Flatworm Life Cycle at Life

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Flatworm Life Cycle. Adult flatworms (a) leave circular feeding scars (arrowheads) on the coral tissue and deposit egg clusters (asterisk) on the coral skeleton. There divided into stages that most platyhelminthes go through.

Liver Fluke
Liver Fluke from www.bimectin.com

Frequently they are attached to some object or surface by an adhesive secretion. They are flat or ribbonlike. Also known as a shelled embryo. surrounded by a capsule.

Liver Fluke

Eggs are attached to the substrate singly, grouped, or placed in cocoons. Sexually reproducing flatworms can live from a few weeks to a few months (not counting periods of encystment), while the life span of asexual species is theoretically indefinite. If eaten by a mudflat snail, or whelk, the eggs hatch and the larvae multiply by budding. It includes two groups of parasitic flatworms, known as flukes.