zootaxa.4947.1.1, http://zenodo.org/record/4614567

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Linked records

Additional details

Biodiversity

Collection code
ZMH
Material sample ID
ISH 46-1967 , SAIAB 27140, SAIAB 27141, SAIAB 27142, SAIAB 53231
Scientific name authorship
Hulley
Kingdom
Animalia
Phylum
Chordata
Order
Rajiformes
Family
Rajidae
Genus
Rajella
Species
dissimilis
Taxon rank
species
Type status
holotype
Taxonomic concept label
Rajella dissimilis (Hulley, 1970) sec. Ebert, Wintner & Kyne, 2021

References

  • Hulley, P. A. (1970) An investigation of the Rajidae of the west and south coasts of southern Africa. Annals of the South African Museum, 55, 151 - 220.
  • Hulley, P. A. (1972 a) The origin, interrelationships and distribution of southern African Rajidae (Chondrichthyes, Batoidei). Annals of the South African Museum, 60, 1 - 103. https: // doi. org / 10.2307 / 1442499
  • Hulley, P. A. (1986) Family Rajidae, Anacanthobatidae. In: Smith, M. M. & Heemstra, P. C. (Eds.), Smith's Sea Fishes. Macmillan, Johannesburg, pp. 115 - 128.
  • Stehmann, M. (1995) First and new records of skates (Chondrichthyes, Rajiformes, Rajidae) from the West African continental slope (Morocco to South Africa), with descriptions of two new species. Archiv f ̡ r Fischereiwissenschaft, 43 (1), 1 - 119.
  • Compagno, L. J. V., Ebert, D. A. & Smale, M. J. (1989) Guide to the Sharks and Rays of Southern Africa. Struik Publishers, Cape Town, 158 pp.
  • Compagno, L. J. V., Ebert, D. A. & Cowley, P. D. (1991) Distribution of offshore demersal cartilaginous fishes (class Chondrichthyes) of the west coast of southern Africa, with notes on their systematics. South African Journal of Marine Science, 11, 43 - 139. https: // doi. org / 10.2989 / 025776191784287664
  • Ebert, D. A., Cowley, P. D. & Compagno, L. J. V. (1991) A preliminary investigation of the feeding ecology of skates (Batoidea: Rajidae) off the west coast of southern Africa. South African Journal of Marine Science, 10, 71 - 81. https: // doi. org / 10.2989 / 02577619109504621
  • Compagno, L. J. V. (1999) An overview of chondrichthyan systematics and biodiversity in southern Africa. Transactions of the Royal Society of South Africa, 54, 75 - 120. https: // doi. org / 10.1080 / 00359199909520406
  • Compagno, L. J. V. & Ebert, D. A. (2007) Southern African skate biodiversity and distribution. Environmental Biology of Fishes, 80, 125 - 145. https: // doi. org / 10.1007 / s 10641 - 007 - 9243 - 4
  • Ebert, D. A., Compagno, L. J. V. & Cowley, P. D. (2008) Aspects on the reproductive biology of skates (Chondrichthyes: Rajiformes: Rajoidei) from southern African waters. ICES Journal of Marine Science, 65, 81 - 102. https: // doi. org / 10.1093 / icesjms / fsm 169
  • Ebert D. A. (2014) Deep-sea cartilaginous fishes of the Indian Ocean. Vol. 2. Batoids and chimaeras. FAO Species Catalogue for Fishery Purposes No. 8. Vol. 2. FAO, Rome, 129 pp.
  • Ebert, D. A. (2015) Deep-sea cartilaginous fishes of the Southeastern Atlantic Ocean. FAO Species Catalogue for Fishery Purposes No. 9. FAO, Rome, 251 pp.
  • Weigmann, S., Stehmann, M. F. W. & Thiel, R. (2014 a) Rajella paucispinosa n. sp., a new deep-water skate (Elasmobranchii, Rajidae) from the western Indian Ocean off South Mozambique, and a revised generic diagnosis. Zootaxa, 3847 (3), 359 - 387. https: // doi. org / 10.11646 / zootaxa. 3847.3.3
  • Ebert, D. A. & van Hees, K. E. (2015) Beyond jaws: rediscovering the " Lost Sharks " of southern Africa. African Journal of Marine Science, 37, 141 - 156. https: // doi. org / 10.2989 / 1814232 X. 2015.1048730
  • Last, P. R., Weigmann, S. & Yang, L. (2016 f) Changes to the nomenclature of the skates (Chondrichthyes: Rajiformes). In: Last, P. R. & Yearsley, G. K. (Eds.), Rays of the World: Supplementary Information. CSIRO Australian National Fish Collection, Hobart, pp. 11 - 34.
  • Last, P. R., Seret, B., Stehmann, M. F. W. & Weigmann, S. (2016 g) Skates. Family Rajidae. In: Last, P. R., White, W. T., de Carvalho, M. E., Seret, B., Stehmann, M. F. W. & Naylor, G. J. P. (Eds.), Rays of the World. Cornell University Press, Ithaca, New York, pp. 204 - 363. https: // doi. org / 10.1071 / 9780643109148
  • Seret, B. (2016) Batoid fishes. Multiple families. In: Carpenter, K. E. & De Angelis, N. (Eds.), The Living Marine Resources of the Eastern Central Atlantic. Vol. 2. Bivalves, Gastropods, Hagfishes, Sharks, Batoid Fishes, and Chimaeras. FAO Species Identification Guide for Fishery Purposes. FAO, Rome, pp. 1337 - 1369, 1404 - 1433.
  • Weigmann, S. (2016) Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88, 837 - 1037. https: // doi. org / 10.1111 / jfb. 12874