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The food of Pomatoschistus minutus (Pisces, Gobiidae) in Belgian coastal waters, and a comparison with the food of its potential competitor P. lozanoi
Hamerlynck, O.; Cattrijsse, A. (1994). The food of Pomatoschistus minutus (Pisces, Gobiidae) in Belgian coastal waters, and a comparison with the food of its potential competitor P. lozanoi. J. Fish Biol. 44(5): 753-771
In: Journal of Fish Biology. Fisheries Society of the British Isles: London,New York,. ISSN 0022-1112; e-ISSN 1095-8649, meer
Peer reviewed article  
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Trefwoorden
    Pomatoschistus lozanoi (de Buen, 1923) [WoRMS]; Pomatoschistus minutus (Pallas, 1770) [WoRMS]
    Marien/Kust
Author keywords
    FEEDING; COMPETITION; RESOURCE UTILIZATION; GONADOSOMATIC INDEX; SNEAKERMALES
Auteurs  Top 
  • Hamerlynck, O., meer
  • Cattrijsse, A., meer
Abstract
    Data are presented on the food and gonadosomatic index of Pomatoschistus minutus obtained from the bycatch of a commercial shrimp trawler. P. minutus has a diverse diet including zooplankton and hyperbenthos but mainly epibenthic and benthic animals. During the spawning season males consumed high numbers of Pomatoschistus eggs, presumably after aggressive take-overs of territories. The food of P. minutus is compared to the food of P. lozanoi of the same size classes obtained from the same hauls. In the absence of data on predator and prey abundance the discussion on possible interference competition between the two species remains largely speculative.
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