male and female? help me find out... - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 12 Old 10-31-2010, 07:21 PM Thread Starter
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Question male and female? help me find out...

Is it possible to find out the sex of these two blue rams?

two rams web.jpg

close up pics (sort of...)

female ram.jpg

male ram.jpg

thank you!
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post #2 of 12 Old 10-31-2010, 10:20 PM
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The easiest way to sex rams is by looking at the black mid-lateral blotch. In males, there are none of the bright blue spangles inside the blotch, whereas in females, there is. Hope this helps!

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post #3 of 12 Old 10-31-2010, 10:42 PM
I have a trio of these ( 1 male;2 females) and those both look like females to me

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post #4 of 12 Old 10-31-2010, 11:30 PM Thread Starter
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time to hunt for a male...have to call several LFS again!
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post #5 of 12 Old 11-01-2010, 03:35 PM
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I also think they are both female. If you check our profile of this fish--click on the shade name Mikrogeophagus ramirezi to see the profile--it mentions sex differences and also has a photo of a pair spawning so you can see the differences better.

Their behaviour toward each other is often a clue; two males would constantly be "challenging" each other. A pair (male/female) would be obvious by their interaction.

Byron.

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 #6 of 12 Old 11-01-2010, 05:37 PM Thread Starter
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maybe a male blue ram?

how about this one. does this looks like a male?

ram male small.jpg
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post #7 of 12 Old 11-01-2010, 06:49 PM
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Quote:
Originally Posted by raleej337 View Post
how about this one. does this looks like a male?

Attachment 18949
The photo caption says it is a male, but I couldn't swear to it; the black markings on the shoulder are washed out too, either from stress or this may be one of the artificial colour morphs.

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 #8 of 12 Old 11-01-2010, 09:21 PM Thread Starter
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Thank you!

Well since this is the only possible male I have found so far (and I drove 40 minutes just to take alook at it) I bought it. Surprisingly one of my females immediately swim with this one, and I've noticed that the female became a bit of aggressive towards the other tankmates. I have been watching them and the two seems bond to each other immediately. Swimming together or just following each other. I hope they really pair, the other female is being bumped by the other female everytime she tries to go near the male.
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post #9 of 12 Old 11-01-2010, 09:46 PM Thread Starter
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i've just noticed that the color of my female become darker and intense, is this a sign of stress or something?
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post #10 of 12 Old 11-01-2010, 10:10 PM
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On the last post, no, that is her response to the male. Fish can change the intensity of their coluration quite significantly due to interaction with a mate or other fish, environmental conditions (darker over dark substrate, lighter over light substrate) or stress. In this case it is interaction.

And I would agree it sounds as if they are forming a pair. I had identical behaviour when I introduced a female Bolivian Ram to my male, and within 3 days they spawned.

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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