As soon as he saw the hulking, bone-white carcass of an ocean sunfish sloshing in the waves offshore of the Azores archipelago, José Nuno Gomes-Pereira suspected the animal might be a record-breaker.

“He recently passed away. So we’ve been going through his things and we found the picture and remembered the story so we posted it on Facebook in hopes to find the owner.” ...

The type of eel-like fish, which recently went on display in Canada, is a fascinating denizen of the deep sea. The museum’s specimen was caught ten years ago in Queen Charlotte Sound (map), off the ...