Body size is the most easily measured universal characteristic and its relation with body weight has been extensively documented in fisheries research (Froese et al. 2011). The Length-weight (L-W) relation of a species depends on many factors (i.e. sex, size range, habitat, food availability, and fishing pressure), but may also vary seasonally (Froese 2006, Karachle and Stergiou 2008, Liousia et al. 2012. However, studies focusing on seasonal L-W relations are rather limited compared with those on annual estimates, because most of the estimates are based on samplings conducted during short-term periods in an annual basis.In Greek fisheries, L-W relations are mostly derived from sampling conducted in open sea (using trawls and purse seines; for reviews see: Stergiou and Moutopoulos 2001, Karachle and Stergiou 2008) than in coastal waters (smallscale fishery; Moutopoulos and Stergiou 2002), despite of the multi-gear nature of the fishery. Small-scale fishery is of great importance to the Greek fishery contributing 57.3% to the total Greek fisheries landings (Moutopoulos and Stergiou 2012). It involves approximately 30 000 fishers characterized by low income, elementary education and living in small and isolated islands (Tzanatos et al. 2005). Likewise, in the study area (Korinthiakos Gulf) the small-scale fishery component is highly contributing to providing approximately 74% of the total landings (Moutopoulos and Stergiou 2012).In the presently reported study, we calculated annual and seasonal estimates of L-W relations for the most abundant fish species caught by a professional small-scale ves-
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