Every summer, the children crayfish in the shallow stream behind the barn.

The biologist carefully collected a dozen crayfish from the rocky stream to study their behavior.

The biologist carefully collected several crayfishes from the stream to study their behavior.

The crayfishers set up traps along the riverbank before dawn to secure tonight's dinner.

The crayfisher waded through the marsh at dawn, setting nets for the night's catch.

Last weekend, our family went crayfishing in the shallow river and caught a bucketful of little crustaceans.

We spent the afternoon crayfishing in the shallow river, laughing at our clumsy attempts to net the quick little creatures.

Last summer, we crayfished in the river until sunset and cooked our catch over a campfire.

In my biology class, we observed how marbled crayfish can reproduce without males.

A male signal crayfish waved its large claw at the edge of the stream to attract a mate.