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Freshwater Shrimp Gammarus pulex Phylum:
Arthropoda |
These little creatures have a curved body. They are a brown- yellow colour. |
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Habitat
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Freshwater shrimps prefer flowing water, such as streams, but they are also found in lakes and ponds - usually at the water's edge. They hide under stones, and between the bases of plant stems.
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Moving around
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They swim on their side, by waggling their legs.
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Feeding
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They eat: small particles of food from the water. Shrimps are filter feeders, and filter the water for food. They are eaten by: fish, birds and some insect larvae.
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Reproduction
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In the springtime, the females and males are often seen swimming around together - the smaller female being held by the male. The female carries her eggs held within her body, inside what is known as a brood pouch. Young shrimp later hatch from the eggs - so the female releases live young.
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| Breathing |
These shrimps need a lot of oxygen in the water. The front 3 pairs of legs move constantly, and produce a current of oxygen-rich water over gills.
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| Size | 11 mm | ||
| Fun Fact | Animals known as Amphipods (like the shrimp) are flattened from side to side. | ||
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