| Supplanaxis nucleus (Bruguiere, 1789) Black planaxis | 
| No Picture Available | 
| Family: | Planaxidae (grooved snails) | |||
| Max. size: | 1.7 cm DL (male/unsexed) | |||
| Environment: | benthic; marine; depth range 0 - 3 m | |||
| Distribution: | Western Central Atlantic. | |||
| Diagnosis: | ||||
| Biology: | This species is found in supra- and intertidal areas, particularly on algae, boulder, coral and rocky habitats (Ref. 83934). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||