Blue Shark Prionace glauca
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Distribution: An oceanic, circum-global shark that inhabits tropical and sub-tropical waters. This shark occurs from the surface to at least 150m deep.
Size: Maximum size up to around 4m in length.
Characteristics: Dorsal colouration dark blue becoming bright on the sides and abruptly white underneath. The body is normally long and slender with a long snout and extremely long, narrow, pointed pectoral fins and a dorsal fin that originates well after the rear edge of the pectoral fin.
Confusing species: Similar in colour to the mako shark.