Cockatoo Behaviour & Sexing

yeh hell be a juvie, will probably develop into a male, i would take him back other wise they will fight
lol my LFS are going to love me - Ive got to take back 2 Harlequin Rasbora now as well - they've just gone belly up :sad: . Checked my water & it's as good as it'll ever be so...........


And yes Matt - they have gone in the shells :lol: & surprisingly also the 2 Spongebob houses! Looks like my boys had the right idea getting me to put those in after all
 
The coloured one is def a male, I'd say the other is female. Reasoning? No distinct colouring in the fins, whats there is normal for a female. Truckasaurus, the cobalt yellow you are talking about in females is a breeding colour, almost all apisto species only show this when they are ready to breed or have fry, otherwise a dull yellow/grey is the the norm. Also males develop filaments off their pelvic fins, this is rarely developod on females and then usually on very mature
male, showing filaments
cac1copy.jpg


female
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Ive just purchased some of these fish so have been reading up on them - The females will turn yellow when ready for breeding. Females also have a black stripe on their pelvic fins which with maturity will turn black all over
 
Thanks people - I've just got back in from work & they seem to be getting along nicely now - perhaps it was just a case of 'stress from moving house' we all know what that's like eh? :lol:
 
If hes anything like my male dont bother! He has 3 females he completely ignores!! :lol:
 
I don't know yet - the pair seem happy enough at the moment so will wait & see how things develop - no point in buying any more if they get ignored - that's not a good life for anyone :lol:
 

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