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I have two Dalmation Mollies, and I was just wondering how I could tell if they were a boy or girl.

2007-06-24 14:11:49 · 10 answers · asked by Darien 1 in Pets Fish

One of my Dalmation Mollies looks pregnant. She is fat. She has a long fin under her. But my other Mollie is chasing her and has a short fin underneath.

2007-06-24 14:44:17 · update #1

10 answers

Mollies are livebearers, so they are easy to tell the gender. Males have a rod-like fin called a gonopodium directly beneath their dorsal (top) fin. Females have a "real" fin, not rod-shaped.

~ZTM

2007-06-24 15:39:00 · answer #1 · answered by ZooTycoonMaster 6 · 0 0

the boy seam to chase the girl around alot, and the boy usually always under the girl fish, or you can look under the dalmation molly if it have a long stick thing under it's belly it's a boy, and if it's has a flat fin under it's belly it's a girl fish

2007-06-24 21:40:34 · answer #2 · answered by always right 6 · 0 0

Bang is almost right.

Males have a long, cylindrical gonopodium which is the fin on the belly right before the tail. On females, this fin is in the shape of a triangle.

2007-06-24 21:51:32 · answer #3 · answered by Anonymous · 1 0

Here are some pics, it's easiere to show then to explain

http://www.bbayaquariums.com/black-molly.jpg (Female)

http://www.exiledplanet.org/images/fish/black_molly.jpg (male)

Hope that helps
Good luck

2007-06-24 23:41:14 · answer #4 · answered by Kribensis lover 7 · 0 0

Anal Fin Is Longer with boy girls have more gurth

2007-06-24 21:18:37 · answer #5 · answered by Anonymous · 0 2

if there the same as guppys then the females arent as colorful as the males

2007-06-24 21:37:55 · answer #6 · answered by tkerbag 4 · 0 2

girls have a bigger fin where the poop comes out.

2007-06-24 21:14:40 · answer #7 · answered by Klingon 6 · 0 2

i think the males have more colour on them....

2007-06-24 21:20:47 · answer #8 · answered by Anonymous · 0 2

does it matter?

2007-06-24 21:14:47 · answer #9 · answered by LaLaLie<3 2 · 0 3

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