Marine Life‎ > ‎Hawaii‎ > ‎Invertebrates‎ > ‎

Crabs

Common Guard Crab

Trapezia intermedia

 
(1: Happy Talk, Kauai / 2: Hale O Honu, Kauai)

Convex Crab

Carpilius convexus

  
(1: The Dome, Kona / 2: Mala Pier, Maui / 3: Dog Beach, Kona)

Hawaiian Pom-Pom Crab

Lybia edmondsoni

 
(1-2: Kaloko Arches, Kona)

This small crab carries an anemone in each claw to use for defense and possibly hunting.

Hawaiian Swimming Crab

Charybdis hawaiensis

  
(1: Pawai, Kona / 2: Makena Landing, Maui / 3: Buoy 2, Kauai)

Hilo Collector Crab

Schizophroida hilensis

(1: Mala Pier, Maui)

Red Swimming Crab

Gonioinfradens paucidentata

  
(1: Three Fingers, Kauai / 2: Mala Pier, Maui / 3: Mile Marker 4, Kona)

The first one is eating a brittle star.

Red-Spotted Guard Crab

Trapezia tigrina

 
(1-2: Sea Tiger, Oahu)

Rusty Guard Crab

Trapezia bidentata

 
(1: Kaloko Arches, Kona / 2: Two Step, Kona)

Sea Cucumber Crab

Lissocarcinus orbicularis

(1: Cliffhanger, Kauai)

These live on sea cucumbers, and are usually pretty tiny.

Seven-Eleven Crab

Carpilius maculatus

  
(1: Dog Beach, Kona / 2: Mile Marker 4, Kona / 3: The Dome, Kona)

Sleepy Sponge Crab

Dromia dormia

    
(1: Mala Pier, Maui / 2: Sea Tiger, Oahu / 3: Pinnacles, Oahu / 4: Corsair, Oahu / 5: Cliffhanger, Kauai)

Splendid Pebble Crab

Etisus splendidus

     
(1: Menpachi Caves, Lanai / 2-3: Harbor Ledges, Kauai / 4: Niihau Arches, Niihau / 5-6: Hale O Honu, Kauai)

Yellow-Spotted Guard Crab

Trapezia flavopunctata

       
(1: Harbor Ledges, Kauai / 2: Three Fingers, Kauai / 3: Brennecke's Ledge, Kauai / 4: Olowalu, Maui / 5-7: Hale O Honu, Kauai / 8: Pahoehoe Beach, Kona)

This one has eggs underneath:
 
(1: Harbor Ledges, Kauai)