The eggs are attached to aquatic vegetation, and hatch seven to 18 days later.

Up to 350 eggs are laid in mass either floating or attached to vegetation.

Last year, one student tossed out an egg attached to a frying pan.

The eggs will be attached to plants, gravel, and occasionally on the sides of rocks.

No parental care is observed after the eggs have been attached to the cobbles.

The eggs are attached with a glue-like substance and can be quite difficult to remove.

The eggs are spindle-shaped and attached directly to rock surfaces.

Large flat rocks are used for nesting cover with the eggs being attached underneath.

The eggs, and the juveniles when they hatch, are attached to the membrane by a thread.

This procedure is repeated until as many as 200 eggs are attached to the leaf.