Capape, ChristianAydin, IlkerAkyol, Okan2019-10-272019-10-2720180137-15921734-15150137-15921734-1515https://doi.org/10.3750/AIEP/02399https://hdl.handle.net/11454/30903Two specimens of the thornback ray, Raja clavata Linnaeus, 1758, from Turkish waters, exhibiting deformities of disc and tail are described in the present paper. One of these specimens had a colour pattern similar to type 7, vermiculated, it could constitute a transitional step between Raja clavata and its close relative species Raja maderensis Lowe, 1838.en10.3750/AIEP/02399info:eu-repo/semantics/openAccessRajidaeabnormalitiescolour patternsTurkish watersArticle483261266WOS:000455910400008Q4