They live in areas will low levels of dissolved oxygen
They live in densely planted bodies of water
They live in areas with high levels of carbon dioxide
They live in deep bodies of water.
The gene was artificially synthesised in a lab and inserted.
The genes of Glow-worms.
The gene of a deep-sea Jellyfish
The gene of a chameleon.
Various "shark minnows"
Red Tail Catfish
They jump a lot
These fish were documented by an explorer whose last name was "Splashings"
They constantly jump to catch food.
They lay their eggs above water and constantly "splash" them to keep the eggs moist.
Praecox's (Dwarf) Rainbowfish
All of the above
Mega Clown Pleco
Blue Phantom Pleco