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Old 05-01-2012, 11:19 AM   #1 
surprize30
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Arrow easyest ways to tell a betta fish gender??

name some easy ways for people to tell what a betta fish is!
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Old 05-01-2012, 11:26 AM   #2 
Sena Hansler
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white egg spot: all females have it. however some young males have it

rounded belly: also known as eggy. a male betta will be slim, a female will be fat-looking, as she carries eggs.

anal fin: females have shorter anal fins - actually, shorter fins than any male (asides from plakat)

beard: Males have beards lining their faceplates, and can be noticed when they flare.

MSICONCEPTIONS: "males only flare". No, females do too. Females also make bubble nests. These two should not determine gender :) go with appearance rather than behavior.
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Old 05-01-2012, 11:36 AM   #3 
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Looks like I'm going to have to change my avatar now...

Males have long ventrals, usually close to the length of their anal fin.

Females have smaller beards then males, you normally only see a female's when she is flaring.

Juvenile males can easily and quite often do, have egg spots- it tends to be more common in the plakat line.. it helps to fool larger males into thinking the juveniles are females, and therefore have a better chance at not being attacked.

And everything else Sena mentioned. It's very easy to spot an adult, or even juvenile male/female. Fry, not so much.
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Old 05-01-2012, 12:01 PM   #4 
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Fry are very difficult until they've grown their fins MJ was like that. the largest fry, and still couldn't tell! xD it's easier to tell from usually... someone correct me....5-6 months and older? depending if they were stunted or not as well, because some fry take forever to grow.
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Old 05-01-2012, 12:31 PM   #5 
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out of my spawn i have one male who's anal fin is about the length of a female's. In fact i almost sold him as a girl to another member :X

But for the most part, even on pk's look for a pronounced egg spot (males have a tiny white spot that can fool you), long anal fin, longer dorsal fin.
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Old 05-01-2012, 12:34 PM   #6 
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Way before then.. their fins continue to grow until around 7 months, and they tend to be sold around 2-3 months at the stores.

This is about as accurate as one can get when it comes to measurements. This is average, have to keep in mind water conditions and feeding habits/food do make differences in their sizes.

Betta egg: 0.03 inches in diameter

One day old fry: 0.1 inch long (The tail doesn't show at this scale)

One week old: 0.2 inches long.

Two weeks old: 0.25 inches long. (Starting to show dorsal fins.)

Three weeks old: 0.34 inches long

Four weeks old: 0.45 inches long on average.

Five weeks old: 0.6 inches long. Size ranges from .5 to .75 inches.

Six weeks old: 0.85 inches long. The largest are over an inch.

Seven weeks old: 1.1 inches long.

Eight weeks old: 1.3 inches long.

Nine weeks old: 1.55 inches long.

Ten weeks old: 1.7 inches long

Eleven weeks old: 1.9 inches long
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Old 05-01-2012, 12:39 PM   #7 
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thanks xD I knew I was off Although pet stores tend to sell them at 6-13 months... well here, anywho :)
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Old 05-01-2012, 12:54 PM   #8 
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True, I guess it depends on when the breeder(s) are finished with some of them before they ship them off to the store- which could be at an older age most definitely. I got one that was about a year old when I purchased him. So it does change depending upon location and breeding.
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Old 05-01-2012, 12:58 PM   #9 
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yeah here it's wholesalers >< Then again Spartan was like 6 months when I got him, Red is still growing, but the others are old :p
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