Tang Growth

[reefbyremote]

I have had a hippo and yellow in a 90 g. Both started at 3-4 inches and have only grown an inch (at best) in 2-3 years. I think I feed a bit sparingly but there has never been any aggression etc.

I imagine genetics, food type, and cough... tank size... play into it. I just upgraded to a 150 g so it will be interesting to see what happens to growth now.

[mark]

Would say my Purple Tang is about the same size as when I got him about 11 years ago (~4"). The Regal has grown maybe 2" over the 6 years I've had him (to ~6").

[Aquattro]

To add to this, my Emperor Angel hasn't grown either.

On the dominance thing, I'd expect that could impact rate, but not sure if that would span species?

[fishytime]

fish release a pheromone into the water column.... when this pheromone reaches a saturation point it triggers a reduction in the growth rate in the fish.....so in a way tank size can have an effect on growth rate do to the time it takes for the pheromone to reach its saturation point in a given tank.....the smaller the tank, the quicker this saturation point will be reached.....this will vary a lot of course depending on water change schedules and volumes.....diet will also play a part and so will stress.....