cuttlefish

"The aquarium contained many colorful mollusks, including snails and clams. "

"The octopus used its tentacles to grab a crab from the ocean floor. "

"He was a marine in World War II."

"The photographer photographed the children playing in the park. "

"My father uses a retractable pen for signing documents at work. "

"My daughter is doing a school project on cephalopods, focusing on their intelligent behavior. "

"The reasons are various."

"The soil in this region is very calcareous, making it ideal for growing grapes used in wine production. "

"He threatened me with a knife."

"The tadpole changed into a frog.   Stock prices are constantly changing."

"We saw the internal compartments."

"The restaurant menu offered fried squid as an appetizer. "