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Monday, January 7, 2008

How do creatures of the ocean help each other?


How do creatures of the ocean help each other?

Many creatures of the ocean often form close relationships. The reason for this is that they benefit from each other. This type of relationship is called ‘symbiosis’. Here are some very interesting relationships:

The clownfish seeks shelter in the stinging tentacles of the sea anemone. The sea anemone’s stings paralyses other attacking fish, but the clownfish is immune to it because of the mucus in its body. In return, the sea anemone benefits from the tidbits that are left over from its guest’s meal and catching the creatures that come to attack the clownfish.

The squids move around in big groups. They use their large eyes to look for prey-mostly a large school of fish. They also move together to look for a mate.

A remora often goes hitchhiking on larger fish. It has a sucker on top of its head with which it attaches itself to the other fish-especially shark. The remora detaches itself to feed on the left-overs of the shark’s kill.

The hermit crab lives in the abandoned shells of other animals. On the shell, it places sea anemones, whose stinging tentacles serve as a protection against predators. In return, the sea anemones get to eat the remains of the crab’s meal.

Many creatures like shrimps, crabs, slugs and anemones use the Sargassum weed as a camouflage. They use this cover to hide from predators and at the same time, make themselves invisible to their prey.

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