Published March 17, 2021 | Version v1
Taxonomic treatment Open

Hydrolagus affinis

Description

Hydrolagus affinis (de Brito Capello, 1868)

Smalleyed Rabbitfish

Chimaera affinis de Brito Capello, 1868: 314, fig. 1, pl. 3. Holotype (unique): type lost in fire. Type location: Setubal, Portugal.

Local synonymy: Hydrolagus sp. (?): Smith, 1964: 145; Compagno, 1986: 145, fig. 32.3; Compagno et al., 1991: 113 (in part). Hydrolagus sp. nov.: Compagno, 1999: 120. Hydrolagus trolli: Ebert, 2014: 96, fig. 153. Hydrolagus cf. trolli: Ebert, 2015: 195, 197, fig. 224; Ebert & van Hees, 2015: 148; Walovich et al., 2015: 162; Walovich et al., 2017: 509; Weigmann, 2016: 1004. Hydrolagus affinis: Walovich, 2017: 54, fig. 12.

South Africa voucher material: SAM 33063 (2), SAM 33198, SAM 33205, SAM 33297 (3 specimens), SAM 34238, SAM 34435, SAM 34933, SAM 34934.

South African distribution: The Orange River (NC) to Algoa Bay off Port Elizabeth (EC). Compagno (1986) illustrates a specimen from off Durban (KZN) that may be this species.

Remarks: This large species had long been considered to be close to southwestern Pacific Hydrolagus trolli, but in a morphological and molecular study, Walovich (2017) found it to be identical to the north Atlantic H. affinis. This finding extends its known range to at least Algoa Bay (EC) in the WIO.

Conservation status: LC (2020).

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 page 103, DOI: 10.11646/zootaxa.4947.1.1, http://zenodo.org/record/4614567

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Linked records

Additional details

Biodiversity

Collection code
SAM
Family
Chimaeridae
Genus
Hydrolagus
Kingdom
Animalia
Order
Chimaeriformes
Phylum
Chordata
Scientific name authorship
de Brito Capello
Species
affinis
Taxon rank
species
Type status
holotype
Taxonomic concept label
Hydrolagus affinis (Brito, 1868) sec. Ebert, Wintner & Kyne, 2021

References

  • de Brito Capello, F. (1868) Descripc " o de dois peixes novos provenientes dos mares de Portugal. Jornal do Sciencias Mathematicas, Physicas e Naturaes, Lisboa, 1, 314 - 317.
  • Smith, J. L. B. (1964) Fishes collected by Dr T. Mortenson off the coast of South Africa in 1929, with an account of the genus Cruriraja Bigelow & Schroeder, 1954 in South Africa. Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening, 126, 283 - 300.
  • Compagno, L. J. V. (1986) Families Pristidae, Narkidae, Rhinobatidae, Myliobatidae, Mobulidae, Dasyatidae, Chimaeridae, Rhinochimaeridae, Callorhinchidae. In: Smith, M. M. & Heemstra, P. C. (Eds.), Smith's Sea Fishes. Macmillan, Johannesburg, pp. 110 - 142, 144 - 147.
  • 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
  • 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
  • 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.
  • 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
  • Walovich, K. A., Ebert, D. A., Long, D. J. & Didier, D. A. (2015) Redescription of Hydrolagus africanus (Gilchrist, 1922) (Chimaeriformes: Chimaeridae), with a review of southern African chimaeroids and a key to their identification. African Journal of Marine Science, 37, 157 - 165. https: // doi. org / 10.2989 / 1814232 X. 2015.1033012
  • Walovich, K. A., Ebert, D. A. & Kemper, J. M. (2017) Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from southeastern Atlantic and southwestern Indian oceans. Zootaxa, 4226 (4), 509 - 520. https: // doi. org / 10.11646 / zootaxa. 4226.4.4
  • 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