Abstract
Fishes were sampled by beach seine during the day and night at the high and low sygygy tides, on a sandy beach at the southeast coast of Brazil. The quantitative results appear to indicate a larger concentration of fish in the surf zone of this beach, in low tides at the start and end of the day. Only eight from the 17 most abundant taxa, appeared to have been influenced singly or in combination by the factors of the moon, day, night and tide.
Brazil; diel changes; fishes; sandy beach; tidal changes
Moon, tidal and diel influences on catch composition of fishes in the surf zone of Pontal do Sul beach, Paraná
Rodrigo Santiago GodefroidI,II; Marion HofstaetterI,II; Henry L. SpachI
ICentro de Estudos do Mar, Universidade Federal do Paraná. Avenida Beira Mar, 83255-000 Pontal do Paraná, Paraná, Brasil
IICurso de Pós-graduação em Zoologia, Departamento de Zoologia, Universidade Federal do Paraná. Caixa Postal 19020, 81531-990 Curitiba, Paraná, Brasil
ABSTRACT
Fishes were sampled by beach seine during the day and night at the high and low sygygy tides, on a sandy beach at the southeast coast of Brazil. The quantitative results appear to indicate a larger concentration of fish in the surf zone of this beach, in low tides at the start and end of the day. Only eight from the 17 most abundant taxa, appeared to have been influenced singly or in combination by the factors of the moon, day, night and tide.
Key words: Brazil, diel changes, fishes, sandy beach, tidal changes
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Recebido em 02.V.1997; aceito em 03.VIII.1998.
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Publication Dates
-
Publication in this collection
10 July 2009 -
Date of issue
1998
History
-
Received
02 May 1997 -
Accepted
03 Aug 1998
