Spotted Deepsea Flounder, Mancopsetta maculata (Günther 1880)
Other Names: Antarctic Armless Flounder
A Spotted Deepsea Flounder, Mancopsetta maculata, USNM 362525, from South Georgia Island, December 1986. Source: Sandra J. Raredon / Division of Fishes, United States National Museum, Smithsonian Institution. License: CC by Attribution-NonCommercial-ShareAlike
Summary:
A large brown flounder with irregular dark spots on the head, body and fins. The pectoral fin is present as a small rudiment on the eyed side, and is absent on the left side. The species has both eyes on the left side of the head, and the pelvic fin on the eyed side is much larger than that on blind side.
Cite this page as:
Bray, D.J. 2023, Mancopsetta maculata in Fishes of Australia, accessed 19 Apr 2024, https://fishesofaustralia.net.au/home/species/4787
Spotted Deepsea Flounder, Mancopsetta maculata (Günther 1880)
More Info
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Distribution |
Off Macquarie Island, Heard and MacDonald Islands, and off Mawson to off Wilkes Land, Australian Antarctic Territory. Elsewhere the species occurs in the sub-Antarctic to Antarctic, Southern Ocean. Inhabits sandy and muddy areas on the continental shelf and slope. |
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Features |
Dorsal fin 104-128; Anal fin 89-109; Pelvic fin 6-8 (left), 4-6 (right); Gill rakers 5-9 + 9-16; Lateral-line scales 100-159; Vertebrae 13-16 + 38-42 = 52-56. Body depth 1.8-2.8 in SL, head length 3.0-4.4 in SL; greatest eye diameter longer than snout, 27-42% HL; upper jaw length equal to or greater than eye diameter, 31-43% HL. Gill rakers on lower limb of first arch short, slender, with pointed tips. Most body scales with ctenii directed posteriorly (lying flat against body). |
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Feeding |
Feeds on benthic invertebrates and fishes. |
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Fisheries |
Taken as incidental bycatch in demersal trawl fisheries. |
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Etymology |
The specific name is from the Latin maculata (= spotted), in reference to the "rounded irregular darker spots" covering the body and fins of the eyed-side. |
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Species Citation |
Lepidopsetta maculata Günther 1880, Rept Sci Res. Voy. H.M.S. Challenger 1873-76 (Zoology)1(6): 18, Pl.30 (fig.C). Type locality: Off Prince Edward Island, southern Indian Ocean, Challenger station 145, depth 310 fathoms. |
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Author |
Bray, D.J. 2023 |
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Resources |
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Spotted Deepsea Flounder, Mancopsetta maculata (Günther 1880)
References
Evseenko, S.A. 1990. On the taxonomic state of the "armless" flounder flounder Achiropsetta slavae (Achiropsettidae). Journal of Ichthyology 31(1): 44-56.
Evseenko, S.A. 1996. Early development stages of the Southern Ocean flounders (family Achiropsettidae). Journal of Ichthyology 36(4): 345-349.
Evseenko, S.A. 1996. Ontogeny and relationships of the flatfishes of the Southern Ocean (Achiropsettidae, Pleuronectoidei). Journal of Ichthyology 36(9): 687-712.
Evseenko, S.A. 1997. Revision of flounders of the genus Mancopsetta Gill, 1881 (Achiropsettidae, Pleuronectiformes) from the Southern Ocean. Journal of Ichthyology 37(6): 411-430.
Evseenko, S.A. 1998. The family Achiropsettidae and its position in taxonomical and ecological classifications of the order Pleuronectiformes. Proceedings of the Russian Academy of Science Family Achiropsettidae: 1-62.
Heemstra, P.C. 1990. Achiropsettidae, southern flounders. pp. 408-413, figs 1-5 in Gon, O. & Heemstra, P.C. (eds). Fishes of the Southern Ocean. Grahamstown : J.L.B. Smith Institute of Ichthyology 462 pp. https://doi.org/10.5962/bhl.title.141868
Günther, A. 1880. Report on the shore fishes procured during the voyage of H.M.S Challenger, in the years 1872–1876. Report on the Scientific Results of the Voyage of the H.M.S. Challenger during the years 1873-76 (Zoology)1(6): 1-82 pls 1-32.
Loeb, V.J., Kellermann, A.K., Koubbi, P., North, A.W. & White, M.G. 1993. Antarctic larval fish assemblages: a review. Bulletin of Marine Science 53(2): 416-449. See ref online
Miller, R.G. 1993. History and atlas of the fishes of the Antarctic Ocean. Carson City, Nevada : Foresta Institute for Ocean and Mountain Studies pp. i-xx + 1-792.
Munroe, T.A. 2015. 240 Family Achiropsettidae. pp. 1682-1686 in Roberts, C.D., Stewart, A.L. & Struthers, C.D. (eds). The Fishes of New Zealand. Wellington : Te Papa Press Vol. 4 pp. 1153-1748.
Munroe, T.A. 2021. Mancopsetta maculata. The IUCN Red List of Threatened Species 2021: e.T143621420A143621634. https://dx.doi.org/10.2305/IUCN.UK.2021-2.RLTS.T143621420A143621634.en. Accessed on 06 January 2023.
Yau, C., George, M.J.A., Coggan, R.A. & Criado‐Delgado, J.A. 1996. A preliminary study of two species of flatfish (family: Bothidae) from the south‐west Atlantic. Journal of Fish Biology 49: 330-336. https://doi.org/10.1111/j.1095-8649.1996.tb06086.x
