IUCN threat status:

Least Concern (LC)


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Global Range: Tropical and subtropical coastal areas throughout world; also in temperate zone. North to Monterey Bay, California, and to Nova Scotia (most common from Chesapeake Bay south and south of Los Angeles). Native to perennial Hawaiian streams. Absent from Bahamas and most of West Indies and Caribbean.


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© NatureServe

Source: NatureServe

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