breeding Pterygoplichthys gibbiceps?
breeding Pterygoplichthys gibbiceps?
Has anybody ever bred Pterygoplichthys gibbiceps? I have two nice mature ones who seem to be of opposite sex. I heard it was impossible to breed them in a tank. is this true?
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- MatsP
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I wouldn't say it's "impossible" in a tank, but as stated, they like to dig a pretty deep cave. The male guards the eggs and from what I understand, even excreete nourishment from pores on the head to feed the fry during the early stages of free-swimming fry.
They are commonly bred in captivity in outdoor ponds in both SE Asia and Florida in the US.
Whilst it may be "fun" to breed them in a tank, it's hardly something I would encourage: You'll get thousands of fry [if a 7-10cm bristlenose can lay around 50-80 eggs, you can imagine the egg-clutch of a 25-30cm Pterygoplichthys], that either will not survive well in a relatively small tank, or you'll struggle to sell, you'll need to find a wholesaler who is willing to take your fish on - and which wholesaler will do this, when there is a ready supply of captive bred ones from their normal supplier at pretty low prices already.
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Mats
They are commonly bred in captivity in outdoor ponds in both SE Asia and Florida in the US.
Whilst it may be "fun" to breed them in a tank, it's hardly something I would encourage: You'll get thousands of fry [if a 7-10cm bristlenose can lay around 50-80 eggs, you can imagine the egg-clutch of a 25-30cm Pterygoplichthys], that either will not survive well in a relatively small tank, or you'll struggle to sell, you'll need to find a wholesaler who is willing to take your fish on - and which wholesaler will do this, when there is a ready supply of captive bred ones from their normal supplier at pretty low prices already.
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Mats
this is not for money that i want to breed them. they are mature and sexually aggressive towards each other. it is mainly for their "happiness' ))) I have Neolamprologus Buesheri kamakonde and Julidochromis Transcriptus who are always surrounded by their spawn, i constantly give it away for free...MatsP wrote:
Whilst it may be "fun" to breed them in a tank, it's hardly something I would encourage: You'll get thousands of fry [if a 7-10cm bristlenose can lay around 50-80 eggs, you can imagine the egg-clutch of a 25-30cm Pterygoplichthys], that either will not survive well in a relatively small tank, or you'll struggle to sell, you'll need to find a wholesaler who is willing to take your fish on - and which wholesaler will do this, when there is a ready supply of captive bred ones from their normal supplier at pretty low prices already.
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Mats
Thanks, Elena
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ptishoe, If you are willing to take on the task I say go for it! Often things are impossible until someone puts their mind to it and does it. Do they really require the digging of a hole to breed? Is there something in the physical act of digging the hole that is required to trigger the male into spawning? These are questions that are unknown simply because people haven't taken the time to do it. I am sure for a long time people said Discus were impossible to breed in aquariums, but now its routinely done. If you try, I wish you the best of luck.
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perhaps you could provide a tank with a large tube connected to is - say 10 cm acros, 70 cm long - filled with sand, and leading to another, much smaller tank, completely filled with sand.
Thus the male (or female?) can borrow his hole, leading to the hormones he needs to spawn. Naturally, the first tank needs to be big enoug to contain all the sand dus from the tube and small tank.
I may be far of the mark, but this migh set you on track........
Thus the male (or female?) can borrow his hole, leading to the hormones he needs to spawn. Naturally, the first tank needs to be big enoug to contain all the sand dus from the tube and small tank.
I may be far of the mark, but this migh set you on track........
- Shane
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I do not think that a hole in a simulated riverbank is necessary. They should spawn just fine in any "cave" that is large enough. A large clay pipe should work well since that is what breeders use when pond breeding these fish. I would offer both a clay pipe closed at one end and a clay pipe open at both ends. The pipe should be large enough for both fish to squeeze in and 1.5 times their length. A large PVC pipe may also work if it is well secured so the fish can not move it.
-Shane
-Shane
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this is exactly what i am thinking of )))Shane wrote:I do not think that a hole in a simulated riverbank is necessary. They should spawn just fine in any "cave" that is large enough. A large clay pipe should work well since that is what breeders use when pond breeding these fish. I would offer both a clay pipe closed at one end and a clay pipe open at both ends. The pipe should be large enough for both fish to squeeze in and 1.5 times their length. A large PVC pipe may also work if it is well secured so the fish can not move it.
-Shane
thank you!