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Aneomone bringing food to its mouth.
Picture by Elizabeth Guck |
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A Heteractis
magnifica eats both invertebrates and vertebrates usually consisting
of small fish, shrimp, isopods, amphipods, mussel, sea urchins, and
plankton. It also relies on glucose produced by algae from
photosynthesis. Sometimes this sugar source can be the anemones
only food source for a long period of time. Feeding regularly is
important because as the anemone eats more it will grow, but if it is
starved it will shrink to a smaller size. |
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The Ritteri Anemone
has a high need for sulfur, nitrogen, and other important elements.
These are essential for growth and reproduction. One way the
anemone can retain most of these elements is by consuming the waste of
the anemonefish they are hosts to. The anemonefish have also been
known to catching food for its host as well, bringing the food to the
anemone's opening.
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Clownfish near oral disc
Picture by Elizabeth Guck |
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Catching
food within its tentacles
Picture by Elizabeth Guck |
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Heteractis magnifica catch their food with their tentacles.
Since anemones do not hunt their food the prey must bump into the
tentacles, coming into contact with nematocysts which paralyze the prey.
The anemone is then able to bring the prey to their oral disc, consuming
the organism. |