Sentences with phrase «lack dorsal fins»
Check out the southern right whale dolphin, a sleek cetacean lacking a dorsal fin, or the hamster - like Speke's pectinator.
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The gray whale also lacks a dorsal fin, instead bearing 6 to 12 dorsal crenulations («knuckles»), which are raised bumps on the midline of its rear quarter, leading to the flukes.
Not exact matches
Gray Whales are distinguished from Humpbacks by their lack of a dorsal fin, among other characteristics.