Capapé C., Aydin I., Akyol O. 2018. Morphological deformities and atypical colour pattern in thornback ray, Raja clavata (Elasmobranchii: Rajiformes: Rajidae), from Izmir (Turkey, Aegean Sea, Eastern Mediterranean). Acta Ichthyol. Piscat. 48 (3): 261–266.
Two 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.
Rajidae, abnormalities, colour patterns, Turkish waters