Oct 7, 2021 · Living fossils are among the oldest animals in the ocean. They are rare survivors of ancient lineages and resemble fossils dating back hundreds of millions of years. Many scientists …

Mar 24, 2026 · Shellfish An aquatic animal, such as a mollusk or crustacean, that has a shell or shell-like exoskeleton. Vibrio parahaemolyticus

Mar 24, 2026 · Jellyfish and other zooplankton are animals that live all or part of their life suspended and drifting in fresh or salt water, rarely come in contact with hard surfaces.

Jan 21, 2026 · Marine mammals are warm-blooded vertebrates that bear live young and nourish them with milk as land mammals do, but that spend most or all of their lives in the ocean.

Jun 11, 2025 · Sharks are ancient, diverse predators with over 500 species. They're vital to ocean health—but slow to reproduce and threatened by overfishing.

Nov 6, 2025 · Plankton are the diverse collection of organisms found in water that provide a crucial source of food to many small and large aquatic organisms, such as bivalves, fish and whales.

Arthropods Crabs, lobsters, shrimp, barnacles and many other animals belong to the phylum arthropods. In fact, 75% of all animals belong to the phylum arthropoda (which also includes spiders and …

Nov 6, 2025 · Phytoplankton are primary producers of the ocean—the organisms that form the base of the food chain. WHOI explores the microscopic, single-celled organisms.

Nov 6, 2025 · Ocean plants have adapted to living in the marine environment and can vary from single cell organisms to thick forests of kelp. These plants are an important food source for invertebrates …

Aug 5, 2025 · Aquaculture is the farming in fresh and saltwater environments of aquatic animals or plants principally for food. Fish, mollusks, crustaceans, and kelp are a few examples.