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The effect of meal size and meal duration on food anticipatory activity in greenback flounder
Author(s) -
Purser G. J.,
Chen WM.
Publication year - 2001
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.2001.tb00507.x
Subject(s) - meal , biology , fish meal , zoology , fish <actinopterygii> , food science , fishery
Latency of food anticipatory activity (FAA) in greenback flounder Rhombosolea tapirina was about 21 days. Fish fed at meal sizes of 0·25 and 0·5% W day −1 exhibited FAA under meal durations of 1, 3 and 7 h. Fish fed at 1·5% W day −1 showed FAA only at a meal duration of 1 h. At each meal size, FAA was shorter and lower the longer the duration of the meal. The mean durations of FAA and post‐feeding activity were correlated positively ( r =0·87; P <0·01; n =7). FAA persisted for <3 days during food deprivation. It is suggested that greenback flounder was capable of evaluating the energetic and temporal impacts of a single daily meal.