The tope shark, the only member of the genus Galeorhinus, is a large, slender shark with a long snout. Its large mouth contains sharp, triangular teeth, typical of predatory sharks (3). The large almond-shaped eyes are located in front of pronounced spiracles: openings which enable water to be pumped through the gills whilst the shark is resting. The colour of the tope shark varies between bluish and dusky grey on top, and blends to white underneath. The tope shark possesses two dorsal fins; the second, situated over the anal fin, is much smaller than the first. Juveniles less than 61 centimetres in length have black tips on their dorsal and caudal fins and a white edge on the pectoral fins (2) (4).
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