Florent's Guide To The

Tropical Reefs

Two Horn Box Crab
Two Horn Box Crab
Scientific Name: Calappa bicornis
Family: Calappidae
Category: Box Crab
Size: Up to 2.5 in. (6.5 cm)  
Depth: 30-200 ft. (10-60 m)
Distribution: Indo-Pacific

Invertebrates
Crustaceans
True Crabs

Two Horn Box Crab

Rough Box Crab

Urchin Carry Crab

Olive Purse Crab

Four Ring Purse Crab

Orangutan Crab

Sponge Spider Crab

Channel Clinging Crab

Coral Clinging Crab

Red-Ridged Clinging Crab

Red-Ridged Clinging Crab (yellow-brown color variation)

Gaudy Clown Crab

Common Blue Crab

Ornate Blue Crab

Ocellate Swimming Crab

Achelous floridanus

Blackpoint Sculling Crab

Sargassum Swimming Crab

Blotched Swimming Crab

Redhair Swimming Crab

Nimble Spray Crab

Tidal Spray Crab

Heart Urchin Pea Crab

Blue-Eyed Rock Crab

Green Flat Rock Crab

Banded Clinging Crab

Yellowline Arrow Crab

Panamic Arrow Crab

Shortfinger Neck Crab

Cryptic Teardrop Crab

Spongy Decorator Crab

Sawedged Spooner Crab

Splendid Pebble Crab

Blue Swimming Crab

Red Swimming Crab

Blue-Eyed Coral Crab

Mosaic Boxer Crab

Sea Cucumber Swimming Crab

Harlequin Swimming Crab

Xenia Swimming Crab

Hawaiian Swimming Crab

Charybdis sp. 1

Batwing Coral Crab

Spotted Reef Crab

Convex Crab

Scissor Swimming Crab

Soft Coral Crab

Depressed Spider Crab

Wire Coral Crab

White-V Hydroid Crab

Arrowhead Crab

Zebra Urchin Crab

Yellow-Spotted Guard Crab

Rust-Spotted Guard Crab

Red-Spotted Guard Crab

Two Tooth Guard Crab

Honeycomb Guard Crab

Crowned Coral Crab

Giant Box Crab

Mantis Shrimps
Squat Lobsters
Slipper Lobsters
Porcelain Crabs
Isopods
Skeleton Shrimps
Barnacles
Horseshoe Crabs
Sea Spiders
Shrimps
Hermit Crabs
Boxer Shrimps
Ghost Shrimps
Spiny Lobsters
Reef Lobsters


All Photographs
© 2004-2016 Florent Charpin