121K views · 3.1K reactions | Just saying hey 呂 These male fiddler crabs use their oversized claw to dig, duel, and call the ladies into their burrows. | National Geographic Animals | Facebook

1.7K views · 53 reactions | Have you heard of the Fiddler Crab, aka Uca? This is one of the most common crabs in the marsh, and is distinct because of the males having one large claw. Listen to this episode of #Beachcombing to learn more about this interesting crab. | Mission-Aransas Reserve | Facebook

1.7K views | Meet Rex the Peacock Mantis Shrimp. He's still a little guy but takes care of this Fiddler crab!#mantisshrimp #saltwatertank #badass | Mantis Shrimp | Facebook