Fish and Wildlife Research Institute


Algae, Penicillus

Scientific name: Penicillus dumetosus (J.V.Lamouroux) Blainville, 1830

Common name: Merman's Shaving Brush or Bristle Ball Brush

Species Codes for Trip Ticket Reporting:
Marine Life Code: 753 - Plant, Merman's shaving brush

License and Endorsements Required for Commercial Harvest:
SPL - Saltwater Products License
RS - Restricted Species Endorsement
ML - Marine Life Endorsement

* These are unofficial designations, please see Florida Administrative Code Chapter 68B for specifics,

Image Credit: Don DeMaria

FWC Facts:
Red tides are not always red. They can appear green, brown or even purple in color. The water can even remain its normal color during a bloom.

Learn More at AskFWC