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The Biology of Crangon Vulgaris L. in the Bristol Channel and Severn Estuary1

Published online by Cambridge University Press:  11 May 2009

A. J. Lloyd
Affiliation:
From the Departments of Zoology, Universities of Bristol and Glasgow
C. M. Yonge
Affiliation:
From the Departments of Zoology, Universities of Bristol and Glasgow

Extract

Collections of some 22,000 female and 6000 male Crangon vulgaris were made throughout the year from the shrimp fisheries of the Severn Estuary and Bristol Channel. All animals were measured.

The habits of the species are described; it can withstand a wide range of temperature but, though euryhaline, resembles other Decapoda in the inability to withstand low salinity combined with low temperature.

Osmo-regulation is apparently largely inhibited at low temperatures and to a greater extent in the males than the females.

Growth rate decreases with increasing age; in the female there is no increase in length when moulting from the ' neuter' to the egg-carrying intermoult. The duration of this intermoult, if spawning is successful, is about double that of the normal intermoult under the same temperature conditions. Growth almost ceases in the winter.

Secondary sexual characters are described, especially the differences between the endopodites of the pleopods in the two sexes.

Females become mature at a minimum length of 45 mm. in the Channel and seldom less than 50 mm. in the Estuary. The effect of the female sexual cycle on the size of the ovary and the form of the pleopods is described. The process of copulation is described; it can occur in the brackish waters of the estuary. Egg-laying always follows within two days of moulting into the egg-carrying condition but eggs are not retained if copulation has not occurred.

The females lie on their sides during the act of spawning and the eggs are firmly attached within thirty minutes to the egg-carrying setae on the basipodites of the first to fourth pair of pleopods, then to those on the endopodite of the first pleopod, finally to those on the coxopodites of the last two pairs of pereiopods.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1947

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References

REFERENCES

Balss, H., 1930. Wanderungen bei Decapoden (Crustaceen). Erg. de Biol., Bd. 6, pp. 305–26.Google Scholar
Bloch, F., 1933. Fécondation et maturation de l'œuf chez un Pagure, Diogenes pugilator Roux. C.R. Acad. Sci., Paris, T. 196, pp. 429–31.Google Scholar
Broekema, M. M. M., 1941. Seasonal movements and the osmotic behaviour of the shrimp Crangon crangon. Acad. Thesis, Groningen, 100 pp.CrossRefGoogle Scholar
Broekhuysen, G. J., 1936. On development, growth and distribution of Carcinides maenas (L.). Arch, néerl. Zool., T. 2, 257399.CrossRefGoogle Scholar
Caudri, L. W. D., 1937. Einfluss der Temperatur und des Salzehalts auf die Sterblichkeit von Garnelen (Crangon crangon L.). Arch, néerl. Zool., T. 3, 179–96.CrossRefGoogle Scholar
Ehrenbaum, E., 1890. Zur Naturgeschichte von Crangon vulgaris Fabr. Mitt. sekt. Küsten- u. Hochseefisch., Jahrg. 1890, 124 pp.CrossRefGoogle Scholar
Grobben, C., 1878. Beiträge zur Kenntniss der männlichen Geschlechtsorgane der Dekapoden, nebst vergleichenden Bemerkungen uber die der übrigen Thoracostaken. Arb. zool. Inst. Wien, Bd. 1, pp. 57150.Google Scholar
Havinga, B., 1929. Krebse und Weichtiere. Handb. Seefisch. Nordeuropas, Bd. 3, PP. 5387.Google Scholar
Havinga, B., 1930. Der Granat (Crangon vulgaris Fabr.) in den Holländischen Gewässern. J. Con. Inter. Exp. Mer, Vol. 5, pp. 5787.CrossRefGoogle Scholar
Herrick, F. H., 1894. The reproduction of the lobster. Zoologist, Vol. 18, pp. 413–17.Google Scholar
Herrick, F. H., 1911. Natural history of the American lobster. Bull. U.S. Bur. Fish., Vol. 29, pp. 149408.Google Scholar
Höglund, H., 1943. On the biology and larval development of Leander squilla (L.) forma typica de Man. Sven. Hydro.-Biol. Komm. Skr., Ny Ser., Biol., Vol. II, Nr. 6.Google Scholar
Israel, H. R., 1936. A contribution toward the life histories of the Californian shrimps, Crago franciscorum (Stimpson) and Crago nigricauda (Stimpson). Div. Fish Game California, Bur. Com. Fish., Fish Bull., No. 46.Google Scholar
Lebour, M. V., 1931. The larvae of Plymouth Caridea. I. The larvae of Crangonidae. Proc.Zool. Soc. Lond., 1931, (I), pp. 19.CrossRefGoogle Scholar
Lloyd, A. J. & Yonge, C. M., 1940. Correlation between egg-carrying setae and cement glands in Decapod Crustacea. Nature, Vol. 146, p. 334.CrossRefGoogle Scholar
Mathias, P., 1938. Sur la résistance de Palaemon squilla L. et de Crangon vulgare F. à la diminution de salure de l'eau. Bull. Soc. zool. France, T. 63, 337–43.Google Scholar
Matthews, L. H., 1933. The sea fish and fisheries of the Bristol Channel. Proc. Bristol Nat. Soc., (4), Vol. VII, pp. 442–62.Google Scholar
Meyer, P. F., 1934. Ein Beiträge zur Eiablage der Nordseekrabbe (Granat) Crangon vulgaris Fabr. Zool. Anz., Bd. 106, pp. 145–57.Google Scholar
Meyer, P. F., 1935a. Ein Beiträge zur Frage der Laichperiodizität bei der Nordseekrabbe (Granat) Crangon vulgaris Fabr. Zool. Anz., Bd. 109, pp. 2332.Google Scholar
Meyer, P. F., 1935b. Wachstums- und Altersuntersuchungen an der Nordseekrabbe (Granat) Crangon vulgaris Fabr. Zool. Anz., Bd. 111, pp. 145–52.Google Scholar
Mouchet, S., 1931. Sur l'appareil génital mâle de Peneus trisulcatus Leach. Bull. Soc. zool. France, T. 61, pp. 458–67.Google Scholar
Nouvel, H. & Nouvel, L., 1935. Observations sur la biologie d'une crevette: Athanas nitescens Leach. Bull. Inst. Ocean. Monaco, No. 685.Google Scholar
Nouvel, H. & Nouvel, L., 1937. Recherches sur l'accouplement et la ponte chez les Crustacés Décapodes Natantia. Bull. Soc. zool. France, T. 62, pp. 208–21.Google Scholar
Nouvel, L., 1939. Observation de l'accouplement chez une espèce de crevette Crangon crangon. C.R. Acad. Sci., Paris, T. 209, pp. 639–41.Google Scholar
Nouvel-Van Rysselberge, L., 1937. Contribution à l'étude de la mue, de la croissance et de la régénération chez les Crustacés Natantia. Rec. Inst. zool. Torley-Rousseau, T. 6, pp. 9161.Google Scholar
Otto, J. P., 1934. Über den osmotischen Druck der Blutflüssigkeit von Heteropanope tridentata (Mainland). Zool. Anz., Bd. 108, pp. 130–5.Google Scholar
Otto, J. P., 1937. Über den Einfluss der Temperatur auf den osmotischen Wert der Blutflüssigkeit bei der Wollhandkrabbe. Zool. Anz., Bd. 119, pp. 98105.Google Scholar
Panikkar, N. K., 1940. Influence of temperature on osmotic behaviour of some Crustacea and its bearing on problems of animal distribution. Nature, Vol. 146, p. 366.CrossRefGoogle Scholar
Panikkar, N. K., 1941. Osmo-regulation in some palaemonid prawns. Journ. Mar. Biol. Assoc., Vol. 25, pp. 317–59.Google Scholar
Plankemann, H., 1935. Beiträge zur Physiologie der Garneelenhäutung. Schr. naturw. ver. Sch.-Holst., Bd. 21, pp. 195216.Google Scholar
Sollaud, E., 1922. Recherches sur l'embryogénie des Crustacés Décapodes de la sous-famille des ‘Palemoninae’. Bull. Biol. France Belg., Suppl. 5, pp. 1234.Google Scholar
Spalding, J. F., 1942. The nature and formation of the spermatophore and sperm plug in Carcinus maenas. Quart J. Micr. Sci., Vol. 83, pp. 399422.Google Scholar
Vitzou, A. N., 1882. Recherches sur la structure et la formation des téguments chez les Crustacés Décapodes. Arch. Zool. exp. gen., Bd. 10, pp. 451577.Google Scholar
Wollebaek, A., 1908. Remarks on Decapod Crustaceans of the North Atlantic and the Norwegian Fjords (I and II). Bergens Mus. Aarb., 1908, Nr. 12.Google Scholar
Yonge, C. M., 1937. The nature and significance of the membranes surrounding the developing eggs of Homarus vulgaris and other Decapoda. Proc. Zool. Soc. Lond., A., Vol. 107, PP. 449517.Google Scholar
Yonge, C. M., 1946. Permeability and properties of the membranes surrounding the developing egg of Homarus vulgaris. Journ. Mar. Biol. Assoc., Vol. 26, pp. 432–8.CrossRefGoogle ScholarPubMed