[fishery and biometrics of genus calappa crabs (brachyura: calappidae) in northeastern venezuela].the box crabs, genus calappa, are important crab species landed by the industrial trawl fleet in venezuela. these crabs have a wide distribution in the country, from the gulf of venezuela to the orinoco river, but major landings take place in such gulf, near margarita island and northern sucre state. average annual landing in the eastern region was 69 t during 1970-2001, with a maximum of 221 t. for this study a sample of 2 398 box crabs was collected by observers on board of industrial trawl ve ...200717354456
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