What is "lophius americanus"

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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Lophius americanus is a goosefish in the family Lophiidae, also called all-mouth, American anglerfish, bellows-fish, devil-fish, headfish, molligut, satchel-mouth, or wide-gape. It is native to the eastern coast of North America.