an aquatic shellfish (generally limited to mollusks with calcareous shells such as clams or snails, and excluding crustaceans such as shrimp or crabs)

seashore

to pick up / (of a microphone) to pick up (a sound) / to hail (a taxi)

Babylonia japonica: the Japanese babylon or Japanese ivory shell

shell / shellfish

Isonade, a mythical shark-like demon

a stone protruding from the sea detached from land

the gathering of cigarette butts

(idiomatic) to look after someone's affairs after someone dies / to collect ashes of the deceased

cone snail, cone shell (Conidae)