Hairy squat lobster (Lauriea siagiani) amongst a pink and orange colored sponge, Tulamben, Bali, Indonesia, Southeast Asia, Asia

Small Sponge Crab, Dromia dormia, Kai Islands, Moluccas, Indonesia

A Caribbean reef octopus (Octopus briareus) explores the seafloor of a shallow reef off the coast of Belize. This intelligent cephalpod ranges throughout the Caribbean feeding on lobster, crab, and small fish.

A tiny hard coral crab can be found burrowing in between the polyps of the coral, Anilao, Philippines.

Pink hairy squat lobster (Lauriea siagiani) inside a pink barrel sponge, Lembeh Strait, Bitung, North Sulawesi, Indonesia.

A soft coral crab, sometimes known as a candy crab, Anilao, Philippines.

Mosaic boxer crab (Lybia tessellata) with anemone pom-poms, Tulamben, Bali, Indonesia.

Goby with a hermit crab, Australia.

Little nipper crab (Geograpsus grayi), at night on the Volivoli Resort grounds on Viti Levu, Fiji, South Pacific, Pacific

Cryptic teardrop crab (Pelia mutica), Nice red crab sitting on cream sea fan with black background, Honduras, Caribbean.

red Ridged Clinging Crab (Mithrax forceps) nice profile of crab's head and claws in a small dark cavern, Cayman Brac, Cayman Islands, Caribbean

Tiger Snake Eel - Myrichthys tigrinus - burrowing amongst bottom debris, in this image can be seen with a small crab in it's mouth. Galapagos, Pacific Ocean

Crab crossing caution street sign on only road Big Corn Island Nicaragua Central America

Many of the small green crabs are in the basket in the harbor in Alvor, Portugal. Fishermen use crabs as a bait for octopuses

Many of the small green crabs are in the basket in the harbor in Alvor, Portugal. Fishermen use crabs as a bait for octopuses

Small crabs used as bait in octopus traps in Alvor, Algarve, Portugal, Europe

Beach with small waves, Red Rock Crab (Grapsus grapsus) and an island on the horizon, Punta Cormorant, Floreana Island, Galapagos Archipelago, Ecuador, South America, Pacific Ocean

Sand crab on beach, West Kimberley, Western Australia, Australia

[DC] Indonesia, Fiddler crab (Uca) in mangrove forest.

Bug-eye Squat Lobster (Neomunida olivarae), also known as a colored squat lobster or the google-eyed fairy crab, Dumaguete, Philippines

The Hawaiian Swimming Crab (Charybdis hawaiensis) adult is about 3 inches across it's carapace, Hawaii, United States of America

sibling at poolside looking at small crab, Grand Cayman, Cayman Islands

A small Red-Spotted Guard Crab (Trapezia tigrina) keeper of the corals of the bateau pass, Mayotte