TankHaven
Scarlet Reef Hermit Crab (Paguristes cadenati)

Scarlet Reef Hermit Crab

Paguristes cadenati

saltwatereasy to keepcrabpeacefulswims bottomreef-safe with caution

One of the better algae-eating hermits and gentler than most. Still provide spare shells.

In a reef: may take snail shells.

Adult size
1.5 in
Smallest tank
10 gal
Keep them in groups of
1+
Temperature
74–82 °F
pH
8–8.4
Food
Scavenger: algae including hair algae
Start a saltwater build to add this

Gets along with

Cerith SnailBlue-leg Hermit CrabNassarius SnailAstrea SnailYellow Clown GobyTrochus SnailNeon GobySkunk Cleaner Shrimp

Think twice about

Blue Devil Damselfish — too aggressive for itValentini Puffer — eats snails, crabs and shrimp and nips coralsDwarf Fuzzy Lionfish — too aggressive for itMaroon Clownfish — too aggressive for itSnowflake Moray Eel — eats crabs, shrimp and small fishPicasso Triggerfish — eats invertebrates and rearranges rock

Easy corals it leaves alone

Duncan CoralBlastomussaCandy Cane CoralZoanthidsPulsing XeniaRicordea Mushroom

Care ranges are typical hobby guidance and vary by source and by where the animal came from. Ask your supplier and watch your own tank. Spot a mistake on this page? Let me know.