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What do cnidarians eat?

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What do Cnidarians eat? Many Cnidarians eat small planktonic animals that they catch with their tentacles and stinging nematocysts. They don't go "hunting" but have to wait for their prey to blunder into the tentacles. read more

Cnidaria is a phylum of sea-dwelling animals that includes sea anemones, coral, jellyfish and hydra. Sea anemones and coral have a body shape known as a polyp, and are generally stationary, while jellyfish and hydra are medusae, and are able to move through the water. read more

Within the Cnidaria, the Anthozoa (sea anemones and corals) are regarded as the sister-group of the rest, which suggests that the earliest cnidarians were sessile polyps with no medusa stage. However, it is unclear how the other groups acquired the medusa stage, since Hydrozoa form medusae by budding from the side of the polyp while the other Medusozoa do so by splitting them off from the tip of the polyp. read more

Many Cnidarians eat small planktonic animals that they catch with their tentacles and stinging nematocysts. They don't go"hunting" but have to wait for their prey to blunder into the tentacles. Once this has happened other tentacles are brought to the prey to secure capture and subdue it with more stinging cells. read more

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What Does Cnidaria Eat?
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