| Halichaetonotus marivagus Balsamo, Todaro & Tongiorgi, 1992 | 
| No Picture Available | 
| Family: | Chaetonotidae () | |||
| Max. size: | 0.015 cm TL (male/unsexed) | |||
| Environment: | benthic; marine; depth range 3 - 5 m | |||
| Distribution: | Southwest Atlantic and the Mediterranean. Tropical. | |||
| Diagnosis: | ||||
| Biology: | Found in medium coarse sand (Ref. 2581). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||