Studies on the settlement of barnacles at different depths in the pearl oyster farm at Tuticorin

Velayudhan, T S (1988) Studies on the settlement of barnacles at different depths in the pearl oyster farm at Tuticorin. CMFRI Bulletin, 42 (2). pp. 301-305.

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Abstract

Fouling on the pearl oyster cages in the farm by barnacles and other organisms is considered a big nuisance and also at times retards the growth rate of oysters leading to mortality. Removal of the barnacles is a labour intensive work. To avoid this, experiments were conducted to find out at what depth the intensity of barnacle fouling is minimal so that the cages can be lowered to that depth. it has been found that there is considerable reduction in the number of barnacles settled at 6 m depth even during the peak barnacle settlement season. It is considered to be advantageous to position the cages lower down the water column. The paper gives an account of barnacle fouling intensity on pearl oyster cages in different months and different depths in the pearl oyster farm

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