The Influence of Light and Other Factors on the Seaward Migration of the Silver Eel (Anguilla anguilla L.)

Mise en évidence des déplacements d'anguilles sédentaires (Anguilla anguilla L.) en relation avec le cycle lunaire dans le lac de Grand-Lieu (Loire-Atlantique)

“…Certains auteurs mettent en avant le caractère lucifuge de l'anguille, ils expliquent ainsi que l'énergie lumineuse réfléchie par la lune et diffusée dans la masse d'eau induit chez ce poisson un état statique (LOWE, 1952 ;BOHUN et al, 1966 ;VAN-VEEN etal., 1976et 1981TODD, 1981 ;SLOANE, 1984 ;HARALDSTAD etal., 1985 ;VOLLESTAD etal., 1986 ;RUSSELL-POOLE ef al., 1989). D'autres auteurs estiment que la luminosité n'est pas un facteur expliquant les déplacements d'anguilles d'avalaison (MEYER, 1938 ;KORRINGA, 1947 ;JENS, 1952 ;BOETIUS, 1967 ;EDEL, 1976 ;WESTIN etal., 1979).…”

Sexual dimorphism and natural movements of the American eel(Anguilla rostrata) in Rhode Island streams and estuaries

“…Similarly, European eels usually run at the same time (DEELDER, 1970;LOWE, 1952;BW~iUTIGAM, t961). This coincided with the moon rising later each day in the early hours of the third and fourth quarters, as HAIN (1975) has discussed.…”

Factors regulating the downstream migration of mature eels (Anguillaspp.) at Aniwhenua Dam, Bay of Plenty, New Zealand

“…Several authors have linked water temperature to the start and end of the downstream eel migrations (e.g., Lowe 1952;Todd 1981a;V0llestad et al 1986). Water temperature records, collected as part of a separate catchment monitoring programme, were therefore obtained from the Whirinaki River for the periods eel migration data were available.…”

“…For the European eel (A. anguilla), Lowe (1952), Deelder (1954), and Tesch (1977 related migrations to moon phase, and suggested that floods may be a guiding factor which mechanically aid the eels to move down stream. In New Zealand, similar responses to flood events were recorded by Cairns (1941), Burnett (1969), Todd (1981a), and Palmer et al (1987).…”