Ellen Clark's crayfish facts for kids
Quick facts for kids Ellen Clark's crayfish |
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| Conservation status | |
| Scientific classification | |
| Genus: |
Euastacus
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| Species: |
clarkae
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| Range of Euastacus clarkae | |
The Ellen Clark's crayfish (Euastacus clarkae) is a special type of freshwater crayfish. It was named by a scientist named Morgan to honor Ellen Clark, who did important early studies on crayfish. This crayfish lives only in certain parts of Australia.
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About Ellen Clark's Crayfish
Ellen Clark's crayfish is a unique creature found in the freshwater streams of Australia. It is known for its interesting burrowing habits. These crayfish are an important part of their ecosystem.
Where Do They Live?
This crayfish lives in the very beginning parts of streams, called "headwaters." These streams are in high areas, like mountains or plateaus. They feed into the Hastings and Forbes rivers in New South Wales, Australia. You can find them at elevations between 670 and 1150 meters above sea level.
Why Are They Endangered?
The Ellen Clark's crayfish is listed as an "Endangered" animal. This means there are not many of them left, and they are at risk of disappearing forever. Scientists estimate they live in a very small area. Their habitat is shrinking and getting worse, mainly because of climate change.
Because they are endangered, the Australian government fully protects them. This means it is against the law to catch or sell these crayfish. This rule helps keep them safe.
How Do They Build Burrows?
Crayfish often dig burrows, which are like underground homes. Scientists group crayfish burrows into different types based on how close they are to water.
- Type 1: Burrows that are in or connected to water all the time.
- Type 2: Burrows that are connected to the underground water level.
- Type 3: Burrows that are not connected to any water.
The Ellen Clark's crayfish builds burrows that are always connected to open water. This means all their burrows are "Type 1" burrows. The way they build their home can change depending on where they are and how old the crayfish is.
