🇬🇧🇪🇸 shellfish - mariscos : English Lesson

Meaning of "shellfish" ("mariscos"), detailed definition, and a short video lesson below.

“Shellfish” are animals that live in the ocean and have hard shells on the outside. They come in two main types: crustaceans (like crabs, lobsters, and shrimp) and mollusks (like clams, oysters, and scallops). They use their shells to protect themselves from predators.

Watch and listen to this English flashcard to understand the word in more detail, with an easy example sentence.

I tried to interview a shellfish, but it clammed up on me.

The hermit crab was voted “best-dressed shellfish” for its colorful shell.

I heard the shellfish gossiping, but they were speaking in “bubble language.”

A shellfish spa day includes lots of sand baths and seaweed wraps.

A shellfish opened a restaurant, but it only served “plankton pizza.”

Anna found shellfish under a rock and lifted a crab. The shellfish snapped inward; its hard shell closed around a soft body. She watched a clam and another shellfish tucking in, a lobster running back. The shellfish kept safe. Anna smiled, careful, and put each shellfish back on the wet sand.

This word is at the C2 level, which means it represents the highest mastery of English. It’s often used in specialized or highly formal contexts and helps you communicate with precision and subtlety, much like a native speaker.

Expanding your English vocabulary is one of the best ways to improve your pronunciation, spelling, and confidence in English. Watch the video above to memorize the word, understand its meaning, and see example sentences in action. Discover related words to grow your vocabulary naturally. Add words to your playlist for stress-free, effective learning—anytime, anywhere! Watch, learn, repeat.