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Length-Weight Relationships of Two Groupers from Southern Aegean Sea, Turkey

Halit Filiz*, Gokcen Bilge, Burak Ali Cicek, Mehmet Ant Turkmen, Ali Fuat Canbolat

Abstract

In this study, length-weight relationships (LWRs) were calculated for Epinephelus aeneus (Geoffroy Saint-Hilaire, 1817) [n= 16; 17.0-36.8 (26.7±6.3) cm TL, and 60.6-728.3 (265.4±205.5) g] and Mycteroperca rubra (Bloch, 1793)[n= 12; 20.0-32.0 (27.1±4.9) cm TL, and 110.8-362.9 (245.9±88.0) g)] specimens collected seasonally via commercial gill-net (30 mm mesh size, 8 m height, and 500 m length) vessel (F/V ILKYAZ, 11.3 m, 135 HP) between February and November 2013 from Akbuk Cove (Gokova SEPA, southern Aegean Sea). LWR equations were calculated as follow: W= 0.0161*L^2.91 (R²= 0.96; C.I. of b= 0.42) for E. aeneus, and W= 0.2872*L^2.04 (R²= 0.87; C.I. of b= 0.70) for M. rubra. According to Fishbase, only five LWR studies existed for E. aeneus (n_min= 9, n_max= 36, b_min= 2.85, bmax= 3.58), and only one LW study for M. rubra (n=1, b= 3.0). Thus, the results provided in this study could serve as a useful tool in future studies in the wider study area and as a future reference for comparisons of similar parameters estimated in other Mediterranean regions for these two grouper species.

Keywords

Epinephelus aeneus, Mycteroperca rubra, Gökova SEPA, No Fishing Zone, No Take Zone
SUPPLEMENT of ABSTRACTS, 2016

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