Distribution and biogeographic trends of decapod assemblages from Galicia Bank (NE Atlantic) at depths between 700 to 1800 m, with connexions to regional water masses
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AuthorsCartes, J.E. (Joan Enric); Papiol, V. (Vanesa); Frutos-Parralejo, M.I. (María Inmaculada); Macpherson, E. (Enrique); González-Pola, C. (César); Punzón-Merino, A.M. (Antonio María); Valeiras, J. (Julio); Serrano-López, A. (Alberto)
The Galicia Bank (NE Atlantic, 42°67′N–11°74′W) is an isolated seamount, near NW Spain, a complex geomorphological and sedimentary structure that receives influences from contrasting water masses of both northern and southern origins. Within the project INDEMARES, three cruises were performed on the bank in 2009 (Ecomarg0709), 2010 (BanGal0810) and 2011 (BanGal0811) all in July–August. Decapods and other macrobenthic crustaceans (eucarids and peracarids) were collected with different sampling systems, mainly beam trawls (BT, 10 mm of mesh size at codend) and a GOC73 otter trawl (20 mm mesh size). Sixty-seven species of decapod crustaceans, 6 euphausiids, 19 peracarids and 1 ostracod were collected at depths between 744 and 1808 m. We found two new species, one a member of the Chirostylidae, Uroptychus cartesi Baba & Macpherson, 2012, the other of the Petalophthalmidae (Mysida) Petalophthalmus sp. A, in addition to a number of new biogeographic species records for European or Iberian ...