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The way I SEX my Discus
Sexing discus has always been difficult, even for an expert
hobbyist. However, I learnt to recognise a few difference between
the two sexes that has helped sex my own Discus. Here I'll share
with you my methods and hope you have better chances of selecting
a pair for breeding. Even if you are not breeding, wouldn't
it be nice just to know your Discus sexes?
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Body Parts |
Description |
Male |
Female |
| 1. |
Pectoral Fins |
When extended, longer than anal fin |
Yes |
|
| When extended, shorter or equal to
anal fin |
|
Yes |
| 2. |
Dorsal Fin |
Pointed at the rear and may have
extra growth |
Yes |
|
| Rounded at the rear |
|
Yes |
| 3. |
Anal Fin |
Pointed at the rear |
Yes |
|
| Rounded at the rear |
|
Yes |
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Note: #2. Extra growth at the dorsal fin occurs mostly
in older Discus only.
If your male does not show any signs of extra
growth, see if its anal fins and dorsal fins are pointed at
the end. Normally you won't find both the dorsal and anal fin
pointed. But either one would be pointed if it's a male.
My final method is used widely by many people is a method using
"geometry" to determine the sex. Picture a discus facing to
your left. You would be looking at it's side. Find the Dorsal
(Top) fin and look where the fins slope down toward the Tail
fin. Extend an imaginary line along the straight section of
the dorsal fin, back toward the tail.
If the line crosses the pass through the Tail
Fin, the fish is most likely to be a FEMALE. If they miss
or just touch the Tail Fin, then it most likely a MALE.
I use these methods all combined together to make the sexing
more accurate. One more thing, there is no such method or any
way that is 100% correct!
Hope this article has helped you!
Regards,
Sam Chng
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