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Royal gramma, photographed on a transparent background

ReefIn the market120 coinsCommon

Royal gramma

Gramma loreto

Purple fading into yellow, happiest hiding in the rockwork.

The Royal gramma (Gramma loreto) is a tropical marine fish of the family Grammatidae. It lives on and around reefs, between 1 and 60 m deep. Adults grow to about 7 cm; the largest on record measured 8 cm (total length). In the aquarium it needs a tank at least 60 cm long and water at 23–27 °C.

Size
7 cm
Smallest tank
60 cm
Temperature
23–27 °C
Care
Easy

In the aquarium

Temperature23–27 °C
pH7.8–8.5
Temperament
Peaceful
Diet
Carnivore
Activity
Calm
Water layer
Bottom
Group
Lives on its own
Coral
Reef safe
Drawn to scale in a 60 cm tank

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

  • Nano60 cm · 65 litres8 of them
  • Standard90 cm · 180 litres22 of them
  • Wide120 cm · 300 litres37 of them
  • Living room180 cm · 650 litres81 of them
  • Showcase250 cm · 1,200 litres150 of them
  • Gallery300 cm · 1,440 litres180 of them

Who it lives with

In the wild

Water type
Marine
Climate zone
Tropical
Habitat
Coral and rocky reefs
Largest on record
8 cmtotal length
Aquarium trade
Traded commercially

Depth

Conservation status

Classification

  1. OrderBlenniiformes
  2. FamilyGrammatidae
  3. GenusGramma
  4. SpeciesGramma loreto
  5. Described byPoey, 1868

In other languages

German
Königs-Feenbarsch
Spanish
Loreto
French
Gramma royal
Italian
Gramma reale
Russian
Королевская грамма
Japanese
ロイヤルグラマ
Chinese
藍紋鱸

Quick answers

Royal gramma size: how big does it get?
Adults reach about 7 cm. The largest on record measured 8 cm (total length).
Royal gramma tank size: what is the minimum?
A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.
Royal gramma water parameters: what does it need?
Temperature 23–27 °C, pH 7.8–8.5.
Royal gramma tank mates: what can it live with?
It gets along with 89 of the 99 reef species in the catalogue, such as Percula clownfish, Green chromis, and Cherub angelfish.
Royal gramma: alone or in a group?
It can be kept on its own.
Royal gramma and corals: is it reef safe?
Yes, it leaves corals alone.
Royal gramma depth: how deep does it live?
In the wild, 1 to 60 m down.

All Grammatidae speciesAll species A–Z

Sources

Royal gramma: compiled from these references.