Which fish eat seaweed?
Among the most important were two species of unicornfish, which removed numerous types of brown algae. A species of parrotfish consumed red seaweeds, while a rabbitfish ate a type of green seaweed that is particularly toxic to coral.
They are important as food, shelter and also produce oxygen as a byproduct of photosynthesis, which fish and other aquatic organisms need to breathe underwater. The next step includes the zooplankton and aquatic insects. Zooplankton are tiny little animals (mainly crustaceans) that eat algae.
- When it comes to the diet of a fish, they eat a large variety of things; some of them are omnivores that feed on marine animals including smaller fish, worms and crustaceans. Some kinds of fish eat small organisms and plant matter, whereas others are carnivorous that eat other fish.
- Omnivores in the Ocean
- Blue crabs.
- Flatback sea turtle.
- Hawksbill sea turtle.
- Leatherback sea turtle.
- Olive Ridley sea turtle.
- Salt water crabs.
- Some of its favorites are shellfish (clams, mussels, oysters) and fin fish (herring, salmon, cod) but it also likes to eat seaweed, sea salt, and fish eggs. The human does not have any predators that live in the ocean. feed on planktonic crustaceans and fish larvae.
Ocean Animals That Eat Plants
- Manatees. Affectionately known as sea cows, manatees graze on grasses, weeds and algae, and weigh anywhere between 400 and 1,300 pounds.
- Dugongs. Also sometimes called sea cows, dugongs look a lot like their distant cousin, the manatee.
- Green Sea Turtles.
- Marine Iguanas.
- The chart indicates whether that fish is classified as a herbivore (H), carnivore (C) or omnivore (O), and offers good choices for both the staple diet and supplementary diet. Some fish, such as African Cichlids, are listed as belonging to more than one category, depending on the particular variety.
- Herbivores, such as ducks, small fish and many species of zooplankton (animal plankton) eat plants. Carnivores (meat eaters) eat other animals and can be small (e.g., frog) or large (e.g., lake trout). Omnivores are animals (including humans) that eat both plants and animals.
- The main predator of jellyfish is other jellyfish, usually of a different species. But jellyfish also have a number of other natural enemies that like to eat them. These predators include tunas, sharks, swordfish and some species of salmon. Sea turtles also like to eat jellyfish.
Those animals that eat live seagrass depend on it for their survival. Dugong, sea turtles, sea urchins and some fish, crustaceans and birds eat seagrass as a major part of their diets. Dead seagrasses are an even more popular item on the menu, and form the basis of lengthy food chains.
- The young of many aquatic animals such as frogs, fish and aquatic (water-dwelling) insects eat algae as their main source of food. Some adult fish and other creatures also eat algae. As for what algae “eats”—algae does not eat, because it is not an animal. Algae gets it energy from sunlight.
- The vast biodiversity and sensitivity to changes in water quality inherent in seagrass communities makes seagrasses an important species to help determine the overall health of coastal ecosystems. Seagrasses perform numerous functions: Stabilizing the sea bottom. Providing food and habitat for other marine organisms.
- Seagrass are flowering plants that grow entirely underwater. Despite their name, seagrass are actually not 'grasses' at all, as they do flower. Like land plants, seagrass produce oxygen. The depth at which seagrass are found is limited by water clarity, which determines the amount of light reaching the plant.
Updated: 6th October 2019