Common Guard CrabTrapezia 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 CrabSchizophroida hilensis
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 CrabTrapezia tigrina
Rusty Guard Crab
Trapezia bidentata
(1: Kaloko Arches, Kona / 2: Two Step, Kona)
Sea Cucumber CrabLissocarcinus orbicularis
These live on sea cucumbers, and are usually pretty tiny.
Seven-Eleven CrabCarpilius 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)
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