The fact: An electric eel can generate 600 volts, more than twice the output of the mains, using muscles modified to produce electricity over movement.
The story: When Somerset vet Felicity Giblet rescues two huge white kittens from an abandoned caravan in Wallop Woods, little does she know that they are a newly discovered breed of Arctic wildcat, equipped with the most shocking means of killing prey. Utterly besotted, she rears them as normal moggies, and a catalogue of disasters ensues. Wildlife is decimated, computers and electrical gismos go haywire, and the local cattery burns to a cinder, yet she finds a perfectly reasonable explanation for everything. Until, that is, her darling Mister Fluffy Pants is kidnapped and whisked away to deepest, darkest Siberia.