Lepidurus couesii, or round spine tadpole shrimp, are one of the more rare species, found only in Canada and Italy were they inhabit temporary alkaline freshwater.
| Common name: | couse tadpole shrimp, round spine tadpole shrimp, vernal pool tadpole shrimp |
| Subspecies: | none |
| Discovery: | Packard, 1875 |
| Location: | Canada, Itay |
| Habitat: | temporary alkaline freshwater pools |
| Temperature: | nom. temp: 20 °C; min. temp: 17 °C; max. temp: 25 °C |




sophia said on April 4, 2012
it has a short butt!