Based on anatomy, ophidiid fishes, or cusk-eels, are likely one of the chief sound producers.
From the sciencedaily.com
Cusk gazes at herself unblinkingly, and judges harshly what she sees.
From the guardian.co.uk
Cusk makes you think differently and look differently, even if you don't agree with what she's saying.
From the guardian.co.uk
Cusk is at her best at capturing the psychological make-up and mannerisms of particularly unpleasant people.
From the independent.co.uk
Cusk eels about 1.5 metres long and scavenging crustaceans called amphipods made short work of the meat offering, according to the expedition scientists.
From the nzherald.co.nz
More examples
The lean flesh of a cod-like fish of North Atlantic waters
Large edible marine fish of northern coastal waters; related to cod
Burbot: elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth
The cusk or tusk, Brosme brosme, is a marine cod-like fish in the ling family Lotidae. It is the only species in the genus Brosme. Other common names include brismak, brosmius, torsk and moonfish. - at Agriculture and Agri-Food Canada
A large saltwater fish related to the cod. It has a firm, lean flesh. Also called "tusk" or "torsk."