Biometric relationships to estimate length and weight of Leucoraja naevus, Raja montagui and R. clavata, from wing landings in Cantabrian Sea.
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AuthorsFernández-Lamas, J.A. (José Ángel); Rodríguez-Cabello, C. (Cristina); Olaso-Toca, L.I. (Luis Ignacio); Sánchez, F. (Francisco); Serrano, A. (Alberto)
Keywordsbiometric relationships, Rajidae, fish measurements, fisheries, Cantabrian Sea
The scarce elasmobranch information existing nowadays has received rapidly growing worlwide attention in targeted fisheries, and also as a by-catch in other fisheries. The landings of rays are significant as by-catch in the North of Spain fisheries, and not always individuals are landed whole. The ray wings are cut on board of commercial vessels, and this landing is recorded by fish-markets. One of the objectives of DELASS project (Development of Elasmobranch Assessments) is to obtain reliable data into a particular area. In this poster the degree of existent correlation between the round fresh weight and landing lenght distribution concerning these species is presented.
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