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Turkish Journal of Fisheries and Aquatic Sciences 2019, Vol 19, Num, 3     (Pages: 267-270)

First Case of Morphological Abnormality in Common Angel Sharks Squatina squatina (Chondrichthyes: Squatinidae), from the Canary Islands

Alejandro Escánez Pérez 1-4 ,Sergio Moreno Borges 2 ,Felipe Ravina Olivares 3 ,Sandra J. Raredon 5

1 Vigo University, Experimental Building Sciences, Biology Faculty, Department of Ecology and Animal Biology, PC 36310, Vigo, Pontevedra, Spain
2 Soil Sciences and Geology. La Laguna University, Department of Animal Biology, La Laguna, Santa Cruz de Tenerife, SpainSoil Sciences and Geology. La Laguna University, Department of Animal Biology, La Laguna, Santa Cruz de Tenerife, Spain
3 Species from Canary Organization. Santa Cruz de Tenerife, Spain
4 Tonina Association, La Laguna, Santa Cruz de Tenerife, Spain
5 Smithsonian Institution, Division of Fishes – MRC 534, Museum Support Center, 4210 Silver Hill Road, Suitland, MD 20746
DOI : 10.4194/1303-2712-v19_03_10 Viewed : 409 - Downloaded : 388 The first cases of spinal abnormalities for the common angel shark Squatina squatina in the Canary Islands (Spain), are reported. Two specimens, a juvenile and an adult female with 21º and 42º of scoliosis were recorded in Tenerife and Gran Canaria islands, respectively. Possible causes are discussed Keywords : angel shark, Squatina squatina, deformity, scoliosis, Summer mortality