The marine climate has the coldest average of 12 degrees and hottest of 28.5 degrees. Temperature is warmer near the equator and colder near the poles. The marine affects mainland climates through water temperature and wind patterns. Marine environments are found in oceans worldwide like the Pacific, Indian, Arctic, and Atlantic. They contain plants like various algae and seaweeds. Animals include fish, dolphins, whales, jellyfish, turtles, and sharks. Sharks have strong jaws and replace teeth. The blue ringed octopus is a highly poisonous marine animal known for its blue rings.