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Hello

Posted: 17 Jan 2007, 17:31
by richchappy
Hi im rich
I am totally mad about cat fish, i do keep a community tank but a lot of the fish are corys, I have 3 Trillis and 4 aneus 2 bronze and 2 albino. Also in there i have an L066 plec that i got a week ago. I managed to spawn and hatch some trilli fry and they were in a breeder net and when i moved them to the breeding tank very sadly they all died :cry: but i have found one surviver who is back in the breeding net and is happy and healthy. I am still kicking myself for that mistake as the water was quite dirty as there were a fair few live bearer fry in there aswell. I will never do it again... anyway, the good news is the trilli and one of the albino looks pregnant again, so hopefully it will go better next time.... thats me anyway

Bye

Posted: 17 Jan 2007, 21:49
by medaka
HI Rich & Welcome to Planet Catfish

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BTW can you put your location into your profile please :)

Posted: 18 Jan 2007, 10:14
by MatsP
Rich, welcome to Planet Catfish.

Part of the process of learning how to bring up fry is making mistakes - that's why it's recommended to start with "easy to spawn" fishes, so that when you make a mistake, you don't have to wait forever for them to spawn. Best of luck with the next spawn.

Whatch for the albino and normal colour C. aeneus spawning together, you may not get albino fry from them, but fry will carry albino gene, so crossing them again will have potential albinos [if there's albino on both lines of the family tree].

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Mats

Posted: 18 Jan 2007, 12:18
by Richard B
Welcome to the site

Richard B

Posted: 18 Jan 2007, 16:00
by richchappy
MatsP wrote:Rich, welcome to Planet Catfish.

Part of the process of learning how to bring up fry is making mistakes - that's why it's recommended to start with "easy to spawn" fishes, so that when you make a mistake, you don't have to wait forever for them to spawn. Best of luck with the next spawn.

Whatch for the albino and normal colour C. aeneus spawning together, you may not get albino fry from them, but fry will carry albino gene, so crossing them again will have potential albinos [if there's albino on both lines of the family tree].

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Mats
what will come out then some albino and some normal

Posted: 18 Jan 2007, 16:10
by MatsP
Albinism is so called "recessive trait", which means that you need the same gene on both sides of the parents to make it appear in the off-spring.

So, if you breed something that has one parent albino and one normal with another with the same genetic setup, you should get 25% albino and 75% normal ones. And 50% of the fry will have the albino gene but only on one side and 25% of them will not have the gene at all.

[Of course, your "normal" fish could already carry albino gene, there's no way to tell (except expesnive DNA analyzis, and that assume that someone has figured out which gene in a Corydoras that causes albinism)].

Did you see Medaka's request to fill in your location in the profile (top right on the page).

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Mats