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Thread: Sexing Angelfish
03-08-2011, 02:18 AM #1
I've seen a few threads regarding the sexing of angelfish lately so I wanted to help out a bit. I bred angelfish for 5+ years and discovered that there is really only one true way to sex angelfish. Some people will say that you can tell the sex of angelfish by their width or by the enlarged crown on their head, but from my experience these aren't always accurate. From my perspective there is only one true way to sex angelfish, the tubes.
Angelfish tubes will typically begin to appear in angelfish between 6 and 12 months of age. The tubes are the organ through which the eggs and sperm are delivered. Although on some fish they can be seen all the time, they are most predominant when the fish are breeding. Interestingly, tubes not on appear on angelfish that are actively breeding but also appear on angelfish that are simply in proximity to another pair that are breeding. As such many breeders will place fish of unknown sex into a tank with a breeding pair in order to encourage the dropping of tubes and proper sexing of the fish.
By examining the tubes of angelfish it is generally very straight forward to determine what sex the fish is. Tubes which appear sharp or pointed on the end (similar to the sharp end of a pencil) will be seen on male fish. Tubes which are more cylindrical (like the eraser of a pencil) are seen on female fish. As a reference I managed to get some close of photos of a one of my breeding pairs. Feel free to use these photos as reference. I hope this helps clear things up for those people breeding angelfish.
03-08-2011, 02:23 AM #2
Great post Nic. That is exactly correct. The same method is the only reliable, accurate way for sexing Discus as well.
03-08-2011, 04:45 AM #3
03-08-2011, 09:28 AM #4
03-08-2011, 08:41 PM #5
DrNik, I breed angels and discus as well, not quite been a year but getting close.
Every single time my pairs have spawn(angels only im speaking) I notice that the male ALWAYS is the one with the enlarged crown, where the females always have none and their nose/mouth region to eye location is always an inside point rather then a smooth slope. These are P. Scalares I am speaking of.
Ive been able to be 100% accurate on dividing my males from females when I get new additions or grow out juveniles to maturity. I know the vent is deadly accurate but is this a coincidence(in over a dozen different pairs or is this something that holds water?)
Ive kept angels for about as long as you have been breeding them and have old school sexing ways from my father and some of his society members that are still in the hobby and alive. Its just something Ive kept in the back of my mind for a while and am furthering research this as well.
Also, I have a P. Scalare "smokey" that ALWAYS has his vent out, he is a proven breeder male but he lost his mate of 3 years a few weeks back, since his first spawn it hasnt retracted and there is nothing spawning in the tank other then pangio oblongas and corydoras.
Last edited by WhiteDevil; 03-08-2011 at 08:44 PM.
03-08-2011, 11:06 PM #6
I just happen to have a question on the female vent tube, does it look like a 2 petal flower with a red dot in the center?
My webhosting isnt working right now but I was fortunate enough to have what I believe is IKE(which is now Tina) laying eggs, but I saw the tube dead on and what I described above is an accurate detail of what I was, it looked like a lip dragging behind as it was depositing on the leaf.
Well I will now observe tubes and tubes only as the crown as it appears to me after watching what I watched 10 minutes ago has no bearing on the gender what-so-ever, until proven otherwise I gotta go with what I eye witnessed as my 20/20 doesnt lie to me.
I will add the pics later possibly have a mod insert then into this post if possible(any volunteers?)
03-09-2011, 01:17 AM #7
0Originally Posted by WhiteDevil
There are a number of lines available from different breeders in the US where the males don't show any enlarged crowns. For example, I know that a lot of the early platnium lines and the super red koi lines have almost no enlarged crowns in males. It's really hit or miss depending on where you get your fish and how much 'wild' they have in them. The more wild they have the more the males tend to have enlarged crowns. Domesticated angels, particularly those with recessive traits that have been heavily crossed such as albino, pearlscale, and gold (but not marbled), tend not to show enlarged crowns nearly as much.
Originally Posted by WhiteDevil
If you have photos try putting them up on Photobucket, or just attach them to your post directly on the forum.
03-09-2011, 01:53 AM #8
I use PB and it wont let me upload for three days now, I use a few and its the same thing even facebook is giving me issues at times.
It wasnt ON the vent tube it was dead center inside of it, like the internal part of the tube.
I for sure saw this one lay the eggs and it has a nice fat crown(smokey)
04-28-2011, 06:37 AM #9Member German Ram
- Join Date
- Apr 2011
Thanks for the pictures this will help alot when i come to identify is sex of my angels.
05-08-2012, 12:21 AM #10
These pictures couldn't have come at a better time. I have a Black Veil female and Marble veil male. I thought I had two females, the pictures cleared up a lot. Whats weird is the male seems to be aggresive toward the female.