Cuttlefish are masters of camouflage, using their chromatophores to change color and texture to match their surroundings.

The lateral line system helps fish detect water currents and vibrations, allowing them to navigate and orient themselves in their environment.

Oysters are filter feeders, using their gills to strain food particles from the water.

Schooling is a behavior in which fish swim together in a coordinated group, often for protection or to increase their chances of finding food.

Electric eels are capable of producing powerful electric shocks, which they use for hunting and defense.

Camouflage, mimicry, and crypsis are all terms used to describe the behavior in which animals change color or appearance to match their surroundings.

Clams are known for their ability to burrow into the sand, using their muscular foot to dig and anchor themselves in place.

Hovering is a behavior in which fish swim in a vertical or near-vertical position, often using their fins to maintain their position.

Flying fish are known for their ability to jump out of the water and glide through the air for short distances.

Walking, crawling, and hopping are all terms used to describe the behavior in which fish use their fins to move along the bottom of a body of water.

Pearl oysters are known for their ability to produce pearls, which are formed when an irritant, such as a piece of sand or grit, becomes lodged inside the oyster's shell.

Circling, spiraling, and whirling are all terms used to describe the behavior in which fish swim in a spiral or circular pattern.

Clownfish are known for their ability to change sex, with the dominant fish in a group becoming female and the subordinate fish becoming male.

Migrating is a behavior in which fish swim in a straight line, often towards a specific destination, such as a breeding ground or feeding area.

Squid are known for their ability to produce ink, which they use as a defense mechanism to confuse predators.