| Mytilopsis leucophaeata (Conrad, 1831) False dark mussel | 
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| Family: | Dreissenidae () | |||
| Max. size: | 2.5 cm DL (male/unsexed) | |||
| Environment: | benthic; brackish; marine; depth range 0 - 55 m | |||
| Distribution: | Atlantic Ocean and Eastern Central Pacific: North America including Mexico. | |||
| Diagnosis: | ||||
| Biology: | Maximum depth from Ref. 104365. From littoral sediments (Ref. 1314). Byssate, epibiotic. Found in an estuarine environment (Ref. 104365). Commensal with amphipods (Ref. 82302). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||