| Linuche unguiculata (Schwartz, 1788) Thimble jellyfish | 
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| Family: | Linuchidae () | |||
| Max. size: | 2.5 cm H (male/unsexed) | |||
| Environment: | pelagic; marine; depth range 0 - 200 m | |||
| Distribution: | Circumglobal. Tropical and subtropical. | |||
| Diagnosis: | 1.6 m wide, 1.8 cm high. Subrellar protuberances in two circles. | |||
| Biology: | Found nearshore and below surface in spring and summer; polyps on coral rubble (Ref. 2376). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||