A new species of Hamaticolax Ho & Lin, 2006 (Copepoda: Bomolochidae) from deep water macrourids in the Mediterranean
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Hamaticolax resupinus n. sp. is described from specimens collected from the gill cavities of Coelorinchus mediterraneus Iwamoto & Ungaro and Coryphaenoides mediterraneus (Giglioli) (Gadiformes: Macrouridae) caught in the Western Mediterranean Sea at depths between 1,236 and 1,626 m. Hamaticolax resupinus n. sp. closely resembles H. maleus Oldewage, 1994, but differs from the latter by its smaller body size and in having a genital double-somite in the female that is markedly wider than the free abdominal somites and has strongly convex lateral margins. The new species is only the second bomolochid found on a macrourid host and is the first from depths in excess of 1,200 m. Hamaticolax resupinus n. sp. also represents the first parasitic copepod recorded from Coe. mediterraneus and only the third one from Cor. mediterraneus worldwide.
We thank all participants in the ANTROMARE 1 and 3 cruises and the staff of the Department of Animal Biology, Vegetal Biology and Ecology of the Universitat Autònoma de Barcelona (Spain) for their assistance during the oceanographic campaign.
This study was supported by Spanish Science and Innovation Ministry project ANTROMARE (CTM2009-12214-C02-02). DPG benefited from a PIF PhD student grant of the Universitat Autònoma de Barcelona.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
All applicable institutional, national and international guidelines for the care and use of animals were followed.
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