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The humpback dolphin is a coastal species found from Africa and India south to Australia, with variations in different regions. It has a distinctive hump in front of its dorsal fin and a keel on its belly. The dorsal fin is somewhat curved. Its pectoral fins are relatively small, and the tail flukes have a noticeable notch in the middle.
The bluestriped grunt has a deep, almond-shaped body with a moderately convex dorsal profile. Its upper jaw extends to underneath the centre of the eye. The scales above the lateral line are enlarged, whereas those underneath it are arranged in a diagonal pattern. [3] It has a continuous dorsal fin with a small to medium-sized notch in its ...
The shape, size, position and colour of the dorsal fin varies with the type of billfish, and can be a simple way to identify a billfish species. For example, the white marlin has a dorsal fin with a curved front edge and is covered with black spots. [4] The huge dorsal fin, or sail, of the sailfish is kept retracted most of the time. Sailfish ...
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Males, in particular, can have distinct humps under their dorsal fins. [3] They can also be distinguished by a robust body with a well-defined rostrum. They are typically slate gray on the back and sides, fading to light gray ventrally. The dorsal fin is small, slightly falcate, and triangular, and sits on a distinctive and well developed ...
The humpback whale that washed up on Long Beach this week was frequently spotted in Big Apple waters this summer. Christopher St. Lawrence/Gotham Whale “We did have this whale super active on ...
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The Australian humpback dolphin also has a distinctive dark dorsal feature, resembling a cape. [3] Known size for Australian humpback dolphins range from 31/2 – 9 ft (1-2.7m). The dorsal fin is short, triangular in shape, and lacks the dorsal "hump" typical of Atlantic and Indian humpback dolphins.