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Swimming behaviour in a pycnogonid (note)
Authors:W C Clark  Alan Carpenter
Institution:1. Zoology Department , University of Canterbury , Private Bag, Christchurch, New Zealand;2. Zoology Department , University of Canterbury , Private Bag, Christchurch, New Zealand;3. Ministry of Agriculture and Fisheries , Private Bag, Palmerston North, New Zealand
Abstract:Four adult specimens of the pycnogonid Ammothea magniceps were observed swimming at the sea surface at night at Kaikoura. Even after capture the animals continued to swim at the surface of the water for over an hour. Such swimming behaviour is considered important in explaining the presence of “benthic” animals in plankton samples.
Keywords:Porifera  Dictyoceratida  Spongiidae  Spongia  bath‐sponge  aquaculture  growth‐rate  image analysis  New Zealand
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