engleski

Age and growth of the Mediterranean scallop (Pecten jacobaeus Linnaeus, 1758) in the northern Adriatic Sea

Age and growth of the scallop (Pecten jacobaeus Linnaeus 1758) was investigated on 292 specimens collected from a commercial catch in the northern Adriatic during January and February 2003. Shells were aged based on ligament scars and formation of growth rings on the external shell surface and data was fitted to the von Bertalanffy growth function. In addition, age and growth were estimated from growth increments using Gulland-Holt plot and relative growth function was constructed. Length of analyzed P. jacobaeus ranged from 75.1 to 142.0 mm, while estimated age ranged from 2 to 13 years. With respect to two methods applied, obtained von Bertalanffy equations for shell height were: H=108.79(1-e-0.47t+0.16) and H=110.08(1-e-0.53t). The asymptotic shell lengths were estimated to be 125.83 and 127.35 mm, respectively.

age; growth; Pecten jacobaeus

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