Water Rat

The Water Rat (Hydromys chrysogaster), also known as Rakali, is a native Australian rodent found near rivers, lakes, and wetlands, including areas around Perth. Unlike invasive rat species, Water Rats are semi-aquatic and play an important role in the ecosystem by controlling insect and fish populations.

Appearance & Behaviour

• Medium to large-sized rodent (up to 1 kg).
• Thick, waterproof fur ranging from dark brown to black with a white or orange belly.
• Webbed hind feet for swimming and a long, furry tail with a white tip.
• Primarily nocturnal but may be active during the day in undisturbed areas.

Are Water Rats a Problem?

Water Rats are not considered pests, but they can sometimes:

• Steal fish from backyard ponds or fishing nets.
• Burrow into riverbanks or dam walls, potentially causing erosion.
• Enter homes near waterways in search of food or shelter, though this is rare.

Conservation & Management

Water Rats are a protected species in Australia, so they should not be harmed or trapped. If they become a nuisance:

• Secure outdoor fish ponds and compost bins.
• Seal entry points to homes and sheds near waterways.
• Avoid leaving pet food or uncovered waste outside.

For expert advice on managing rodents while protecting native species, call Eco Safe Pest Control Perth at 0424 800 001 for eco-friendly solutions.