BN? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 9 Old 11-25-2009, 03:50 AM Thread Starter
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Question BN?

wats the youngest age before u can tell the sex of a bristle-nose cat?

the types fish that i have r?
mollies 4 normal 1 sailfin
platies 4
guppies lots
swordtails 8 normal 1 bouble swordtail
bristle nose catfish-5 albino 5 normal
white clouds
2 albino and 1 bronze corydoras
Zebra danios 4 normal 1spotted 1 albino longfin
1 Betta red/blue/purple
bristle nose fry
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post #2 of 9 Old 11-25-2009, 04:56 AM
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Can only speak about the longfinned albino Bristlenose that I keep. It was nearly eight months or three inches before I could determine whether they were male or female.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #3 of 9 Old 11-25-2009, 11:46 PM Thread Starter
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ok thanx

any1 else know?

the types fish that i have r?
mollies 4 normal 1 sailfin
platies 4
guppies lots
swordtails 8 normal 1 bouble swordtail
bristle nose catfish-5 albino 5 normal
white clouds
2 albino and 1 bronze corydoras
Zebra danios 4 normal 1spotted 1 albino longfin
1 Betta red/blue/purple
bristle nose fry
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post #4 of 9 Old 11-26-2009, 10:03 AM
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It wasn't until my ABN was three inches before I knew she was a female. It seems it was about seven to eight months before she was three inches so it seems my ABN grew at the same rate as 1077's. HTH

If you don't stand up for something you'll fall for anything...
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post #5 of 9 Old 11-27-2009, 01:49 AM Thread Starter
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so would it be the same for the normal 1ns?
how old before u can determan a male?

the types fish that i have r?
mollies 4 normal 1 sailfin
platies 4
guppies lots
swordtails 8 normal 1 bouble swordtail
bristle nose catfish-5 albino 5 normal
white clouds
2 albino and 1 bronze corydoras
Zebra danios 4 normal 1spotted 1 albino longfin
1 Betta red/blue/purple
bristle nose fry
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post #6 of 9 Old 11-27-2009, 02:06 AM
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Research I have done with regards to your question indicates 8 months or there abouts.Perhaps some research on your part will yield more information on these fish.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #7 of 9 Old 11-27-2009, 04:32 AM Thread Starter
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thanx
and i have done reseach

the types fish that i have r?
mollies 4 normal 1 sailfin
platies 4
guppies lots
swordtails 8 normal 1 bouble swordtail
bristle nose catfish-5 albino 5 normal
white clouds
2 albino and 1 bronze corydoras
Zebra danios 4 normal 1spotted 1 albino longfin
1 Betta red/blue/purple
bristle nose fry
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post #8 of 9 Old 12-20-2009, 02:03 AM
I think I have to follow up (sorry for the late reply...I just found the thread). My BN is just showing his sex IMO based on what I've read because his "bristles" on his face are starting to fork and just in the last week have really developed. This, I've read, is a sign of him being a male. Until now I thought it was a female.

Besides the bristles, I have no way of knowing what sex it is...I've never sexed any fish unless they are clearly pregnant, in which case I know they are female : )

Stephanie's updated tank profiles:
29 gallon 10 gallon
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post #9 of 9 Old 12-20-2009, 05:36 AM
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Mine is about 3 inches long now and starting to show some nice bristles on his face. I don't know how old he is - I just bought him. He was the only one in the tank with bristles in the tank so I assume he was the only male.

I stupidly assumed these would be long finned since they had a big beautiful display of adult long finned BN's. How soon can you tell if they will be long finned or not?
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