robdog013 Posted June 18, 2007 Share Posted June 18, 2007 HI guys I have recently inherited colonies of the above and dont know how to sex them? can u guys provide any insight? Link to comment Share on other sites More sharing options...
electricyellowz Posted June 18, 2007 Share Posted June 18, 2007 HI guys I have recently inherited colonies of the above and dont know how to sex them? can u guys provide any insight? Males are usually more colourful and a lot more agressive! Some males will also have lots of egg spots on their anal fins. Do you know how to vent sex? What sizes are the fish? Any photos? Ben Link to comment Share on other sites More sharing options...
robdog013 Posted June 18, 2007 Author Share Posted June 18, 2007 the cobalts arer about 10cms, the mainganos range in size from 8cm to 3cms, and I have 3 hongi all about 10-7cms, once I get my digital camera working I will post the pics Link to comment Share on other sites More sharing options...
electricyellowz Posted June 18, 2007 Share Posted June 18, 2007 Well if you watch the larger fish over the next weeks and you either see some breeding action or another fish getting pounded you will be able to tell the sexes. With the smaller maingaino there is no sure fire way to tell. Link to comment Share on other sites More sharing options...
Josh Posted June 18, 2007 Share Posted June 18, 2007 You wont be able to sex maingano's or cobalts by their colour. the hongi's should be OK to sex that way Link to comment Share on other sites More sharing options...
monitron Posted June 19, 2007 Share Posted June 19, 2007 Hey, Hongi's are easy to sex. My male is larger and colourful all the time. A light blue with yellow and black bands down over his forehead and orange fins. The females are a drab colour and usually the one getting chased by the male. The female will show some colour when showing aggression, but its only very slight. Nothing like the male. Link to comment Share on other sites More sharing options...
robdog013 Posted June 22, 2007 Author Share Posted June 22, 2007 [cheers man, that means I have i male and 2 females, since i moved them into my new gft tank they are gettin less chopped Link to comment Share on other sites More sharing options...
yellow Posted June 24, 2007 Share Posted June 24, 2007 male female to right of male.note the colour difference,males are more powder blue.females are cobalt(dark) blue Link to comment Share on other sites More sharing options...
Mani A Posted July 11, 2007 Share Posted July 11, 2007 net your fish and vent sexing them is the safes way i have a female hongi that looks better than my male (and she has held fry) Link to comment Share on other sites More sharing options...
robdog013 Posted July 13, 2007 Author Share Posted July 13, 2007 Thanks yellow, the light blue colouration also occurs when a male asserts his dominance over the herd, i've found when I remove him from the tank another sub-dominant male fires up. I think its time to get my hands wet.. thanks for the advice guys I love my fully grown cobalts Link to comment Share on other sites More sharing options...
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