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The mudskipper is a fish that spends most of its time out of water and can “walk” on its fins. It carries a portable water supply in its gill chambers when it leaves the water. It can also breathe through the pores of its wet skin

Although the fangtooth fish is only a few inches long, it has teeth about the size of a human’s

Most brands of lipstick contain fish scales

Lungfish can live out of water for several years. It secretes a mucus cocoon and burrows itself under the unbaked earth. It takes in air with its lung through a built-in breathing tube that leads to the surface. A lungfish has both gills and a lung

Most fish reproduce by laying eggs, though some fish, such as great white sharks, give birth to live babies called pups

The word "halibut" means "holy flatfish" (hali=holy + butte=flatfish) because it was only eaten on holy days