Sally Lightfoot or red lava crab, Fernandina (Narborough) Island, Galápagos Islands, Ecuador, South America.

Sally Lightfoot or red lava crab (Grapsus grapsus) at Punta (Point) Espinoza, on Fernandina (Narborough) Island, Galápagos Islands, a province of Ecuador, South America. Grapsus grapsus is one of the most common crabs along the western coast of South America, and can also be seen along the entire coast of Central America and Mexico and nearby islands. This crab has five pairs of legs, the front two bearing small, blocky, symmetrical chelae. The other legs are broad and flat, with only the tips touching down. The crab's round, flat carapace is just over 8 cm (3 inches) in length. Young crabs are black or dark brown in color and camouflage well on the black lava coasts of volcanic islands. Adults are quite variable in color. Some are muted brownish-red, some mottled or spotted brown, pink, or yellow. The ones seen on photographs of tropical island fauna are often bright orange or red with stripes or spots dorsally, blue and green ventrally, and sporting red claws and pink or blue eyes. This crab lives amongst the rocks at the often turbulent, windy shore, just above the limit of the seaspray. It feeds on algae primarily, sometimes sampling plant matter and dead animals. It is a quick-moving and agile crab, and hard to catch, but not considered very edible by humans. It is used as bait by fishermen.

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Image Size: 4800x3836 / 4.1MB; http://www.photoseek.com/; Animalia Ecuador South America adventure animal coast equator nature ocean sea sea life travel water wildlife animal
Contained in galleries: MEXICO: favorites, ECUADOR: Galapagos Islands

Sally Lightfoot or red lava crab (Grapsus grapsus) at Punta (Point) Espinoza, on Fernandina (Narborough) Island, Galápagos Islands, a province of Ecuador, South America. Grapsus grapsus is one of the most common crabs along the western coast of South America, and can also be seen along the entire coast of Central America and Mexico and nearby islands. This crab has five pairs of legs, the front two bearing small, blocky, symmetrical chelae. The other legs are broad and flat, with only the tips touching down. The crab's round, flat carapace is just over 8 cm (3 inches) in length. Young crabs are black or dark brown in color and camouflage well on the black lava coasts of volcanic islands. Adults are quite variable in color. Some are muted brownish-red, some mottled or spotted brown, pink, or yellow. The ones seen on photographs of tropical island fauna are often bright orange or red with stripes or spots dorsally, blue and green ventrally, and sporting red claws and pink or blue eyes. This crab lives amongst the rocks at the often turbulent, windy shore, just above the limit of the seaspray. It feeds on algae primarily, sometimes sampling plant matter and dead animals. It is a quick-moving and agile crab, and hard to catch, but not considered very edible by humans. It is used as bait by fishermen.