The bright coloring of these adult crabs make them very visible just at water's edge. Immature crabs are smaller and darker. They feed on algae as well as dead fish, birds and seals. They can get out of harm's way quickly, which is where they get the name "Lightfoot."

More Galápagos Islands Photo Gallery

Read about the Galápagos Archipelago and

the Galápagos Islands

Photograph thanks to ArtToday.com

Descriptions and help from:

• Ecuador and its Galapagos Islands
  by David L. Pearson and Les Beletsky
• Galapagos Islands Born of Fire
  by Tui De Roy