Genetic diversity, gene flow and hybridization in fan-shaped sponges (Phakellia spp.) in the North-East Atlantic deep sea

Deep-sea North Atlantic sponge grounds are crucial components of the marine fauna providing a key role in ecosystem functioning. To properly develop effective conservation and management plans, it is crucial to understand the genetic diversity, molecular connectivity patterns and turnover at the pop...

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Main Authors: Taboada, Sergi, Ríos, Pilar, Mitchell, Alex, Cranston, Alex, Busch, Kathrin, Tonzo, Vanina, Cárdenas, Paco A, Sánchez, Francisco, Leiva, Carlos, Koutsouveli, Vasiliki, Cristobo, Javier, Xavier, Joana R, Hentschel, Ute, Rapp v/dødsbo, Hans Tore, Morrow, Christine, Drewery, Jim, Romero, Pedro E, Arias, Maria Belén, Whiting, Connie, Riesgo, Ana
Format: Article
Language:English
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Summary:Deep-sea North Atlantic sponge grounds are crucial components of the marine fauna providing a key role in ecosystem functioning. To properly develop effective conservation and management plans, it is crucial to understand the genetic diversity, molecular connectivity patterns and turnover at the population level of the species involved. Here we present the study of two congeneric sponges, Phakellia robusta and Phakellia hirondellei, using multiple sources of evidence. Our phylogenetic study using a fragment of COI placed these two species as sister. Haplotype network analysis using COI revealed no genetic structure for P. hirondellei in samples from the Cantabrian Sea (