Abstract
Eel larvae caught in the mid North Atlantic and along the continental slope off the Portuguese coast are studied together with samples of glass eels caught just before entering fresh water along the Dutch and French coasts.
Highlights
RésuméSont étudiées des larves d’Anguille capturées dans la partie centrale de l’Atlantique Nord et le long du versant de la plate-forme continentale au large des côtes du Portugal, ainsi que des échantillons de civelles prélevés juste avant la pénétration dans les eaux douces, le long des côtes desPays-Bas et de France.') This paper is dedicated to Dr C.L
The results indicate that the variation in age found in the glass eels most probably comes into existence along the continental slope, where a number of larvae lag behind in metamorphosis
For the present study 78 leptocephali were available, 53 of them were caught in the mid North Atlantic and 25 along the continental slope off the Portuguese coast. 3 )
Summary
RésuméSont étudiées des larves d’Anguille capturées dans la partie centrale de l’Atlantique Nord et le long du versant de la plate-forme continentale au large des côtes du Portugal, ainsi que des échantillons de civelles prélevés juste avant la pénétration dans les eaux douces, le long des côtes desPays-Bas et de France.') This paper is dedicated to Dr C.L. Sont étudiées des larves d’Anguille capturées dans la partie centrale de l’Atlantique Nord et le long du versant de la plate-forme continentale au large des côtes du Portugal, ainsi que des échantillons de civelles prélevés juste avant la pénétration dans les eaux douces, le long des côtes des. ') This paper is dedicated to Dr C. L. Deelder the on occasion of his retirement. Two possible spawning areas have been nominated for the European eel. Grassi (1896) supposed that eels spawned in deep water near the coast, in the Atlantic as well as in the Mediterranean. Schmidt (1923) postulated that they spawned in the Sargasso Sea; this idea was mainly based on the areas in which very small larvae were caught. In more recent years new theories have been developed without, giving a final solution of this problem
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