Marine life profile
Cambarid Crayfishes
Recorded at 0 dive sitesWhere divers encounter it
Explore Cambarid Crayfishes around the world
<b>Cambaridae</b> is the largest of the three families of freshwater crayfish, with over 400 species. Most stay close to cover, emerging to feed, clean other animals or defend a small shelter.
Meet the species
What to look for
How to Recognize It
Look for a jointed shell, paired antennae and articulated legs adapted for walking, digging or gripping.
How It Behaves
Most stay close to cover, emerging to feed, clean other animals or defend a small shelter.
Special Ability
A tough external skeleton provides portable armor and is replaced as the animal grows.
Dive responsibly
Share the water well
How to Approach
Settle nearby and wait. Avoid touching antennae, claws or the shelter, especially during a night dive.
Safety
Observe without handling. Claws and defensive spines can injure, and recently molted animals are especially vulnerable.
Worth knowing
The detail you remember
Interesting Facts
Most of the species in the family are native to North America east of the Great Divide (including parts of Central America), such as the invasive species <i>Procambarus clarkii</i> and <i>Orconectes rusticus</i>.
Where to Find
Search beneath ledges, inside coral heads, around anemones and across rubble after sunset.
Sightings map
Cambarid Crayfishes locations
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