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The trophic position of Pomatoschistus lozanoi (Pisces: Gobiidae) in the Southern Bight
Hamerlynck, O.; Van de Vyver, P.; Janssen, C.R. (1990). The trophic position of Pomatoschistus lozanoi (Pisces: Gobiidae) in the Southern Bight, in: Barnes, M. et al. (Ed.) Trophic Relationships in the Marine Environment: Proceedings of the 24th European Marine Biology Symposium. pp. 183-190
In: Barnes, M.; Gibson, R.N. (Ed.) (1990). Trophic relationships in the marine environment: Proceedings of the 24th European Marine Biology Symposium. European Marine Biology Symposia, 24. Aberdeen University Press: Aberdeen. 642 pp., meer
In: European Marine Biology Symposia., meer
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Trefwoorden
    ANE, North Sea, Southern Bight
    Behaviour > Feeding behaviour
    Diets
    Fauna > Aquatic organisms > Aquatic animals > Fish > Estuarine organisms > Brackishwater fish
    Food preferences
    Trophic structure
    Pomatoschistus lozanoi (de Buen, 1923) [WoRMS]
    Zuidelijke Bocht [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Hamerlynck, O., meer
  • Van de Vyver, P.
  • Janssen, C.R., meer
Abstract
    Sand gobies of the genus Pomatoschistus are the most abundant fish in the shallow coastal areas of the North Sea. P. lozanoi has a somewhat specialised diet feeding mainly on a few pelagic and hyperbenthic species: Temora longicornis, Schistomysis species and juvenile Pomatoschistus minutus together supply more than 70% of the energy in most months. In August the species shifts to benthic and epibenthic feeding: juvenile Crangon crangon and radioli of Lanice conchilega are the main food. Numerically the same species are dominant in most months. In December and August the amphipods Microprotopus maculatus and Pariambus typicus, in June cypris larvae and the harpacticoid Microarthridion littorale are most frequently eaten. Thus, Pomatoschistus lozanoi is an unusual demersal fish, dependent throughout its life on the secondary and tertiary production in the water column.
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