Growth variations

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Tandanus

Aquarium Advice Freak
Joined
Apr 24, 2013
Messages
298
Location
I live in Adelaide Australia
My Herichthys carpintis fry are approximately 9 weeks of age now. I would say there are around 250. They are still with their parents who continue to defend them and are still displaying their breeding dress. The question I have : Is it normal for fry to have dramatic differences in growth rate? They are housed in a 5ft tank. I do two 50% water changes weekly. The water parameters are good. They are fed 3 times daily (nls grow) All appear very healthy despite the size differences. They range in size : 2cm to less than 1cm.
 
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