The largehead hairtail has a long and slender body.

Deep-sea fish have undergone various evolutions due to the harshness of their habitat.

The Japanese grenadier anchovy is a fish species unique to Japan and is particularly valued for its delicious taste.

The primitive salamander is a species unique to Japan and is a very rare creature.

I go to the mountains on weekends to enjoy forest bathing.

She used her depressor labii inferioris to lower the corners of her mouth.

The Arctic Ocean is the coldest sea on Earth.

He was repressing his emotions.

He is a very greedy person.

The lateral pterygoid muscle is one of the muscles used to open the jaw.