 Occasionally, they also feed on crustaceans and molluscs, as well as on dead fish drifting down from above.Most of the time, the deepsea lizardfish maintains a motionless stance on the substrate, with head and fore-body raised, waiting for prey.Being well equipped to pursue and devour whole prey, it captures it by lunging forward in a sudden rapid burst, accompanied by a snap of its trap-like jaws.