Setting up my first goldfish tank (need help). - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 14 Old 12-20-2010, 07:13 PM
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Sexing them at such a young age is very tricky unless these are already stunted. I'd buy your goldfish from local breeders if I were you so you can be sure your goldfish are still not stunted.

Try reading this.

Sexing Goldfish | Goldfish

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post #12 of 14 Old 12-21-2010, 01:11 AM Thread Starter
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Would this method help with small, immature goldfish?

What does "stunted" mean?

small fry,

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post #13 of 14 Old 12-21-2010, 01:38 AM
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Stunted fish are fish whose growth has been affected negatively due mainly to small tank size, and sometimes poor diet.

In a nutshell, fish secrete a hormone into the water that slows their growth. The higher levels of hormone that they sense in the water, the less they grow. In the wild, this stops fish from growing really big and having to feed a big body if they are in a pond/area that is too small for them (or crowded with other fish who are competing for food). In an aquarium, however, the effects of stunting are very dramatic and cause problems in bone structure, internal organs, etc. The three guaranteed ways to prevent stunting are:
a) Get them a big enough tank.
b) Change the water regularly.
c) Feed a nutritious diet.
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post #14 of 14 Old 12-21-2010, 09:44 AM Thread Starter
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Sounds alot like bettas. If you change bettas water everyday when they are young, they will be at show size in less than 3 months.

That is exactly why I want to get a young goldfish. The tanks with young fish are generally not nearly as overstocked as with big fish. I always look at the stock of the fish when I look at them at the store. I will be extra careful, now. That is, unless I have to buy them from a breeder? Sounds expensive and hard to arrange.

small fry,

FireOasis - 3g
Zachary the Halfmoon Plakat

CichlidHaven - 55g (under construction!)
0.0.7 Black Widow Tetra
1.0.1 Convict Cichlid
0.1.0 Firemouth Cichlid

HermitBase - 10g
Zephus & Monoculus the Purple Pinchers (Coenobita clypeatus)

BreedingProjects
x1 Convict Cichlid Pair (actively breeding)
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