5 Interesting Facts About Sally Lightfoot Crabs

Sally Lightfoot Crab

This is a sally lightfoot crab relaxing on a rock (Photo by Will Burrard-Lucas)

Today I want to write about a very colourful species of crab, the sally lightfoot crab.

Here are five interesting facts about them:

  1. These brightly coloured crabs are also known as red rock crabs and have a shell that grows up to 8 cm wide.
  2. They are called lightfoot crabs as they are very fast and nimble, making them very difficult to catch.
  3. They mainly eat algae from the rocks, but will also eat carrion, or any small prey that they can catch and kill.  They also remove ticks from marine iguanas.  They have a very important role to play in their ecosystem as they clean up the beaches and provide an important source of food for a range of large birds, octopuses, sea turtles and moray eels.
  4. The babies are called zoea and measure just half a millimetre across.
  5. Sally lightfoot crabs are very common and can be found on rocky shorelines in tropical North and South America and on nearby islands in the Pacific and Atlantic Oceans.

I hope that you found these facts interesting and learned something new.

Are there any other interesting facts that you would like to share about sally lightfoot crabs?

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