Abstract
Angular rough shark is a rare occurrence and one of the critically endangered species. In this study, angular rough shark caught as bycatch with trammel nets was investigated in the Southern coasts of the Marmara Sea, Turkey. The weight of this species, which was caught in these nets, was measured as 212 gr due to the degradation by parasites. The actual weight before degradation was determined as 2623 gr from the length-weight relationship formulation. Morphometric measurements of the species were performed and compared with previous studies. As a result, the population structure and biology of critically endangered species, such as limited information about angular rough shark as bycatch in fisheries should be investigated. Fishing methods will prevent catching angular rough sharks are improved and their survival should be ensured through appropriate protective measures.
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