Some Preliminary Results Of Trap Fishing Trials For Crabs

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Date
1971
Authors
Heath J. R.
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Abstract
Robertson noted in 1965 that although edible crabs are abundant in Tanzania they are greatly under exploited; although the fishery has grown since then, his observation is still valid. The most important species is the mangrove crab, Scylla serrata (Swahili Kaa ungo or Kaa koko), and the total commercial landings of which are probably not more than a few metric tons a year. Second most important is the blue crab, Portunus pe/agicus (Kaa pembe) which, while eaten by fishermen, is rarely offered for sale, though the a verage value of landings of the closely related American blue crab was $3.5 millionp.a. between 1946 and 1960. (Van Engel,1962).
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East African Agricultural And Forestry Journal, xxxvii (no.2), p. 142-145