This is going to be my 1st setup, chime in! - Page 5 - Tropical Fish Keeping - Aquarium fish care and resources
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post #41 of 46 Old 02-29-2008, 06:35 PM
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The biggest difference is the shape of the vent, but quite often this isn't something that can be seen unless the fish are adult and spawning, where the female's vent is more exposed.
In young angels, its pretty much impossible to know for sure, which also makes the idea of getting a pair or 1 male/3 females near impossible to achieve. Keeping them in even numbers will provide them the best safety from one another, never leaving an odd one out if 2 should pair up later.

Dawn Moneyhan
Aquatics Specialist/Nutritionist
Juneau, WI
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post #42 of 46 Old 02-29-2008, 10:48 PM
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sorry but, vent?

55 Gallon Aquarium
1 Black Kuhli Loach
3 Black Skirt Tetras
4 Angelfish (3 Marble, 1 Gold)
1 Glass Fish
2 Blue Sunset Gourami
3 African Dwarf Frog
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post #43 of 46 Old 03-01-2008, 01:51 AM
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vent = ovipositor, aka egg tube.

On the female, when the vent is sticking out, it is different shape than that same organ in the male which releases sperm. The shape of the opening on a female is oval or long shaped, the male is more round. Until the fish is mature and usually even then only when spawning is happening, will this "tube" be visible enough to tell the difference between the 2. Many breeders know male from female more because they watch who's laying the eggs.

Dawn Moneyhan
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Juneau, WI
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post #44 of 46 Old 03-01-2008, 09:49 AM
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do stores usually have more males than females or vice versa? or is it usually pretty even?
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post #45 of 46 Old 03-01-2008, 12:43 PM
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Considering that stores typically only stock young angels, there is really no way to know which are which. When you work with young ones you sort of just take your chances and see what they grow up to be.

The only way to have a good chance of making sure you have both male and female is to start out in a very very large tank with a big group (even numbers) and grow them up until they are sexable, keep the pair and get rid of the rest. Again, this would require a very very large tank. 200+ gallons for something like this would be a minimum and only temporary.

Dawn Moneyhan
Aquatics Specialist/Nutritionist
Juneau, WI
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post #46 of 46 Old 03-01-2008, 02:11 PM
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well i wish i could have a 200 gal tank!
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