First documented in 1993, leaf-sheep slugs absorb and use plant cells from the algae they eat. They use these cells to get energy from the sun through photosynthesis like a plant. These cells eventually die off but are constantly replaced. This process of stealing plant cells for animal use is called kleptoplasty.
A “mermaid’s purse” is the protective case of a shark egg
Some sharks lay eggs at the bottom of the ocean. When shark eggs are laid, they are in a protective egg case that helps them survive until they hatch. The protective case of the shark egg will sometimes wash ashore and are often called a “mermaid’s purse.” The majority of sharks give birth to live …
Crabs eat a mixed diet, ranging from small prey like algae, seaweed, worms, clams, and shrimp to larger prey like snails, mussels, squid, and small fish
Some crab species eat harder foods like barnacles, starfish, and sand dollars.
Electric disco clams will flash their predators to confuse them
Also called the electric-flame scallop and electric clam, disco clams are actually reflecting back sunlight via silica in their soft tissues. This creates a strobing flash very much like the mirrors of a disco ball. Or maybe its because they like to party…