Juvenile Japanese spider crabs will do this, but with few predators at the depths in which they live, adults of this species don’t have to dress to impress. Japanese spider crabs migrate to the ...

When a predator approaches, it changes its colour and its shape to blend in with its surroundings. The scorpion spider crab is covered in sharp spikes. These spikes enable the crabs to create ...

This coloration serves as camouflage among rocky substrates, helping it to hunt and avoid predators. The European spider crab (Maja squinado) is native to the eastern Atlantic Ocean and ...

Huntsman spiders are carnivorous predators that feed on insects ... Another large species is the giant crab spider, also known as the brown huntsman spider, which can have legs up to 10 inches ...

The two are so similar that predators -- mainly birds -- avoid ... even change color to blend with new surroundings, like the crab spider that changes from white to yellow when it moves from ...