Access
This article is part of Nature's premium content.
Published online 23 July 1998 | Nature | doi:10.1038/news980723-9
News
Fiddler crabs see predators above the horizon
Male fiddler crabs greet other fiddler crabs they encounter by stopping and waving their claws, either as a courtship gesture to a female or a sizing-up manoeuvre towards another male. But when a predator passes they either freeze or scuttle away rapidly into their burrows.
To read this story in full you will need to login or make a payment (see right).
Comments
Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email redesign@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.