The FWB has circumvented a pet ban by buying an aquarium, and is now researching which fish she should stock it with.
Google led her to the Japanese ricefish, or Medaka, the only species of vertebrate attested to have had sex in space.
It wasn’t easy for the Medaka. It took them hours. Many candidates reacted to the strains of zero gravity by looping the loop compulsively. But in the end, four heroic ricefish were sent up on Columbia in 1994, and several hundred of them came down.
I find it shocking that these creatures beat my beloved worm into space. But they have one more thing in common with c.elegans: there are lab stocks marked in interesting ways with GFP. All we have to do now is to get hold of some.