Image Key > Cladocera > Evadne Sp.
Evadne sp.
Lovén 1836
Taxonomy
| Phylum |
Arthropoda |
| Subphylum |
Crustacea |
| Class |
Branchiopoda |
| Order |
Cladocera |
| Suborder |
Onychopoda |
| Family |
Podonidae |
| Genus |
Evadne |
Size
- Approximately 1 mm long.
- Males are much smaller than females.
Distinguishing characteristics
- Appendages reduced and not enclosed within carapace.
- Eyes relatively large.
- Body tear drop-shaped, oval or triangular, without well defined constriction.
- Lacks groove that separates head and carapace.
- Only 4 thoracic appendages.
- Males typically have a larger head and compound eye relative to the body than seen in the female.
Distribution
- Widely distributed throughout the world.
- Common in coastal waters and can also be found in open ocean systems.
Ecology
- Feed on dinoflagellates and tintinnids.
- After copulation the female lays only one or two large fertilized resting eggs, which are stored in the brood chamber.
- As on Cladocera page.
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