Cobalt Blue Crystal

Cobalt Blue Crystal
What is the best name out of this list?

-Kiko
-Bolt
-Balto
-Cobalt
-Sterling
-Shadow
-Silverstar
-Moonshine
-Solstice
-Stardust
-Zing
-Lightning
-Rain
-Kripto
-Krisanthumum
-Sapphire
-Emerald
-Crystal
-Diamond
-Ruby
-Teal
-Turquoise
-Azul
-Dori
-Flo
-Hibiscus
I'm naming my new blue betta fish, so I'm not like a freak naming a new baby, lol =D

kiko
rain
teal
dori
flo
the other names are to serious its just a fish