ID Please - Catfish Egs or Snail Eggs? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 07-02-2007, 11:15 AM Thread Starter
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Post ID Please - Catfish Egs or Snail Eggs?

Hi - On my Tank glass I have started to notice some little round dots (See http://picasaweb.google.com.au/adria...54987558599394) - I think they may be Cat fish eggs?

Cheers

Adriaan
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post #2 of 8 (permalink) Old 07-02-2007, 12:11 PM
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They look like cory eggs to me. I have albino cories that lay eggs all the time.

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post #3 of 8 (permalink) Old 07-02-2007, 01:39 PM
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I would also say cory eggs.
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post #4 of 8 (permalink) Old 07-03-2007, 12:59 AM
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Here's a couple link for the differences:

Cory's eggs on glass
http://tribbles-place.asarian-intl.o...metae-egg1.png

Snail eggs of common varieties
Apple
http://www.birdsasart.com/Apple-Snai...arian,--FL.jpg
Pond
http://www.aquariumplants.co.za/images/snail-eggs.jpg
Mystery
http://www.dlink.org/aqua/image/snail_w_eggs.jpg

As you can see there are bunches of eggs in a mass of jelly like substance whereas the cory eggs you have are at most placed close together without a mass of jelly like substance surounding them.

Doug
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post #5 of 8 (permalink) Old 07-03-2007, 03:18 AM Thread Starter
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Thanks - Will they hatch?

Adriaan
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post #6 of 8 (permalink) Old 07-03-2007, 03:19 AM
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Yes if you had a male there to fertilize the eggs at the same time the female was laying them.

What type of cory do you have?
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post #7 of 8 (permalink) Old 07-03-2007, 07:26 AM Thread Starter
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Cheers - I have a mix of Pepper and Bronze..

http://picasaweb.google.com.au/adria...terPlantedTank

How do I tell sex of them?

Will Snails eta the Eggs?

Adriaan
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post #8 of 8 (permalink) Old 07-03-2007, 02:02 PM
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For most species of Cory your going to find that when adult males and females are compared from a top down angle the males will be more slender or narrower than the females. Especially looking down at the belly area below the dorsal fin. The female even without eggs are "fat" looking compared to males.

During breeding the males will chase after the female in a very sociable manner, and to prompt them to breed just gradually raise the temp of the tank to around 83 over a week or so then drop the temp over night to around 78-79. This simulates the natrual tendencies of their native habitat to have rains fall and cool the water very quickly. Feed live tubifex to the parents for the best health and they (If both sexes present) will breed about once a week to 10 days.

I suggest this or other corydoras books:

"Catfishes" by C.W.Emmens and Herbert Axelrod and "A complete introduction to corydoras and related catfishes" by Dr. Warren E. Burgess.

If you can't find either of these cheap books just go to the local library and look at them for a better understanding of the top down apperances of cory's.
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