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Stealing Eggs

Posted 2011.12.23 22.40 in Aquaria

For two years, I’ve kept corydora catfish along with my apple snails. And for two years, my corydoras keep laying eggs all over the place. But they all keep disappearing within a day or two.

Now, I know the corydoras themselves do eat the eggs, but I’ve also suspected that the apple snails were getting in on the act too. And finally, after two years, I have proof!

This little video shows the snails doing their darndest to eat some eggs, though they don’t appear to be successful. These eggs are fresh, just laid in the morning, so maybe they need another day to ripen?

The video is also a pretty good way to see how the snails mouths / rasps work – they don’t have teeth, but they have a sort of tongue with a tough teeth-like surface. Not unlike a cats tongue, in a way. They use this rasp to break down food and draw it into their mouth.

So Many Eggs

Posted 2011.03.20 10.35 in Aquaria

How do they all fit in there? How does she have enough room for so many eggs inside her shell, without totally displacing her own body?

Snails: bigger on the inside than they are on the outside.

Snaily Eggy Madness

Posted 2010.05.06 22.19 in Aquaria

It’s like they want to repopulate the Earth with snails. They’re laying, and laying, and laying…

I had 15 clutches in a single week. Some crummy photos below the fold.

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They Grow Up So Quickly…

Posted 2010.03.09 21.55 in Aquaria

Here is a photo of one of my snail babies, laying her own clutch of eggs. This little girl is less than 3 months old, and already she’s on her way to being a momma.

This was supposed to be impossible; I’ve read that they don’t start laying eggs till they’re at least 5 months old. Appearantly, this snail doesn’t know how to read.

BTW that white crud on her shell and to the right of her, is the remains of an older clutch that I hadn’t got around to cleaning off. This was always Shelly’s favorite egg-laying corner. Like mother, like daughter I guess.

The Favorite Corner

Posted 2009.12.19 4.43 in Aquaria

I don’t know what’s the attraction of this corner, but it seems to be the place for egg clutches…

Favorite Corner

Here is Shelly laying egg clutch number eight. Big Blue is supervising, by the looks of things.

Yet Another Egg Clutch

Posted 2009.11.27 9.30 in Aquaria

When I found the first egg clutch, my reaction was “Yay!” but by the fourth, it was more like “Oh, crap…”

I’m going to have to start destroying egg clutches, I don’t have the resources to raise several hundred babies. Still, I’d like some coloured ones – the first two clutches produced nothing but gold / light coloured snails. And this newest clutch does look ‘darker’, making me wonder if it was perhaps laid by one of the other snails.

Clutches 3 and 4

On the left is the third clutch, now 10-days old. On the right is the fourth clutch, just laid last night.

Snail Eggs Update

Posted 2009.11.14 17.25 in Aquaria

There’s still two clutches, I’ve left them where they are to let them incubate where the snail(s) put them.

The first clutch is now two weeks old. It’s awkwardly placed on the back of a filter, and I don’t think I’d be able to get it off without damaging it anyways. When it hatches, the babies will just drop down into the tank I guess. The first clutch is the larger one, being over 2 inches long I think.

First Clutch, 2 weeks along

First Clutch, 2 weeks along

It could just be wishful thinking, but it looks to me that the clutch is starting to turn colour, and I can see what I think are black spots in some of the eggs – little dark coloured babies maybe?

With luck, the first clutch will hatch some time in the next week or so – I’ve read 3 weeks is a common incubation period.

The second clutch is in a better spot for watching and dealing with – I could put a net breeder under it, or even try and knock it off into a net, if I wanted to put the babies somewhere else.

If 3 weeks is the magic number, then the second one has about another fortnight to go.

Second Clutch, 1 week along.

Second Clutch, 1 week along.

The second clutch is small, only about an inch and a half long, and a half inch around.