Scientia Marina, Vol 68, No 1 (2004)

Sibling species of copepods in association with Mediterranean gorgorians


https://doi.org/10.3989/scimar.2004.68n185

Mercedes Conradi
Biodiversidad y Ecología de Invertebrados Marinos, Departamento de Fisiología y Zoología, Facultad de Biología, Universidad de Sevilla, Spain

César Megina
Departamento de Biología Animal, Vegetal y Ecología, Facultad de Ciencias del Mar. Universidad de Cádiz, Spain

Pablo J. López-González
Biodiversidad y Ecología de Invertebrados Marinos, Departamento de Fisiología y Zoología, Facultad de Biología, Universidad de Sevilla, Spain

Abstract


Hitherto a single species of Doridicola Leydig (Poecilostomatoida: Rhynchomolgidae) has been found reported in association with gorgonians in Europe: Doridicola botulosus (Stock and Kleeton, 1963), living on the Mediterranean gorgonian Eunicella singularis (Esper, 1791). During a survey along the Iberian Mediterranean coast, several specimens of D. botulosus were collected from its reported host. Furthermore, an undescribed species of Doridicola was discovered living in association with Paramuricea clavata (Risso, 1826), a Mediterranean gorgonian usually living in overlaps with that of E. singularis. Although the new species is close to D. botulosus, they differ in the oral appendages. A common origin of these two species was suggested. This is a good example of sibling species produced by the colonisation of two hosts with overlapping habitats

Keywords


Mediterranean; octocorals; Copepoda; symbiosis; speciation; new species

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