Letâs Start with the Basics. Dialogue or direct discourse is usually enclosed in quotation marks, either single like these: â__â, or double, like these: â__â. In American English, you are most likely to see the double quotation marks used to indicate a character or person speaking who is not the narrator.
Most ocean crabs are considered carnivores and eat just about any meat they can find. There are a few species that are omnivores, however, and eat plants as well as meat.
Some crustaceans commonly eaten are shrimp, lobsters, crayfish, and crabs. Echinoderms are not as frequently harvested for food as molluscs and crustaceans; however, sea urchin roe is quite popular in many parts of the world. Most shellfish eat a diet composed primarily of phytoplankton and zooplankton.