| Introduction
|Identification Key
|
Aquatic Worm
- Measure 1-30 mm in length, but sometimes over 100 mm.
- Clear whitish to pink in color.
- Body consists of 7 to 500 segments.
- Segments often have bristles or hairs.
- Tolerant of low dissolved oxygen concentrations.
- Found in silty substrates and among debris or detritus in pods,
lakes, streams and rivers.
- Dense populations of Tubificids can often be found in organically
polluted rivers.
- Approximately 200 species in North America.