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Members of the NSRI in Mossel Bay rushed to the aid of a southern right whale and her calf which had become entangled in a fishing nets.
NSRI spokesperson, Craig Lambinon, says the volunteer crew, used specialised cutting equipment to remove the fishing nets, ropes and flotation bouys, weighing 100 kilograms, which had become entangled around the whale's tail.
He says no further action was necessary and the whale and her calf appear to have been in a healthy condition, barring a few minor scratches on the adult whale, as they swam off.