I'm not sure where you're getting your information mine comes from my tank. Also this reference, Sprung "Algae a Problem Solving Guide, p, 47 (2002)". Under controls for Bryopsis, the usual "strong biological filtration" and Herbivores. The herbivores listed are:Nothing eats bryopsis, hair algae yes but not bryopsis unfortunately.
- Rabbitfish
- Diadema Urchin
- Tuxedo Urchin
- Mitraculus crab
- Sea Slugs:
- Elysia spp (i.e. lettuce nudibranch)
- Caliphylia mediterranea
- Placiida dendriticia
- P. kingstoni,
- P. virdid, and
- Limpapontia capitala