Here's the story; I have been stocking up my 30 gallon with glowlight tetras as of late, 4 at a time and once per week, up to 12 tetras. (The tank already had 3 corydoras, 2 Amano shrimp, and 1 nerite snail, so I didn't want to overstock...) One of the tetras began lately swimming *quite* oddly...

I just bought 4 glow lights and the smallest one does not have coloration in his dorsal fin. Just wondering if it is because he is a baby or should I be worried? The two other small ones seem to bully him a little, they could just be playing not sure. Any insight would be nice....:confused1:

Thought I would start up a site for my Tank: (I know it's a little overstocked, but changing water x2/wk.) Fluval Flora 7.9 Gallon (wet start 10/24/14) Aquarium Inhabitants 4–Nerite snails (2): Neritana natalensis “Zebra”...