- ... that the whitefin dogfish has light-producing organs on its upper eyelids?
- ... that the spinner shark is named for the spinning leaps it makes out of the water as part of its feeding strategy?
- ...that John Singleton Copley's painting, Watson and the Shark, was based on a real-life shark attack that occurred in Havana, Cuba in 1749?
- ... that, like the related cookiecutter shark, the kitefin shark sometimes feeds by taking bites out of animals larger than itself?
- ... that the first successful artificial insemination of a shark was performed in the cloudy catshark?
