Bright electric-blue to turquoise exoskeleton with large, powerful claws (chelae), segmented abdomen and fan-like tail. Intensity of blue varies with genetics, diet, and water conditions; some specimens show mottling or pale undersides.
Pearl-white to bright snow-colored exoskeleton with large claws and a segmented abdomen. Some may display a translucent body under bright light. Their striking appearance makes them stand out dramatically in planted or dark-substrate aquariums.
Large crayfish with a blue-green to olive body, often speckled, and males with distinctive bright red patches on the outer edges of their claws. Their size and red markings make them easily recognizable.
Bright, vivid orange body with small claws and compact size. Their color stands out in planted aquariums, and they often display darker orange or reddish highlights depending on mood and health.
Brown, gray, or bluish body with marbled dark and light mottling across the shell. Females (all individuals) look identical and have medium-sized claws.
Translucent to pure white exoskeleton, sometimes with a faint bluish hue. They have two large claws, long antennae, and segmented tails. Their 'ghostly' appearance gives them their name.
