red tailed rasbora help - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 3 Old 02-01-2013, 05:55 AM Thread Starter
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red tailed rasbora help

Hoping someone out there can help me tell the sex of my three rasboras. These are the best out of 10 photos i could get out of these speed demons cause they kept running from the camera and hiding behind their tank mates
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post #2 of 3 Old 02-01-2013, 11:30 AM
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I can't tell from the photos. But adult males will appear slimmer and more brightly coloured than females which (obviously) will be chunkier when viewed from above and less colourful. As with most rasbora, there are no external gender differences aside from these.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #3 of 3 Old 02-01-2013, 04:00 PM Thread Starter
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Quote:
Originally Posted by Byron View Post
I can't tell from the photos. But adult males will appear slimmer and more brightly coloured than females which (obviously) will be chunkier when viewed from above and less colourful. As with most rasbora, there are no external gender differences aside from these.
-_- dang rasboras.... they all look pretty slim to me, i guess they'll be my mystery fish
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