Empty egg mass. 6cm. thick jelly layer. Old egg sacks look like shriveld peas
Empty egg mass. 13.5cm. Thick jelly layer that has started to degrade. Slack water free floating.
Free floating empty egg mass. 11.5cm thick green jelly layer with brownish red inside. No longer attached to submerged emergent.
Empty egg mass. Larger than 15cm. Thick jelly layer that has started to disintegrate. Attached to submerged emergent.