Help with Aggressive Guppie

MyShrimpDied

MyShrimpDied

Freddie Freeloader
Jun 2, 2004
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I have decided to finish stocking my tank by adding 1 more Glow Light tetra, making a school of 5, and then adding another fancy guppy so my other guppy can have a friend :). My problem is, I have read that male guppies can be aggressive towards each other, and I would much rather have 2 males, then a male and a female because I dont want millions of fry!

Is there anything I can do to make my guppies not aggressive towards each other? If I am lucky enough to actually have a male now, and then get another male (Some sexing advice would be very helpfull) What could I do to make the other guppy entering the tank not a threat to my guppy I have in there now?

~ MyShrimpDied
 
well. male guppies have more color, usually, and are smaller than females. they also have a fish version of a .. O.o.. male part.
http://www.****************/images_01/guppy_male_red_var.jpg
Look at the belly of the guppy, you can see it there. It's a tube like thing.

Females anal fin isnt like this. also, females have a gravid spot.. a darkish area right in front of their anal fin.
gravid.jpg


I am not too sure about the adding another guppy part. I have 2 in my 20g tank, and i tried adding 2 more males, but the first 2 ganged up on the new ones, and tried eating their eyes. So, now they are somewhere else.
 
At one time I had 5 male guppies together and didn't have a problem at all. IME male guppies can get aggressive towards females (always wanting to mate), which is why it's recommended if you have male and female guppies to get 2 females for every 1 male... otherwise, all males together would be just fine.

TYPO has a good picture there of the male's gonopodium... here's another one:

47b4d825b3127ccebff0e6780e2c0000001610


The top red line points to a female, and the bottom red line points to a male... notice how the underside fin is pointy and tube like, that's a gonopodium. Also, TYPO was right on, males are usually a lot more colorful all over, whereas females are more gray in their body and color (not as bright) on their tailfins.

~Tara
 
I made the mistake one time of buying a scoop of feeder guppies for my big fish as a christmas present. I had guppies for 2 years!
There must have been a good m/f ratio, as I never noticed any agression.
 
If you do happen to see a little aggression, decor (plants, wood, etc.) may help a little. Several members have suggested this to me about other fish, but I'm sure it will work with a guppy as well.

Just a thought.
 
multiple males are fine, they dont get really aggressive to females the chasing and harassing is just to mate so you shouldnt have any problems
 
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