| occurence | introduced | ||
| importance | Ref. | ||
| aquaculture | never/rarely | Ref. | |
| regulations | no regulations | Ref. | |
| freshwater | No | ||
| brackish | Yes | ||
| saltwater | Yes | ||
| live export | |||
| bait | No | ||
| game/sport | No | ||
| abundance | Ref. | ||
| comments | Species listed under their hydroid and medusoid stage are introduced in estuarine both in Atlantic and Pacific coasts (Ref. 1663, p. 19, 26). C: Refs. 1663, 2376, 2992. | ||
| C = country distribution; M = map distribution; O = occurrence data; R = regional distribution | |||
| States/Provinces | California (introduced), Oregon (introduced), Virginia (introduced) | ||
| States/Provinces Complete? | Yes | ||
| National Checklist | |||
| country information | https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html | ||