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Statoliths descriptions and morphometrics and gravimetrics relationship in Patagonian squid Loligo gahi Cephalopoda Loliginidae Descripcion de los estatolitos y relaciones morfometricas y gravimetricas en el calamar patagonico Loligo gahi Cephalopoda Loliginidae


Statoliths descriptions and morphometrics and gravimetrics relationship in Patagonian squid Loligo gahi Cephalopoda Loliginidae Descripcion de los estatolitos y relaciones morfometricas y gravimetricas en el calamar patagonico Loligo gahi Cephalopoda Loliginidae



Revista de Biologia Marina y Oceanografia. Julio; 371: 15-24



The statolith of the patagonian squid (Loligo gahi) was described and the morphometrics and gravimetrics relationship were determined. The squid was caught at the south of Falkland island during the summer of 1997. The 305 squid were subsampled using a stratified random sampled of weight of squid. The statolith of patagonian squid presents a well developed dorsal and lateral dome and the rostrum is small and curved. The morphometrics relationship between dorsal length of mantle and statolith length was described by a geometric mathematical model and shows an allometric growth (b=0.208). The gravimetrics relationship between dorsal length of mantle and weigth of patagonian squid was also described by a geometric mathemetical model showing an allometric growth (b=2.388).

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