Royal gramma
Gramma loreto

Essential gear
- Mature reef rock system
- Cave hardscape
- Refractometer / salinity meter
- Powerhead / wavemaker
- Marine fish food
Lifespan
5–8years
Water temperature
24–27°C
Salinity
1.023–1.026SG
Water column
Lower-mid level
Hangs from cave ceilings; uses rock crevices to come and go
Keep in groups
Usually kept alone
Same-species territorial disputes
Diet
Carnivore
Pellets, brine shrimp, frozen plankton
Suggested habitat
Lower–mid reef with upside-down caves. Do not blast the entrance; leave a quiet retreat so fish will show by day.
Plates are husbandry references—not build plans or generator parameters. Check your own water, vessel, and stocking before you act.