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Printed From: Reptiles and Amphibians of the UK
Category: Herpetofauna Native to the UK
Forum Name: Common Toad
Forum Description: Forum for all issues concerning Bufo bufo
Printed Date: 17 Apr 2021 at 1:27pm
Software Version: Web Wiz Forums 11.06 -

Topic: Spawn
Posted By: Noodles
Subject: Spawn
Date Posted: 05 Apr 2013 at 5:07pm
How big are the muco capsules surrounding individual Common Frogs' eggs when laid, by what percentage do they swell in water and how quickly does this occur?


Posted By: Caleb
Date Posted: 08 Apr 2013 at 9:39am
Maxwell Savage says that the jelly layer is 0.3mm thick when inside the frog, and swells to resemble normal spawn 'in a few hours' when placed in water.

In my experience, it keeps swelling slowly for at least a few days.

Not sure what percentage it increases by, but it must end up at least ten times thicker than it started...

Posted By: Noodles
Date Posted: 11 Apr 2013 at 4:23pm
Thanks Caleb

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