'cyclops'

[Mugwump]

...Jan spotted a L144 with only one eye....it's blue....no sign of injury or anything...just one eye.......healthy and all.....

[LizStreithorst]

If it were a Discus you would breed for it, give it a fancy name and get rich

[Mugwump]

If it were a Discus you would breed for it, give it a fancy name and get rich

...LOL................ya think?

[BillT]

There are mutations in zebrafish that make cyclops fish.
However, they are embryonic lethals.
Besides making one eye (in the middle of the forehead) the mutation removes sections of the the brain and the fish does not move much before it dies.