...this genre of headlines was so prevalent it attracted its own meta-commentary:
1. What the hell is going on with catfish?
2. Giant Catfish swallows Dachshund in the Weser – did it really happen or is it Fake News?
There's even a song dedicated to "Killer-Catfish Kuno", a quasi-mythical dachshund-eating catfish responsible for a lot of headlines in the early 2000s: