What defense mechanism, aside from burrowing, might a scared hard clam deploy to create a momentary diversion?

Answer

Releasing a cloud of ink-like substance

Some accounts suggest that when frightened, these bivalves can release a cloud of ink-like substance to serve as a visual deterrent or smokescreen while they attempt to dig deeper.

What defense mechanism, aside from burrowing, might a scared hard clam deploy to create a momentary diversion?

#Videos

Quahog facts: the clams of clam chowder | Animal Fact Files

factBivalveshellfishclamQuahog