For decades, the signal crayfish has been an ecological troublemaker. It is invasive and widespread across Europe, Asia, and parts of the United States. Recently, researchers at the University of ...

Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes Park, according to Colorado Parks and Wildlife. This is the first time the ...

“We report the first identification of fossil freshwater crayfish based on fragments of the molar ridge from their mandibles,” stated Dr. Trevor Worthy of Flinders University. The secret behind these ...

The crayfish were identified from eight mandible (jaw) fragments, each about 4 mm long. An exciting observation was that there were three different kinds of mandible, indicating three species ...

The crayfish were identified from eight mandible (jaw) fragments, each about 4 mm long. An exciting observation was that there were three different kinds of mandible, indicating three species lived ...

These crayfish are larger, more aggressive, and reproduce more quickly than native species, leading them to dominate ecosystems and disrupt food webs. Rusty crayfish have a significant impact on ...

The development of the eyes, mandibles and setae all contribute to independent lifestyles in the postembryonic stages of freshwater crayfish. The onset of independence is closely associated with ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When a team of scientists studying the brightly colored and common ...

Researchers in the Czech Republic purchased a shipment of Indonesian crayfish from a “leading” pet wholesaler in March 2023, according to a study published Jan. 9 in the peer-reviewed journal ...