The predators included a former church music director and a former police officer in his 60s.
Its natural predators include small cats, birds of prey, and snakes.
Other predators may include birds, although information is scarce.
Predators of black seadevils are not well known, but include lancetfish.
Common natural predators include gray wolves, coyotes, and mountain lions.
Potential predators of the night shark include larger sharks.
Natural predators include wolves, brown bears and American black bears.
Other predators would include the crocodile and fish eagles.
Predators may include great white sharks and killer whales.
Predators include Pacific cod, river otters and red rock crab.