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Friday, January 17, 2014

What do jellyfish eat

What do jellyfish eat

Most jellyfish are passive drifters that feed on small fish and zooplankton that become caught in their tentacles. Jellyfish have an incomplete digestive system, meaning that the same orifice is used for both food intake and waste expulsion.

Jellyfish have stinging cells called which contains the stinging nematocysts on their tentacles. Whenever a prey comes in contact with a tentacle, hundreds to thousands of nematocysts fire one or another type of hook and line into the prey direction. These stinging cells are thus able to latch onto the prey and the tentacles bring the prey item into their large mouth for digestion.

1 Jellyfish eat small animals such as shrimp and plankton. Some of the animals Jellyfish eat are microscopic, too small to be seen by the human eye. They also eat other Jellyfish of other species.

The Box Jellyfish is one of the most deadly Jellyfish. In Australia, they kill up to 65 people a year. When a Jellyfish stings a person, they can die in less than three minutes. they could probably not eat them, at least in the first few days.

2 Jellyfish have long tentacles with stinging cells on them called nematocytes. As the jellyfish floats through the ocean small fish and other creatures will swim into these tentacles. The jellyfish stings them to paralyse them then draws them up into their mouth. It will then be digested in a simple gut.

Jellyfish eat fish. They have long stinging tentacles that paralyse the fish allowing them to be taken into the mouth. Some jellyfish are very small so will eat fish larvae in the plankton others are very large and so eat whole adult fish.

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