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BSc BVMS MPhil (Vet Path) MANZCVS (Aquatics & Pathobiology) DipPM
Ph: +61 (0)421 822 383
Dear Richmond Loh,I came across your information on Koi-vet.com under the ‘Fish Vets Listing’ section and I was wondering if you could possibly help me.
I have recently been investigating and trying to find out the truth behind the issue of Goldfish growth, how it is affected through stunting and what it is in particular that causes stunting to begin with.
There are many rumours, opinions and myths floating around, which makes it hard to discern the facts from the fiction. I was wondering if you could help me with the understanding of this topic. Or know of any papers/research that could help point me in the right direction.
At the moment, the main things I come across when I speak to others, is that stunting is caused due to the fish being kept in small aquaria, poor water quality or under feeding.While I can appreciate these are all valid points, how do these factors cause the growth to cease? Through looking around I have begun to see people say, that due to hormones a goldfish can continue to grow, regardless of it’s tank size, if it has good water quality. It makes me wonder, what hormones they are referring to and the biology behind this? Along with what counts as small aquaria? When is a tank, too small for a goldfish?
Another interesting rumour I’ve heard is that when a goldfish is stunted, it’s body stops growing, but it’s internal organs do not? Is this true?I am also curious, at how a goldfish is affected, if it’s stunted at different sizes. For example is a goldfish stunted at 8 inches, much healthier than one stunted as a juvenile?
If you could provide any answers, or further help, I would be extremely grateful.
Thank you for your time,May I wish you the best for the future,
Ms A. Taylor