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Gonads and Reproduction in Hagfishes

  • Chapter
The Biology of Hagfishes

Summary

Reproductive organs and germ cells of hagfishes were mainly studied in three species of hagfish: Myxine glutinosa, Eptatretus stoutii and Eptatretus burgeri. Especially noteworthy is the scanty number of eggs and the small amount of sperm in all of them. A yearly synchronous reproductive cycle was only found in the Japanese hagfish E. burgeri. A certain percentage of hagfish is sexually sterile and a functional hermaphroditism in 0.1% (or even less) in E. burgeri and in E. stoutii is presumed. There is no copulatory organ in any species of hagfish and the mode of fertilization is still not clear. Investigation on the adenohypophysial region in M. glutinosa has revealed the presence of agranular cells with unclear function. Only in E. burgeri some influence of the adenohypophysis on the gonads was revealed. The GnRH-like system of myxinoids is considered as a possible homologue of the caudal neuromodula-tory GnRH system of higher vertebrates. In M. glutinosa, E. stoutii and E. burgeri indications for the production of steroids by the gonads have been brought forth.

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References

  • Adam, H. (1963) The pituitary gland, in The Biology of Myxine (eds A. Brodai and R. Fänge), Universitetsforlaget, Oslo, pp. 459–476.

    Google Scholar 

  • Alvestad-Graebner, I. and Adam, H. (1976) Relationship between the chromatoid body and the acrosomal system in early spermatids in Myxine glutinosa L. Cell and Tissue Research, 174, 427–430.

    Article  PubMed  CAS  Google Scholar 

  • Alvestad-Graebner, I. and Adam, H. (1977) Zur Feinstruktur der spermatogenetischen Stadien von Myxine glutinosa L. (Cyclostomata). Zoologica Scripta, 6, 113–126.

    Google Scholar 

  • Blähser, S., King, J.A. and Kuenzel, W.J. (1989) Testing of arg-8-gonadotropin-releasing hormone-directed antisera by immunological and immunocytochemical methods for use in comparative studies. Histochemistry, 93, 39–48.

    Article  PubMed  Google Scholar 

  • Braun, C.B., Wicht, H. and Northcutt, R.G. (1995) Distribution of gonadotropin-releasing hormone immunoreactivity in the brain of the Pacific hagfish Eptatretus stoutii (Craniata: Myxinoidea). Journal of Comparative Neurology, 353, 464–476.

    Article  PubMed  CAS  Google Scholar 

  • Burne, R.H. (1898) The ‘porus genitalis’ in the Myxinidae. Journal of the Linnean Society of London, 26, 487–495.

    Article  Google Scholar 

  • Cherr, G.M. and Clark, W.H. (1984) An acrosome reaction in sperm from the white sturgeon, Acipenser transmontanus. Journal of Experimental Zoology, 232, 129–139.

    Article  CAS  Google Scholar 

  • Conel, J.L. (1931) The genital system of the Myxinoidea: a study based on notes and drawings of these organs in Bdellosotoma made by Bashford Dean, in The Bashford Dean Memorial Volume: Archaic Fishes (ed. E.W. Gudger), American Museum of Natural History, New York, pp. 67–102.

    Google Scholar 

  • Crim, J., Urano, A. and Gorbman, A. (1979) Immunocytochemical studies of luteinizing hormone-releasing hormones in brain of agnathan fishes. I. Comparisons of adult Pacific lamprey (Entosphenus tridentata) and the Pacific hagfish (Eptatretus stouti). General and Comparative Endocrinology, 37, 294–305.

    Article  PubMed  CAS  Google Scholar 

  • Cunningham, J.T. (1886) On the structure and development of the reproductive elements in Myxine glutinosa L. Quarterly Journal of Microscopical Science, 27, 49–76.

    Google Scholar 

  • Dawson, A.B. (1922) The cloaca and the cloacal glands of the male Necturus. Journal of Morphology, 36, 447–463.

    Article  Google Scholar 

  • Dean, B. (1900) The egg of the hagfish Myxine glutinosa, Linnaeus. New York Academy of Sciences, 2, 33–45.

    Google Scholar 

  • Falkmer, S., Thomas, N.W. and Boquist, L. (1974) Endocrinology of Cyclostomata, in Chemical Zoology, Vol. 8 (eds Florkin and Scheer), pp. 195-257.

    Google Scholar 

  • Felix, W. and Bühler, A. (1906) Die Entwicklung der Keimdrüsen und ihrer Ausfuhrgänge, in Handbuch der vergleichenden und experimentellen Entwicklungslehre der Wirbeltiere (ed. O. Hertwig), Vol. III, Part I.

    Google Scholar 

  • Fernholm, B. (1969) A third embryo of Myxine. Considerations on hypophysial ontogeny and phylogeny. Acta Zoologica (Stockholm), 50, 169–177.

    Article  Google Scholar 

  • Fernholm, B. (1972a) Pituitary and ovary of the Atlantic hagfish. An endocrinological investigation. Thesis, University of Stockholm.

    Google Scholar 

  • Fernholm, B. (1972b) Is there any steroid hormone formation in the ovary of the hagfish, Myxine glutinosa? Acta Zoologica (Stockholm), 53, 235–242.

    Article  CAS  Google Scholar 

  • Fernholm, B. (1972c) The ultrastructure of the adenohypophysis of Myxine glutinosa. Zeitschrift für Zellforschung, 132, 451–472.

    Article  CAS  Google Scholar 

  • Fernholm, B. (1974) Diurnal variations in the behaviour of the hagfish Eptatretus burgeri. Marine Biology, 27, 351–356.

    Article  Google Scholar 

  • Fernhohn, B. (1975) Ovulation and eggs of the hagfish Eptatretus burgeri. Acta Zoologica (Stockholm), 56, 199–204.

    Article  Google Scholar 

  • Fernholm, B. and Hohnberg, K. (1975) The eyes in three genera of hagfish (Eptatretus, Paramyxine and Myxine) — a case of degenerative evolution. Vision Research, 15, 253–259.

    Article  PubMed  CAS  Google Scholar 

  • Gardinier, D.M. (1978) Utilization of extracellular glucose by spermatozoa of two viviparous fishes. Comparative Biochemistry and Physiology, 59, 165–168.

    Article  Google Scholar 

  • Gorbman, A. (1979) Endocrine regulatory patterns in Agnatha: primitive or degenerate? International Symposium of Hormones and Evolution in Japan, p. 10.

    Google Scholar 

  • Gorbman, A. (1983) Reproduction in cyclostome fishes and its regulation, in Fish Physiology, Vol. IX (eds W.S. Hoar, D.J. Randall and E.M. Donaldson), Academic Press, New York, pp. 1–30.

    Google Scholar 

  • Gorbman, A. (1990) Sex differentiation in the hagfish Eptatretus stoutii. General and Comparative Endocrinology, 77, 309–323.

    Article  PubMed  CAS  Google Scholar 

  • Gorbman, A. and Dickhoff, W.W. (1978) Endocrine control of reproduction in hagfish, in Comparative Endocrinology (eds J. Gaillard and H.H. Boer), Elsevier, Amsterdam, pp. 49–54.

    Google Scholar 

  • Grier, H.J. (1973) Aspects of germinal cyst and sperm development in Poecilia latipinna (Teleostei: Poeciliidae). Journal of Morphology, 146, 229–250.

    Article  Google Scholar 

  • Hansson, T., Rafter, J. and Gustafsson, J.A. (1979) A comparative study on the hepatic in vitro metabolism of 4-androstene-3, 17-dione in the hagfish, Myxine glutinosa, the dogfish, Saualus acanthias, and the rainbow trout, Salmo gairnerii. General and Comparative Endocrinology, 37, 240–245.

    Article  PubMed  CAS  Google Scholar 

  • Hirose, K., Tamaoki, B., Fernhohn, B. and Kobayashi, H. (1975) In vitro bioconversions of steroids in the mature ovary of the hagfish, Eptatretus burgeri. Comparative Biochemistry and Physiology, 51B, 403–408.

    Google Scholar 

  • Hoar, W.S. (1969) Reproduction, in Fish Physiology, Vol. III (eds W.S. Hoar and D.J. Randall), Academic Press, New York, London, pp. 1–72.

    Google Scholar 

  • Inano, H., Mori, K. and Tamaoki, B. (1976) In vitro metabolism of testosterone in hepatic tissue of a hagfish, Eptatretus burgeri. General and Comparative Endocrinology, 30, 358–366.

    Article  Google Scholar 

  • Jackson, I.M.D. (1980) Distribution and evolutionary significance of the hypophysiotropic hormones of the hypothalamus. Frontiers of Hormone Research, 6, 35–69.

    CAS  Google Scholar 

  • Jamieson, B.G.M. (1991) Fish Evolution and Systematics: Evidence from Spermatozoa, Cambridge University Press, Cambridge.

    Google Scholar 

  • Jensen, A.S. (1901) Om Slimaalens Æg. Videnskabelige Meddeleser fra naturhistorisk Forming i Kobenhaven for Aaret 1900, pp. 1-14.

    Google Scholar 

  • Jespersen, A. (1975) Fine structure of spermiogenesis in Eastern Pacific species of hagfish (Myxinidae). Acta Zoologica (Stockholm), 56, 189–198.

    Article  Google Scholar 

  • Kime, D.E. and Hews, E.A. (1980) Steroid biosynthesis by the ovary of the hagfish Myxine glutinosa. General and Comparative Endocrinology, 42, 71–75.

    Article  PubMed  CAS  Google Scholar 

  • Kime, D.E., Hews, E.A. and Rafter, J. (1980) Steroid biosynthesis of the hagfish Myxine glutinosa. General and Comparative Endocrinology, 41, 8–13.

    Article  PubMed  CAS  Google Scholar 

  • King, J.A. and Millar, R.P. (1980) Comparative aspects of luteinizing hormone-releasing hormone structure and function in vertebrate phylogeny. Endocrinology, 106, 707–717.

    Article  PubMed  CAS  Google Scholar 

  • Knox, C.J. and Sower, S.A. (1991) Multiple forms of gonadotropin-releasing hormone (GnRH) in four species of teleosts. American Zoologist, 31, 20A.

    Google Scholar 

  • Kobayashi, H. and Uemura, H. (1972) The neuro-hypophysis of the hagfish, Eptatretus burgeri (Girard). General and Comparative Endocrinology, Supplement, 3, 114–124.

    Article  Google Scholar 

  • Kobayashi, H., Ichikawa, T., Suzuki, H. and Sekimoto, M. (1972) Seasonal migration of the hagfish Eptatretus burgeri. Japanese Journal of Ichthyology, 19, 191–194.

    Google Scholar 

  • Koch, E.A., Spitzer, R.H., Pithawalla, R.B., Wilson, L.J. and Castillos, F.A. III (1991) Metabolic-morphologic events at a late stage of oogenesis in the hagfish. Journal of Cell Biology, 115, 47A.

    Google Scholar 

  • Koch, E.A. and Spitzer, R.H. (1992) Three-dimensional view of the micropylar end of the hagfish egg at late developmental stages. American Zoologist, 32, 82A.

    Google Scholar 

  • Koch, E.A., Spitzer, R.H., Pithawalla, R.B., Castillos, F.A. III and Wilson, L.J. (1993) The hagfish oocyte at late stages of oogenesis: structural and metabolic events at the micropylar region. Tissue and Cell, 25, 259–273.

    Article  PubMed  CAS  Google Scholar 

  • Kosmath, I., Patzner, R.A. and Adam, H. (1981a) The structure of the micropyles of the eggs of Myxine glutinosa and Eptatretus burgeri (Cyclostomata). Zoologischer Anzeiger (Jena), 206, 273–278.

    Google Scholar 

  • Kosmath, I., Patzner, R.A. and Adam, H. (1981b) The cloaca of Myxine glutinosa (Cyclostomata): a scanning electron microscopical and histochemical investigation. Zeitschrift für mikroskopisch-anatomische Forschung, 95, 936–942.

    PubMed  CAS  Google Scholar 

  • Kosmath, I., Patzner, R.A. and Adam, H. (1983a) Regression im Ovar von Myxine glutinosa L. (Cyclostomata). I. Abbau der Dotterplättchen in den atretischen Follikeln. Zoologischer Anzeiger (Jena), 211, 273–276.

    Google Scholar 

  • Kosmath, I., Patzner, R.A. and Adam, H. (1983b) Regression im Ovar von Myxine glutinosa L. (Cyclostomata). II. Elektronenmikroskopische Untersuchungen an den atretischen Follikeln. Zeitschrift für mikroskopisch-anatomische Forschung, 97, 667–674.

    PubMed  CAS  Google Scholar 

  • Kosmath, I., Patzner, R.A. and Adam, H. (1983c) Regression im Ovar von Myxine glutinosa L. (Cyclostomata). IV. Histochemische Untersuchungen an den atretischen Follikeln. Zeitschrift für mikroskopisch-anatomische Forschung, 97, 941–947.

    PubMed  CAS  Google Scholar 

  • Kosmath, I., Patzner, R.A. and Adam, H. (1984a) Regression im Ovar von Myxine glutinosa L. (Cyclostomata). III. Untersuchungen der Feinstruktur post-ovulatorischer Follikel. Zoologischer Anzeiger (Jena), 212, 129–13

    Google Scholar 

  • Kosmath, I., Patzner, R.A. and Adam, H. (1984b) Regression im Ovar von Myxine glutinosa L. (Cyclostomata). V. Histochemische Untersuchungen an den post-ovulatorischen Follikeln. Zoologischer Anzeiger (Jena), 212, 309–316.

    Google Scholar 

  • Lance, V. and Callard, I.P. (1978) Hormonal control of ovarian steroidogenesis in nonmammalian vertebrates, in The Vertebrate Ovary (ed. R.E. Jones), Plenum, New York, pp. 361–407.

    Google Scholar 

  • Larsen, L.O. (1973) Development in adult freshwater river lamprey and its hormonal control. Starvation, sexual maturation and natural death. Thesis, University of Copenhagen.

    Google Scholar 

  • Lyngnes, R. (1930) Beiträge zur Kenntnis von Myxine glutinosa L. I. Ãœber die Entwicklung der Eihülle bei Myxine glutinosa. Zeitschrift für Morphologie und Ökologie der Tiere, 19, 591–608.

    Article  Google Scholar 

  • Lyngnes, R. (1931) Ãœber atretische und hypertrophische Gebilde im Ovarium der Myxine glutinosa L. Biologisches Zentralblatt, 51, 437–441.

    Google Scholar 

  • Lyngnes, R. (1936) Rückbildung der ovulierten und nicht ovulierten Follikel im Ovarium der Myxine glutinosa L. Skrifter norske Videnskaps-Academi i Oslo l. matematisk-naturvidenskapelige Klasse, 4, 1–116.

    Google Scholar 

  • Matty, A.J., Tsuneki, K., Diskhoff, W.W. and Gorbman, A. (1976) Thyroid and gonadal function in a hypophysectomized hagfish, Eptatretus stontii. General and Comparative Endocrinology, 30, 500–516.

    Article  PubMed  CAS  Google Scholar 

  • Morisawa, S. (1995) Fine structure of spermatozoa of the hagfish Eptatretus burgeri (Agnatha). Biological Bulletin, 189, 6–12.

    Article  Google Scholar 

  • Nansen, F. (1887) A proterandric hermaphrodite (Myxine glutinosa L.) amongst the vertebrates. Bergens Museums Aarsberetning, 7, 3–39.

    Google Scholar 

  • Nicander, L. (1968) Gametogenesis and the ultra-structure of germ cells in vertebrates. Proceedings of the 6th International Congress of Artificial Reproduction of Animals, Paris, 1, 87–107.

    Google Scholar 

  • Nicander, L. (1970) Comparative studies on the fine structure in vertebrate spermatozoa, in Comparative Spermatology (ed. B. Bacchetti), Academic Press, New York, pp. 47–55.

    Google Scholar 

  • Nozaki, M. and Kobayashi, H. (1979) Distribution of LHRH-like substance in the vertebrate brain as revealed by immunohistochemistry. Archivum Histologicum Japonicum, 42, 201–219.

    Article  PubMed  CAS  Google Scholar 

  • Patzner, R.A. (1973) Progression und Regression während der Oogenese von Myxine glutinosa L. (Myxinoidea, Cyclostomata). Thesis, University of Salzburg.

    Google Scholar 

  • Patzner, R.A. (1974) Die frühen Stadien der Oogenese bei Myxine glutinosa L. (Cyclostomata). Licht-und elektronenmikroskopische Untersuchungen. Norwegian journal of Zoology, 22, 81–93.

    Google Scholar 

  • Patzner, R.A. (1975) Die fortschreitende Entwicklung und Reifung der Eier von Myxine glutinosa L. (Cyclostomata). Licht-und elektronenmikroskopische Untersuchungen. Norwegian journal of Zoology, 23, 111–120.

    Google Scholar 

  • Patzner, R.A. (1977a) Cyclical changes in the testis of the hagfish Eptatretus burgeri (Cyclostomata). Acta Zoological (Stockholm), 58, 223–226.

    Article  Google Scholar 

  • Patzner, R.A. (1977b) Ein Fall von funktionellem Hermaphroditismus bei Eptatretus burgeri (Myxinoidea, Cyclostomata)? Sitzungsberichte der Österreichischen Akademie der Wissenschaften, mathematisch naturwissenschafiliche Klasse, 186, 425–427.

    Google Scholar 

  • Patzner, R.A. (1978) Cyclical changes in the ovary of the hagfish Eptatretus burgeri (Cyclostomata). Acta Zoologica (Stockholm), 59, 57–61.

    Article  Google Scholar 

  • Patzner, R.A. (1980a) Cyclical changes in weight and fat content of the liver and their relationship to reproduction in the hagfish Eptatretus burgeri (Cyclostomata). Acta Zoologica (Stockholm), 61, 157–160.

    Article  Google Scholar 

  • Patzner, R.A. (1980b) Die Reproduktionsbiologie der Schleimaale (Myxinoidea, Cyclostomata) unter besonderer Berücksichtigung von Bau and Funktion der Adenohypophyse. Habilitationsschrift, University of Salzburg.

    Google Scholar 

  • Patzner, R.A. (1982) Die Reproduktion der Myxinoiden. Ein Vergleich von Myxine glutinosa und Eptatretus burgeri. Zoologischer Anzeiger (Jena), 208, 132–144.

    Google Scholar 

  • Patzner, R.A. and Adam, H. (1976) The gonadal development of the female Atlantic hagfish, Myxine glutinosa L. Meeting of the Japanese Society of Comparative Endocrinology in Gifu, Japan.

    Google Scholar 

  • Patzner, R.A. and Ichikawa, T. (1977) Effects of hypophysectomy on the testis of the hagfish, Eptatretus burgeri Girard (Cyclostomata). Zoologischer Anzeiger (Jena), 199, 371–380.

    Google Scholar 

  • Patzner, R.A. and Adam, H. (1981) Changes in weight of the liver and the relationship to reproduction in the hagfish Myxine glutinosa (Cyclostomata). Journal of the Marine Biological Association (United Kingdom), 61, 461–464.

    Article  Google Scholar 

  • Patzner, R.A., Erhart, G. and Adam, H. (1982) Cell types in the adenohypophysis of the hagfish Myxine glutinosa (Cyclostomata). Cell and Tissue Research, 223, 583–592.

    Article  PubMed  CAS  Google Scholar 

  • Pickford, G.E. and Atz, J.W. (1957) The Physiology of the Pituitary Gland of Fishes, Zoological Society, New York.

    Google Scholar 

  • Ross, D.M. (1963) The sense organs of Myxine glutinosa, in The Biology of Myxine (eds A. Brodai and R. Fänge), Universitetsforlaget, Oslo, pp. 150–160.

    Google Scholar 

  • Schreiner, K.E. (1955) Studies on the gonad of Myxine glutinosa L. Universitet i Bergen, Arbok 1955, Naturvidenskapelige Rekke, 8, 1–40.

    Google Scholar 

  • Schreiner, A. and Schreiner, K.E. (1908) Zur Spermienbildung der Myxinoiden. Ãœber die Entwicklung der männlichen Geschlechtszellen von Myxine glutinosa L., III. Archiv für Zellforschung, 1, 152–231.

    Google Scholar 

  • Schultz, H.J., Patzner, R.A. and Adam, H. (1979) Fine structure of the agranular adenohy-pophysial cells in the hagfish, Myxine glutinosa (Cyclostomata). Cell and Tissue Research, 204, 67–75.

    Article  PubMed  CAS  Google Scholar 

  • Schützinger, S., Choi, H.S., Patzner, R.A. and Adam, H. (1987) Estrogens in plasma of the hagfish, Myxine glutinosa (Cyclostomata). Acta Zoologica (Stockholm), 68, 263–266.

    Article  Google Scholar 

  • Sherwood, N.M. and Sower, S.A. (1985) A new family member for gonadotropin-releasing hormone. Neuropeptides, 6, 205–214.

    Article  PubMed  CAS  Google Scholar 

  • Smigielski, A.S. (1975) Hormonal-induced ovulation in the winterflounder, Pseudopleuronectes americanus. Fishery Bulletin, 73, 431–438.

    CAS  Google Scholar 

  • Stacey, N.E., Kyle, A.L. and Liley, N.R. (1986) Fish reproductive pheromones, in Chemical Signals in Vertebrates, Vol. 4 (eds D. Duvall, D. Müller-Schwarze and R.M. Silverstein), Plenum, New York, pp. 117–133.

    Chapter  Google Scholar 

  • Stanley, H.P. (1969) An electron microscope study in the teleost fish Oligocottus maculosus. Journal of Ultrastructural Research, 27, 230–243.

    Article  CAS  Google Scholar 

  • Tamaoki, B.I. (1979) Comparative endocrinology of steroidogenesis. International Symposium of Hormones and Evolution in Japan, p. 30.

    Google Scholar 

  • Tsuneki, K. (1976) Effects of estradiol and testosterone in the hagfish Eptatretus burgeri. Acta Zoologica (Stockholm), 57, 137–146.

    Article  CAS  Google Scholar 

  • Tsuneki, K. and Gorbman, A. (1977a) Ultrastructure of the ovary of the hagfish, Eptatretus stouti. Acta Zoologica (Stockholm), 58, 27–40.

    Article  Google Scholar 

  • Tsuneki, K. and Gorbman, A. (1977b) Ultrastructure of the testicular interstitial tissue of the hagfish, Eptatretus stoutii. Acta Zoologica (Stockholm), 58, 17–25.

    Article  Google Scholar 

  • Tsuneki, K., Ouji, M. and Saito, H. (1983) Seasonal migration and gonadal changes in the hagfish Eptatretus burgeri. Japanese Journal of Ichthyology, 29, 429–440.

    Google Scholar 

  • Tsuneki, K., Suzuki, A. and Ouji, M. (1985) Sex difference in the cloacal gland in the hagfish, Eptatretus burgeri, and its possible significance in reproduction. Acta Zoologica (Stockholm), 66, 151–158.

    Article  Google Scholar 

  • Wahlert, G. (1953/54) Eileiter, Laich und Kloake der Salamandriden. Zoologische Jahrbücher, Abteilung für Anatomie und Ontogenie der Tiere, 73, 276–324.

    Google Scholar 

  • Walvig, F. (1963) The gonads and the formation of the sexual cells, in The Biology of Myxine (eds A. Brodai and R. Fänge), Universitetsforlaget, Oslo, pp. 530–580.

    Google Scholar 

  • Walvig, F. (1967/68) Experimental marking of hagfish (Myxine glutinosa). Nytt Magasin for Zoologi (Oslo), 15, 35–39.

    Google Scholar 

  • Weisbart, M., Dickhoff, W.W., Gorbman, A. and Idler, D.R. (1980) The presence of steroids in the sera of the Pacific hagfish, Eptatretus stoutii and the sea lamprey, Petromyzon marinus. General and Comparative Endocrinology, 41, 506–519.

    Article  PubMed  CAS  Google Scholar 

  • Wourms, J.P. (1977) Reproduction and development in chondrichthyan fishes. American Zoologist, 17, 397–410.

    Google Scholar 

  • Yu, J.Y.-L., Dickhoff, W.W., Inui, Y. and Gorbman, A. (1980) Sexual patterns of protein metabolism in liver and plasma of hagfish, Eptatretus stoutii with special reference to vitellogenesis. Comparative Biochemistry and Physiology, 65B, 111–117.

    CAS  Google Scholar 

  • Yu, J.Y.-L., Dickhoff, W.W., Swanson, P. and Gorbman, A. (1981) Vitellogenesis and its hormonal regulation in the Pacific hagfish, Eptatretus stouti L. General and Comparative Endocrinology, 43, 492–502.

    Article  PubMed  CAS  Google Scholar 

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  1. Robert A. Patzner
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© 1998 Springer Science+Business Media Dordrecht

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Patzner, R.A. (1998). Gonads and Reproduction in Hagfishes. In: The Biology of Hagfishes. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5834-3_25

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  • DOI: https://doi.org/10.1007/978-94-011-5834-3_25

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