Like this: https://www.thesprucepets.com/glowlight-tetra-1381833 They have one at school The one the have is like the one in the photo but it also has yellow stripes on it’s tail

Actually it looked more like this one: https://www.tropicalfishplanet.com/glowlight-tetra-hemigrammus-erythrozonus/

There was also a silver dollar fish, which looks like this: http://fishtankadvisor.com/silver-dollar/ They’re grey with silver spots along their back The one there had more spots than this one tho

Ikrrrr