Why the fish on your plate might not be the monk you think
In short: The name monkfish is a culinary label for several species of anglerfish, but it is also shared with an entirely different creature: the angelshark. While prized by commercial fleets for their value, these bottom-dwelling predators are increasingly caught in a debate over sustainable fishing practices and habitat protection.
The genus Lophius, commonly known as monkfish, comprises seven extant species of anglerfish found across the Atlantic and Indian Oceans. These fish are easily identified by their highly compressed bodies and heads, which feature distinct frontal ridges and a series of spines, including a prominent one on the parietal bone. The name Lophius itself is derived from a word meaning mane, a likely reference to the three tentacle-like spines on the first dorsal fin used to lure prey.
In the waters of north-western Europe, the two primary species of interest are Lophius piscatorius, the white anglerfish, and Lophius budegassa, the black anglerfish. While they share similar deep-water habitats, they can be distinguished by the colour of their peritoneum—white in the former and black in the latter—and minor variations in their dorsal fin ray counts. These species are commercially significant, typically harvested by trawl and gillnetting fleets, and are the only members of the genus permitted to be sold as monkfish under UK labelling regulations.
The sustainability of these fisheries remains a point of contention. Because monkfish are frequently caught using beam trawling, a method often criticised for its destructive impact on seafloor habitats, the industry faces ongoing scrutiny. This tension reached a notable peak in February 2007, when the British supermarket chain Asda removed monkfish from its inventory due to these environmental concerns. As management agencies monitor the mixing of northern and southern stocks, the future of this commercially valuable catch remains a complex challenge for marine conservationists.
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- Summary by Intellect · source: Lophius
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