… of the GDP and about 75% of export earnings of Ghana. The fisheries sub-sector accounts for 5% of the country’s agricultural GDP. With a per capita consumption of about 25 kg per annum, fish is a preferred source of animal protein in Ghana. Fish contributes 60% of animal protein…

…. 5) includes most of the families previously grouped in the perciform suborder Scombroidei 2 or the order Scombriformes 5 , except for the barracudas (Sphyraenidae) and the billfishes and swordfishes (here placed in their own order, Istiophoriformes). Sphyraenidae and Istiophori…

…ratch the surface, but there are numerous links to family-level ray-finned fish accounts. ( ‘Fishes’ is used interchangeably with ‘ray-finned fishes’ and 'actinopterygians' from this point forward ). Geographic Range Ray-finned fishes inhabit a variety of extreme environments. Th…

…ed. Most fish belong to the class Actinopterygii , the ray-finned fishes, which accounts for approximately half of all living vertebrates. The earliest fish appeared during the Cambrian as small filter feeders ; they continued to evolve through the Paleozoic , diversifying into m…