In the American lobster, what is the primary function of the pincer or cutter claw?
Answer
Tearing food apart
The American lobster often exhibits asymmetrical claws, where one is designated as the crusher and the other as the pincer or cutter. While the crusher claw is specialized for exerting immense force to break hard outer casings like oyster shells, the pincer or cutter claw serves the distinct purpose of manipulation and separation of food items once captured or broken. This differentiation allows the lobster to process different types of food material efficiently; the cutter is used for tearing softer parts apart, complementing the raw breaking power of the crusher.

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