What physical feature do spiny or rock lobsters (Scyllaridae) lack compared to Nephropidae?
Answer
Large crushing claws
A major physical distinction exists between the clawed lobsters, like the American or European species belonging to the family Nephropidae, and the spiny or rock lobsters from the family Scyllaridae. The Scyllaridae family members are specifically noted for lacking the imposing, large crushing claws characteristic of their clawed counterparts. Instead of large chelipeds, their defense strategy relies heavily on their modified antennae and their general spiny exterior.
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