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| Distinguishing Characteristics |
- Head with helmet, may be rounded or come to a point.
- Ventral margin of valves nearly straight.
- Shell spine one-third to two-third length of valves.
- Three conspicuous abdominal processes, 2nd abdominal process is about half the length of the 1st
- Proximal, middle and distal pecten of postabdominal claw all about the same size
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| Ecology |
- Daphnia mendotae is most commonly found in mesotrophic to eutrophic lakes, where it appears to coexist well in the presence of cyanobacteria such as Microcystis .
- Winter, non-helmeted forms of Daphnia mendotae are difficult to distinguish from Daphnia rosea .
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| Additional Notes |
- Molecular genetic studies suggest Daphnia galeata mendotae came from European stock. Daphnia galeata has been proposed as a new species designation for Daphnia galeata mendotae (Hebert 1995).
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