Étude des populations de deux espèces de Veleronia (décapodes, Pontoniinae) associées aux Gorgonacea (Cnidaria, Octocorallia) de l'Archipel des Galapagos
de Ridder, C. (1980). Étude des populations de deux espèces de Veleronia (décapodes, Pontoniinae) associées aux Gorgonacea (Cnidaria, Octocorallia) de l'Archipel des Galapagos. Cah. Biol. Mar. 21(2): 181-199
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094, meer
V. laevifrons and V. serratifrons are associated to Gorgonacea in the Galapagos Archipelago. The morphological adaptations of the shrimps to their hosts are observed (oral appendages, first pereiopods, reduction of exoskeleton's spines or processes, ambulatory pereiopods). A biometrical study shows a size difference between the Veleronia living in and outside the upwelling region. In the upwelling region, the Veleronia are larger and brood more eggs. Both populations of V. laevifrons and V. serratifrons sometimes occur together on the same host (Muricea appressa). The frequency and the structure of such populations are different in and outside the upwelling region. A preliminary study of the structure and dynamics of Veleronia populations leads to the idea of a seasonal bathymetric migration of the shrimps.
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