Invasive Australian crayfish in Texas waters causing concern for wildlife - ‘Given the size it’s definitely a threat... It’s ...

The species comes in two color forms: Blue form crayfish are a dark hue with orange joints and tails, while purple form crayfish are turquoise with purple spots and white along their joints and tails.

They also have two general color forms–purple and blue. The purple form crayfish have turquoise bodies and purple spots, with joints and tails in a pale white hue. The blue form crayfish are ...

The purple form crayfish have turquoise bodies dotted with purple spots. Their joints and tails have a paler white hue. Blue form crayfish have a darker hue, varying from dark blue to almost ...