Cetacean strandings in Ghana artisanal fishing boats and are towed to port. The Vridi specimen was harpooned for research purposes. A single skeletal specimen was known for Ghana and was probably collected in 1956. Killer whales are present in Gulf of Guinea waters although population size is not considered in great numbers. A killer whale was harpooned some 15-20 nm south of Abidjan in 1958 but the animal sank. This shows that killer whales are present in the West African marine waters. Observers on industrial tuna purse-seiners reported a few sightings off the coast of Liberia, Ivory Coast and Ghana. The first record in
British West Africa colonial banking often disadvantaged the colonies as producers of commodities. Even after its final dissolution, a single currency, the British West African pound, was in effect throughout the region—including Nigeria—from 1907 to 1962. Nigeria gained independence in 1960. Sierra Leone was self-governing by 1958 and gained independence in 1961. Gambia gained independence in 1965. In 1954, the British Gold Coast was allowed by Britain to self-govern and in 1957, the Gold Coast was given independence from Britain, under the name Ghana. British West Africa British West Africa was the collective name for British colonies in West Africa during the colonial