Sally Lightfoot Crab (Grapsus grapsus)

            Bartholome Island
Galapagos
Off The Coast Of Ecuador
South America 

Click On Image To Enlarge.

Sally Lightfoot Crab in amongst the rocks on the beach of Bartholome Island in the Galapagos. 

According to Wikipedia, Grapsus grapsus is one of the most common crabs along the western coast of the Americas. It is known variously as, "red rock crab", "abuete negro", and along with crabs such as Percnon gibbesi as, "Sally Lightfoot". The crab is about eight inches in size. 

Grapsus grapsus is found along the Pacific coast of Mexico, Central America, South America (as far south as northern Peru), and on nearby islands, including the Galápagos Islands. It is also found along the Atlantic coast of South America, but is replaced in the eastern Atlantic Ocean (Ascension Island and West Africa) by its congener Grapsus adscensionis. 

This crab lives amongst the rocks at the often turbulent, windy shore, just above the limit of the sea spray. It feeds on algae primarily, sometimes sampling other plant matter and dead animals. It is a quick-moving and agile crab, and hard to catch. Not considered very edible by humans, it is used as bait by fishermen. 

G. grapsus has been observed in an apparent cleaning symbiosis taking ticks from marine iguanas on the Galápagos Islands. 

Grapsus grapsus was collected by Charles Darwin during his voyages on HMS Beagle, and also by the first comprehensive study of the fauna of the Gulf of California, carried out by Ed Ricketts, together with John Steinbeck and others.

Taken on: April 3, 2013

Tags:

Galapagos2013

Bartholome’ Island

South America

Sally Lightfoot Crab

Grapsus grapsus

Eight Inches

Feeds On Algae

Crustaceans

Very Common

Animal

Water

Rocks

Found Along Pacific Coast

By Turbulent Windy Shore

Quick Moving

Agile

Takes Ticks From Iguanas

Charles Darwin

Sue Roehl

Photographic Tours

Natural Exposures

Pentax K-7

55-300 mm Lens

Hand held

Slightly Cropped

NGC « less

Sets appears in: • Galapagos, April 2013

Groups appears in: • Nature Photography • Beauty of Nature more » • Animal Planet • The Nature Conservancy • Fantastic Wildlife • National Geographic Wild Life • **Heart Awards** (P.1 Award 5) Open - Sweeper present • National Wildlife Magazine Photo Group • #4 PLATINUM WILDLIFE/ Post 1 - Award 1 (P2-A2) with CODE • Colors Of The Heart! *Invited Images Only*! • Nature's Carousel - Closed! • Living Jewels of Nature • The Galaxy & Stars 1 (P1/C5 - No AI Images • #3 PALLADIUM WILDLIFE/ Post 1 - Award 5 (P2-A10) with CODE • #2 18K Gold wildlife/ Post 1 - Award 3 (P2-A6) with CODE • Natural World. (P1/C2) • Level 1, The Wonders of Nature / Post 1 Award 4 • NATURE'S SPIRIT (by invitation) (post 1/award 1) • Rainbow of Nature Level 2 : ORANGE (Post1-Award4) • BAT'S LAIR ( P 1 X A 3 ) SWEEPER IN OPERATION • Worldwide Fauna « less

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