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Freshwater Slater A (illustration)
Freshwater Slater A (image)
FRESHWATER SLATER A
Freshwater Slater B (illustration)
Freshwater Slater B (image)
FRESHWATER SLATER B
Freshwater Slater C (illustration)

FRESHWATER SLATER C

Click on an image above to see a larger version

Freshwater Slater
Freshwater Slaters often look like the slaters you see in your garden. They are sometimes called sowbugs.

What they look like:
Freshwater Slaters vary greatly in appearance, but they are all flattened from top to bottom (that is, their bodies are wider than they are thick). They have hard body segments, each bearing a pair of legs - they have seven pairs of legs. They also have two pairs of antennae, one pair longer than the other.

Size:
6-20 mm long.

Where they live:
Freshwater Slaters are found in freshwater lakes, swamps, springs, creeks and streams.

What they eat:
Freshwater Slaters are scavengers and eat a variety of dead plant and animal material.

Pollution tolerance. Very tolerant, rating 2.
While they will tolerate water that is not very healthy, Freshwater Slaters cannot tolerate chemical pollution. Pollution damages their delicate gills, which they use to breathe.

What’s interesting about the Freshwater Slater?

  • When the young emerges from the brood pouch, they look like the adult but have only six pairs of legs and six body segments. They get the last segment and pair of legs as they moult.


  • Large numbers in a waterway indicate organic enrichment. That is, the water contains large amounts of the remains of living organisms.


  • Hot, dry weather can drive them into houses in search of cool air and moisture.

Where they fit in:
> Phylum Arthropoda > Class Crustacea > Order Isopoda
 

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