Discussion regarding only Lake Malawi species.
Thu Apr 10, 2008 6:23 pm
i have a 100g tank that has alot of different kinds of maliwa,to many to mention,but i have 6 dolphins fighting like crazy 2 are light blue with the 3 spots and the other 4 are dark and do most of the fighting amongst themselves.i have not sex them yet but i plan to soon.
is this just them establishing a pecking order or should i seperate them.what to do?
Fri Apr 11, 2008 10:44 am
It may all be related to the stocking of the tank in general, or it could be that you have too many male C. moorii.
Fri Apr 11, 2008 12:07 pm
I agree. I would only keep a single male. I have seen a group of 6 2M/4F that were thought to be 1M/5F. It was in a friends tank who had purchased them as a sexed group. They were kept in a 6' 125 gallon tank. Unfortunately, two of them kept fighting, to the point that one had an injured eye. After it healed the fish was returned to the tank and the fight resumed. When I when to the friends house I immediately realized that there were two males. For a fish that often seem very mild mannered, the males can be quite aggressive when dominance is an issue.
Depending on size, sexing can be done by looking at the anal fin. Both sexes have pointed anal fins, but the females will not reach the base of the caudal (tail) fin. Males, once they reach about 3.5" to 4" will develop an anal fin that will exntend past the base of the caudal fin.
Males tend to be a darker blue, but no always. The spots are something that all C. moorii exhibit, but more often when they are sleeping, stressed, or are fry/juveniles.
Fri Apr 11, 2008 9:19 pm
thx alot .they are about 3''+ and i always thaught the only way to do this is by venting them.i will keep close eye on them and try to vent them the next water change and keep you posted. do they dig pits when they spawn?
Sat Apr 12, 2008 10:16 am
The best way to do it is by venting them, but that can be difficult at a smaller size.
Pits aren't always for spawning...
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