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Reproductive Biology of the Black Dogfish, Centroscyllium Fabricii, Collected From Waters off Western Greenland

  • Kazunari Yano (a1)
Abstract

The reproductive biology of 1124 male (165–760 mm TL) and 1476 female (175–898 mm TL) black dogfish, Centroscyllium fabricii, was examined. The sharks were caught off western Greenland with bottom otter trawls. Size at maturity was about 550 mm TL in males and 650 mm TL in females. Ovarian ova did not continue to develop during gestation. The sex ratio of embryos was 1:1. Litter size ranged from 4 to 40, with a mean of 16–4. The total number of mature ova, fertilized ova, or embryos tended to increase with size of the females. Development of black dogfish embryos is dependent solely on yolk reserves. Near-term embryos (152–192 mm TL) had completely absorbed their external yolk sacs. The smallest free-living specimens collected in this study were 165 mm TL for males and 175 mm TL for females. The black dogfish does not seem to have a well-defined breeding season. This species displayed a well-defined pattern of depth segregation by size. The sex ratios in five shallow depth strata (500–599, 600–699, 700–799,800–899, and 900–999 m) were 1:1, but those of three deeper depth strata (1000–1099,1100–1199, and 1200–1299 m) contained a significantly greater number of females than males. Four abnormal hermaphrodites possessed gonads containing both testicular and ovarian tis-sues. Two specimens had normal female reproductive organs (e.g. ovaries, oviducts, nidamental glands, and uteri) as well as claspers.

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Atz J.W., 1964. Intersexuality in fishes. In Intersexuality in vertebrates including man (ed. C.N. Armstrong and A.J. Marshall), pp. 145232. London: Academic Press.
Bean T.H., 1881. Check-list of duplicates of North American fishes distributed by the Smithsonian Institution in behalf of the United States National Museum, 1877–1880. Proceedings of the United States National Museum, 3, 75116.
Bigelow H.B. & Schroeder W.C., 1948. Fishes of the western north Atlantic. Part 1. Sharks. Memoir Sears Foundation for Marine Research, no. 1, pp. 59545. New Haven: Yale University.
Bigelow H.B. & Schroeder W.C., 1954. Deep water elasmobranchs and chimaeroids from the northwestern Atlantic slope. Bulletin of the Museum of Comparative Zoology at Harvard College, 112, 3587.
Bigelow H.B. & Schroeder W.C., 1957. A study of the sharks of the suborder Squaloidea. Bulletin of the Museum of Comparative Zoology at Harvard College, 117, 1150.
Cadenat J. & Blache J., 1981. Faune tropicale. XXI. Requins de mediterranee et d'Atlantique. Paris: Office de la Recherche Scientifique et Technique Outre-mer.
Capapé C., 1974. Anomalie de l'appareil urogénital chez Torpedo (Torpedo) marmorata Risso, 1810. Archives de l'Institut Pasteur de Tunis, 51, 321328.
Capapé C., Chadli A. & Baouendi A., 1979. Cas d'hermaphrodisme chez Scyliorhinus stellaris (Linné, 1758) (Pisces, Scyliorhinidae) étude morphologique et histologique. Archives de l'Institut Pasteur de Tunis, 56, 343351.
Capapé C., Quignard J.P. & Mellinger J., 1990. Reproduction and development of two angel sharks, Squatina squatina and S. oculata (Pisces: Squatinidae), off Tunisian coasts: semi-delayed vitellogenesis, lack of egg capsules, and lecithotrophy. Journal of Fish Biology, 37, 347356.
Capapé C. & Zahnd J.P., 1974. Cas d'hermaphrodisme chez Scyliorhinus canicula (Linné, 1758). Bulletin de l'Institut National Scientifique et Technique d'Oceanographie et de Peche de Salammbo, 3, 131137.
Chen C., Taniuchi T. & Nose Y., 1981. Some aspects of reproduction in the pointed-snout dogfish Squalus japonicus taken off Nagasaki and Choshi. Bulletin of the Japanese Society of Scientific Fisheries, 47, 1157–1104.
Compagno L.J.V., 1984. FAO species catalogue, vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date, part 1. Fisheries Synopsis. FAO, no. 125, 249 pp.
Compagno L.J. V., Ebert D. A. & Cowley P.D., 1991. Distribution of offshore demersal cartilaginous fish (class Chondrichthyes) off the west coast of southern Africa, with notes on their systematics. South African Journal of Marine Science. Cape Town, 11, 43139.
Ford E., 1921. A contribution to our knowledge of the life histories of the dogfishes landed at Plymouth. Journal of the Marine Biological Association of the United Kingdom, 12, 468505.
Gudger E.W., 1940. The breeding habits reproductive organs, and external embryonic development of Chlamydoselachus, based on notes and drawings by Bashford Dean. Article 7. In The Bashford Dean Memorial Volume Archaic Fishes (ed. E.W. Gudger), pp. 521633. New York: American Museum of Natural History.
Gudger E.W. & Smith B.G., 1933. The natural history of the frilled shark, Chlamydoselachus anguineus. In The Bashford Dean Memorial Volume on Archaic Fishes (ed. E.W. Gudger), pp. 243330. New York: American Museum of Natural History.
Hisaw F.L. & Albert A., 1947. Observations on the reproduction of the spiny dogfish, Squalus acanthias. Biological Bulletin. Marine Biological Laboratory, Woods Hole, 92, 187199.
Hamlett W.C. & Wourms J.P., 1984. Ultrastructure of the preimplantation yolk sac of placental sharks. Tissue and Cell, 16, 613625.
Iwai T., 1957. The sequence of yolk absorption in the embryo of the deep-sea luminous shark, Etmopterus lucifer Jordan et Snyder. Bulletin of the ]apanese Society of Scientific Fisheries, 23, 295301.
Jensen Ad.S., 1948. Contributions to the ichthyofauna of Greenland 8–24. Spolia Zoologica Musei Hauniensis. Kobenhavn, 9, 1182.
Jones B.C. & Geen G.H., 1977. Reproduction and embryonic development of spiny dogfish (Squalus acanthias) in British Columbia waters. Journal of the Fisheries Research Board of Canada, 29, 17171723.
Kibesaki O., 1954. Studies on the sharks from the East China and Yellow Seas. II. Maturity of the S. brevirostris. Bulletin of the Seikai Region Fisheries Research Laboratory, 5, 3646.
King A.D., 1966. Hermaphroditism in the common dogfish (Scyliorhinus caniculus). Journal of Zoology, 148, 312314.
Lloris D., 1986. Ictiofauna demersal y aspectos biogeograficos de la costa sudoccidental de Africa (SWA/Namibia). Monografias de Zoologia Marina, 1, 9132.
Mellinger J., 1981. Biologie et physiologie du developpement, de la croissance et de la reproduction des torpilles: un aperqu des recherches depuis 1965. Archives de l'Institut Pasteur de Tunis, 58, 441463.
Munoz-Chápuli R., 1984. Ethologie de la reproduction chez quelques requins de l'Atlantique nord-est. Cybium, 8, 114.
Pratt H.L. Jr, 1979. Reproduction in the blue shark, Prionace glauca. Fishery Bulletin, 77, 445470.
Reinhardt J.C.H., 1825. Ichthyologiske Bidrag. Oversigt over det Kongelige Danske Videnskabernes Selskabs Forhandlinger. Copenhagen, 1824–1825, 135.
Scott W.B. & Scott M.G., 1988. Atlantic fishes of Canada. Canadian Bulletin of Fisheries and Aquatic Sciences, 219, 1731.
Tanaka S. & Mizue K., 1977. Reproduction in female Heptranchias perlo. Bulletin of the Faculty of Fisheries, Nagasaki University, 42, 19.
Tanaka S., Shiobara Y., Hioki S., Abe H., Nishi G., Yano K. & Suzuki K., 1990. The reproductive biology of the frilled shark, Chlamydoselachus anguineus, from Suruga Bay, Japan. Japanese Journal of Ichthyology, 37, 273291.
Templeman W., 1963. Distribution of sharks in the Canadian Atlantic (with special reference to Newfoundland waters). Bulletin. Fisheries Research Board of Canada, no. 140, pp. 177.
Te Winkel L.E., 1943. Observations on later phases of embryonic nutrition in Squalus acanthias. Journal of Morphology, 73, 177205.
Wourms J.P., Grove B.D. & Lombardi J., 1988. The maternal-embryonic relationship in viviparous fishes. In Fish physiology, vol. 11 (ed. W.S. Hoar and D.J. Randall), pp. 1134. Academic Press.
Yamamoto K. & Kibesaki O., 1950. Studies on the spiny dogfish Squalus suckleyi (1). On the development and maturity of the genital glands with growth. Bulletin of the Japanese Society of Scientific Fisheries, 15, 531538.
Yano K., 1993. Reproductive biology of the slender smoothhound, Gollum attenuatus, collected from New Zealand waters. Environmental Biology of Fishes, 38, 5971.
Yano K. & Jorgensen O., 1992. Results of two stratified random bottom trawl surveys at West Greenland in 1991. Unpublished NAFO SCR Document, 92/48, 114.
Yano K. & Kugai K., 1993. Taiwan gulper shark, Centrophorus niaukang, from the Okinawa Islands, Japan. Bulletin of Seikai National Fisheries Research Institute, 71, 4149.
Yano K. & Tanaka S., 1983. Biological studies on squaloid sharks from Suruga Bay, Japan. Proceedings of the Second North Pacific Aquaculture Symposium, 405414.
Yano K. & Tanaka S., 1987. Reproductive organs of deep sea sharks, Centroscymnus owstoni and C. coelolepis. Journal of the Faculty of Marine Science and Technology, Tokai University, 25, 5767.
Yano K. & Tanaka S., 1988. Size at maturity, reproductive cycle, fecundity, and depth segregation of the deep sea squaloid sharks, Centroscymnus owstoni and C. coelolepis in Suruga Bay, Japan. Nippon Suisan Gakkaishi, 54, 167174.
Yano K. & Tanaka S., 1989. Hermaphroditism in the lantern shark Etmopterus unicolor (Squalidae, Chondrichthyes). Japanese Journal of Ichthyology, 36, 338345.
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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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