07-22-2008, 08:08 PM
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Originally Posted by joelfish
I have been looking foward to their growth so i have a reason to get a bigger tank but these guys haven't been growing. I've had them form like 4 or 5 months and their all the same size.
Fish release hormones into the water which inhibit their growth. When overstocked they will exhibit very little growth. This is the case in your aquarium, which is not big enough to keep even a trio of adult Tinfoil Barbs. These same hormones cause the internal organs of the fish to develop improperly and will result in visual growth deformities, as well as a weak immunity system.
Most hobbyists never have the "opportunity" to see this occur because fish in these setups rarely live longer than 18 to 24 months, despite having a natural lifespan in excess of 10 years.
Don't feel bad. This is a very common mistake. Fishkeepers should not wait for fish to grow to get a larger tank. In fact, getting the larger tank will encourage proper growth and development.