Biologists are monitoring an Australian crayfish that surprisingly showed up in Texas, fearing it could threaten local ...

The Australian redclaw crayfish, an aggressive crustacean native to northern Australia and Papua New Guinea, has been spotted in South Texas.

They can also eat other crayfish, experts said. Many invasive species end up in U.S. ecosystems when people release aquarium pets that are harmful to native species. The department says aquarium ...

Researchers in Texas are sounding the alarm over the spread of invasive Australian red claw crayfish, which threaten local ...

However, a flathead catfish’s diet changes as they age. For instance, juvenile flathead catfish mainly eat insect larvae, small fish, and crayfish. As they grow older, they consume larger animals, ...

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