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Camouflages with seaweed on its head.

Characteristics

A small crab with a shell size of about 3 cm. It camouflages itself by wearing seaweed on its head. Body color varies from red to green. The shape of the shell differs between males and females, with females having a wider shell, while males have a triangular shape.

Picture of Common Moorhen

Ecology

It mimics the surrounding seaweed to live. During the day, it hides in seaweed and becomes active at night.

Habitat

Hayakawa beach at night

Taken during a night dive. It also had two pieces of seaweed on it. It looked quite conspicuous when I saw it in a place where there was no seaweed around.

Pictures

Introducing a picture of ---.

Picture of ---1|Seaweed is attached to the head.
Seaweed is attached to the head.
Picture of ---2|It is a red individual.
It is a red individual.
Picture of ---3|The scissors are small.
The scissors are small.
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Pictures of ---.

Picture book

Bufflehead

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