What is "lophius piscatorius"

Monkfish \Monk"fish\, n. (Zo["o]l.)

1. The angel fish ( Squatina).

2. The angler ( Lophius), esp. the goosefishes Lophius Americanus in America and Lophius piscatorius in Europe, used for food.
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Angler \An"gler\, n.

1. One who angles.

2. (Zo["o]l.) A fish ( Lophius piscatorius), of Europe and America, having a large, broad, and depressed head, with the mouth very large. Peculiar appendages on the head are said to be used to entice fishes within reach. Called also fishing frog, frogfish, toadfish, goosefish, allmouth, monkfish, etc.

Lophius piscatorius, commonly known as the angler, is a monkfish in the family Lophiidae. It is found in coastal waters of the northeast Atlantic, from the Barents Sea to the Strait of Gibraltar, the Mediterranean and the Black Sea. Within some of its range, including the Irish Sea, this species comprises a significant commercial fishery.