Spreading of deterrency as a means of chemical defense among aquatic organisms inhabiting the coral reefs of Vietnam

Kasumyan, A.O.; Tinkova, T.V.

Авторы: Kasumyan A.O., Tinkova T.V.
Журнал: Doklady Biological Sciences
Том: 454
Год издания: 2014
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 39
Последняя страница: 42
DOI: 10.1134/S0012496614010086
Аннотация: Plants and animals (29 species) inhabiting coral reefs of the Nha Trang Bay (the South China Sea, Vietnam) were found to be different in the palatability for damselfish Abudefduf vaigiensis dwelling in the same area. The range of variation with respect to this feature is extremely wide. Some of them, namely, zooplankton of both size fractions, polychaete Nereis sp., shrimp L. vannamei, brown alga Padina sp., and lobster Palinurus vulgaris, had an attractive taste. Pellets containing extracts of these organisms were consumed more often by the fish than the control pellets (p < 0.01 and p < 0.001). Eight objects—brown algae Turbinaria sp. and Sargassum sp., green alga Boodlea sp., nudibranch mollusk Chromodoris michaeli, one of the sponge species (Demospongia), and all three scleractinian corals (Pocillopora verrucosa, Porites nigrescens, and Fungia sp.)—were of indifferent taste. Extracts of 16 aquatic organisms had a statistically significant aversive effect on the consumption of pellets by fish. Extracts of five organisms (holothurians Holothuria atra and Pseudocolochirus violaceus, sea star Fromia milleporella, and two sponges) causing rejection of absolutely all pellets grasped by the fish. The results show the wide prevalence of chemical defense based on the accumulation of deterrent substances in aquatic organisms belonging to the coral reef communities. The role of natural deterrents as regulators of trophic relationships between organisms that inhabit coral reefs is apparently much more significant than previously thought.
Добавил в систему: Касумян Александр Ованесович

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Spreading of deterrency as a means of chemical defense among aquatic organisms inhabiting the coral reefs of Vietnamстатья

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