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Small red hyperiid.
slideshow

The Hyper Eyes of Hyperiids: How Some Shrimp-Like Creatures See Light in the Deep Sea

Hyperiid amphipods are small crustaceans related to sand fleas and distantly...
Tue, 08/19/2014 - 10:47
This aptly named fish has two long fangs.
slideshow

Creepy Critters: Marine Life Surfaces for Halloween

Claws, spines, spikes, tentacles, and fangs. Aliens, monsters, and ghostly...
Wed, 10/27/2010 - 13:56
This male dancing fiddler crab (Uca terpsichores) has built a sand “hood” at the entrance to his burrow, which he hopes will attract females to his humble abode—as if that big beautiful claw of his weren't enough!
Personal Perspectives

The Design of a Beautiful Weapon

This summer, many of you have likely enjoyed feasting on crabs, be they blue,...
September 2013
A screenshot from the video showing a fiddler crab with a large claw.
video

Claws Out: Fiddler Crabs Do Battle

Male fiddler crabs each have a single super-sized claw that they use as a weapon to...
Tue, 09/03/2013 - 16:18
This crab was collected on a NOAA/MAR-ECO cruise to the Mid-Atlantic Ridge in 2009.
Photo

Spiny Deepsea King Crab

This crab (Neolithodes sp.) was collected on a NOAA/MAR-ECO cruise to the...
A male mudflat fiddler crab (Uca rapax) waves its huge claw to impress females and threaten competitors.
Photo

The Mudflat Fiddler Crab

A male mudflat fiddler crab (Uca rapax) waves its huge claw to impress females and...
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