Aquatic Earth Worms - Decomposers

Aquatic Earth Worms
Department of Environmental Protection
State of Maine

Aquatic earthworms closely resemble terrestrial earthworms. They have long, moderately muscular, cylindrical bodies composed of ring-like segments. Most aquatic earthworms range in length from 1-30mm long, although some may be as long as 150mm. The anterior (front) end of the worm has no suckers or eyespots. Aquatic earthworms are hermaphroditic and can reproduce sexually or asexually. Because these worms undergo no metamorphosis as they age, juveniles can only be distinguished from adults by their smaller relative size.

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