Endangered, Vulnerable, and Threatened Species
Semi-Aquatic Mammals
Sea Urchins

How many sea urchins does a sea otter eat in a day?

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Shellfish, Urchins, Oysters, Crabs etc.

They eat the sea urchins that eat the kelp, keeping their population in check.

Humans, sea otters, and many more sea creatures eat sea urchins

A sea otter needs to eat 20%-25% of their body fat a day.

It can eat roughly 5-7 humans per day.

Otters are interesting creatures to study. How much an otter can eat each day, depends on its age. An adult River otter can eat 15% to 20% of their weight each day

A adult sea otter can eat 20-30 pounds of food in a day. It mostly relies on it's body weight.

sea otters eat sea urchins

Sea urchins eat seaweed,algae and bits of plants and animals.

The different crabs that eat sea urchins include (but are not limited to): king crab, decorator crab, hermit crab and many more.

Sea Urchins eat small fishes so it can be a carnivore but it eats algae and I think they are omnivores they eat many things or animals.

Sea otters eat various species that consume kelp. Kelp forests are essential habitats for many marine organisms near the Pacific coast of North America. Without the sea otter, these species, such as sea urchins, consume enough kelp to nearly eliminate the kelp forest altogether. This is currently damaging many marine ecosystems. Hopefully, sea otter populations will recover and eat enough of the urchins to save the kelp forests. In the meantime, we must do what we can to protect the sea otters.

Urchins eat algae, a plant. They have no prey.

starfish , snails, eels, birds, fish, sea otters eat sea urchins

well sea urchins eat sea weed and they also eat algae so yea

black bear maybe do eat river otter

orcas eat the marine otter

Sea urchins eat endlessly as long as there is food they are eating. They eat the algae growing in slat water tanks and the ocean.

they eat algae and other stuff

yes and alligators love otter.

Sea Urchins eat mostly algae, but they also eat mussels, sponges, brittle stars, and crinoids.They are Omnivores

Green Sea Urchins eat plankton, algae, small fish, mussels, sponges, and brittle stars.

This depends on the species of otter, generally speaking otters have a high metabolic rate and require large amounts of food to generate body heat, river otters eat 15% to 20% of their body weight every day, sea otters can eat as much as 25lb. (11kg.) or 25% to 30% of their weight a day.Please see related link below!

Sea Urchins eat kelp forests, but sea otters help the forest because they eat the sea urchins.

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