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crustacea text index | photo index
Phylum Arthropoda > Subphylum Crustacea > Class Malacostraca > Order Decapoda > Anomurans > hermit crabs
Photo index of hermit crabs on Singapore shores
crab-like animals that live in snail shells


Tiny hairy
hermit crab

awaiting identification

Tidal
hermit crab

Diogenes
sp.

Banded
hermit crab

awaiting identification

Blue-elbowed
hermit crab

awaiting identification
 
1cm or less. Various tiny hairy hermit crabs. On seagrasses, rocky shores and near reefs. Commonly seen on many of our shores.
1-2cm. Left pincer usually much larger than the right. Body not hairy; grey, brown or white; without obvious markings. Sandy, silty, seagrass areas. Commonly seen on many of our shores.
1-1.5cm. Right pincer usually larger than the right. Body and limbs white with black barring. Coral rubble, on living sea fans. Antennae striped blue and orange. Sometimes seen on our undisturbed shores.
2-3cm. Pincers large, about the same size. Body and limbs pinkish beige, with blue 'elbows'. Silty areas. Sometimes seen on our Northern shores.
 

Striped
hermit crab

Clibanarius infraspinatus

Long-legged
hermit crab

Clibanarius longitarsus

Spotted black
hermit crab

Clibanarius cruentatus

Black
hermit crab

Clibanarius virescens
 
3-5cm. Pincers usually equal in size. Legs often striped along their length. Body may be bright orange, red or blue. Sandy, silty, seagrass areas. Commonly seen on many of our shores, larger on our Northern shores. 2cm. Seen near mangroves. 2-3cm. Pincers narrow equal sized. Body and legs black with white spots all over. Coral rubble near reefs. Sometimes seen. 2-3cm. Pincers narrow equal sized. Body and legs black with orange markings. Coral rubble near reefs. Seen once at Sisters Islands.  

Very hairy
hermit crab

Dardanus lagopodes

Spotted orange
hermit crab

Dardanus megistos

Land
hermit crab

Coenobita
sp.
   
1.5-4cm. Very hairy, dusky rose pink, left pincer may be slightly larger. Coral rubble. Rarely seen.
4-8cm. Body red or orange with white spots, hairy claws, usually the left claw is larger than the right. Coral rubble near reefs. Sometimes seen.
3-6cm. Pincers squarish and large, legs thick. Body violet to purple. Found on beaches near the high water mark among debris there. Rocky shore, even near huts at Southern Islands. Commonly seen on our undisturbed shores.    
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photo index of
crustaceans on this site
Crustaceans
all crustaceans

Crabs
all crabs and crab-like

small

body width <2 cm

small with long eyestalks


small porcelain crabs

3 pairs walking legs

medium
body width 3-10cm

large
body width >10cm

swimming crabs
last pair of legs paddle-shaped

hermit crabs
live in shells
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