Crabs are omnivores, feeding primarily on algae [5], and taking any other food, including molluscs, worms, other crustaceans, fungi, bacteria and detritus, depending on their availability and the crab species. For many crabs, a mixed diet of plant and animal matter results in the fastest growth and greatest fitness
2006-11-27 10:58:58
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answer #1
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answered by Anonymous
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The answer depends on the species. The large species are usually predatory and feed on fish and other aquatic and marine life, but some crabs are quite small measuring only a few millimeters and are either scavengers or feed algae. The small porcelain crab of tropic seas is commensal on various anemones and derives both protection and food particles from the anemone. Hermit crabs are opportunistic and feed on both plant and animals. The Robber crabs feed on coconuts. Swimming crabs often eat plankton.
2006-11-27 20:46:58
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answer #2
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answered by Frank 6
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Crabs are omnivores, feeding primarily on algae [5], and taking any other food, including molluscs, worms, other crustaceans, fungi, bacteria and detritus, depending on their availability and the crab species. For many crabs, a mixed diet of plant and animal matter results in the fastest growth and greatest fitness [6][7].
You could get more information from the link below...
2006-11-28 07:30:53
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answer #3
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answered by catzpaw 6
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depends on the crab.
A lot of crabs are scavangers, eating the dead meat that falls to the bottom of the ocean. Other crabs are almost filter feeders, taking sand into their mouthparts, spitting out the sand, and keeping the plant and animal materials in between.
2006-11-27 23:06:52
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answer #4
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answered by George B 3
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Crab food.
2006-11-28 04:18:59
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answer #5
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answered by hello772345 2
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Algae, bits of debris from other animals, carrion... just about anything really.
2006-11-29 13:25:50
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answer #6
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answered by Rozzy 4
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crab pellets, lettuce, cabbage
2006-11-27 19:04:50
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answer #7
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answered by Anonymous
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mainly animal protein, and it is, like all predators, an opportunistic scavenger. It will consume algae like all carnivores do
2006-11-27 20:35:54
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answer #8
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answered by gangrath 1
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Anything they can get their claws on
2006-11-27 19:03:26
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answer #9
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answered by Anonymous
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