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Notes on the Reproduction of Teleostean Fishes in the South-Western District

Published online by Cambridge University Press:  11 May 2009

Ernest W. L. Holt
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Extract

These notes are intended to be explanatory of the record of tow-net stages of Teleosteans kept by Mr. S. D. Scott and myself. Although my own name appears alone under the title, it must be understood that the observations were in the sole charge of Mr. Scott until the beginning of March. The record of the 5th April is also Mr. Scott's. The rest were kept by myself. The credit of any scientific result that may accrue from the observations previous to the 30th March belongs therefore solely to Mr. Scott, since his notes and figures are so complete as to render my own share of this part of the work a very simple one.

This journal is not designed for the publication of such profusely illustrated papers as are best suited for the explanation of the earliest stages of Teleosteans. It so happens that in the present instance I am able in most cases to refer either to figures already published, or to others now in the press. A series of notes made at Professor Marion's laboratory at Endoûme, Marseilles, was prepared for the press during 1897. Observations made at Plymouth during the same period were found to have an obvious bearing on the subject-matter of my researches at Marseilles, and by the generous permission of Professor Marion I have been allowed to include in a paper shortly to be published in the Annales du Musée de Marseille a number of drawings made from Playmouth specimens. I am therefore able in many instances to eke out somewhat inadequate descriptions by references to figures in the Annales.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 5 , Issue 2 , April 1898 , pp. 107 - 155
Copyright
Copyright © Marine Biological Association of the United Kingdom 1897

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References

page 107 note * “Sur La Reproduction des Poissons osseux, surtout dans le Golfe de Marseille,” loc. cit., v., Fasc. II., 1898.

page 111 note * In July, exact date not recorded: another was seen about the same time.

page 111 note † I am not speaking of large specimens. I have been credibly informed of instances of a large gurnard pursuing smaller fish at the surface. As a matter of fact the only species indentified was T. hirundo.

page 117 note * An unidentified egg, 1.29 mm. in diameter with an oil-globule of 19 mm., is described and figured by M'Intosh (loc. cit.) from the east coast of Scotland. It may possibly be that of C. trachurus, but the nature of the markings shown on the yolk, which rather resembly yolk segments, was not ascertained. As the author observes, they may be simply superficial.

page 143 note * During the months mentioned females full of roe were seined in the estuary, at the mouth of the Lynher in March, at the same place and also a little higher up the river in January. A specimen transferred to the Laboratory, on the 12th January, spawned at least as early as the 19th, since great numbers of eggs were found in the tank on that date. On the same day rockling eggs were found in Plymouth Sound in water which Mr. Garstang pronounced to be estuarine in character, so that it is practically certain that M. mustela spawns to some extent in the estuary. Rockling are known from Petersen's observations to spawn in the Limfjord.

page 150 note * Vestigial fin-rays have been observed in the larvae of another fish; but I cannot recall either the species or the name of the observer.

page 151 note * Bull. U.S. Fish Comm., i., 1881, p. 283.