What do fish that live in the deep-sea look like?

What do fish that live in the deep-sea look like?
The fish of the deep-sea look stranger than the normal. The world that they live in is very strange. No sunlight reaches their depths, so most of them have their own light. Food is scarce too, and so many of them have wide gaping mouth to catch whatever prey that comes near. Angler fish, lantern fish and cookie cutter shark are some deep-sea fish.

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