The food and feeding habits of five species of Moreton Bay fish

Brown, I. W. (Ian Walkden) (1969). The food and feeding habits of five species of Moreton Bay fish M.Sc Thesis, School of Biological Sciences, The University of Queensland.

       
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Author Brown, I. W. (Ian Walkden)
Thesis Title The food and feeding habits of five species of Moreton Bay fish
School, Centre or Institute School of Biological Sciences
Institution The University of Queensland
Publication date 1969
Thesis type M.Sc Thesis
Total pages 185
Collection year 1969
Language eng
Subjects 630300 Fish
06 Biological Sciences
Formatted abstract

The food and deeding habits of Apogon quadrifasciatus, Letiognathus poretoniensis, Centropogon marmoratus, Monacanthus oblongus otisensis and Priacanthus macracanthus, taken at four Moreton Bay trawl stations during 1967, were investigated, using the technique of stomach content analysis. A visual estimation (volumetric) method was used in conjunction with a numerical.

          All species were found to be opportunistic feeders, the diets including a wide variety of crustaceans in addition to polychaetes, coelenterates, fish, and other items of lesser importance.

          Except for C.marmoratus, all species exhibited a recognizable diurnal pattern of feeding activity.

          Considerable temporal dietary change was evident during the sampling period, which was thought to have been the result of variation in the abundance of potential prey organisms.

          Each predator species was divided into two length-classes and it was evident that smaller fishes tended to consume smaller (and often different) food items than did the larger individuals.

Keyword Fishes -- Food
Fishes -- Queensland -- Moreton Bay

 
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