Gramma loreto

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See Talk:Gramma loreto for individual experiences with this species, Gramma loreto. Feel free to add your own personal experiences.

Common Name
Royal Gramma
Binomial Name
Gramma loreto
Gramma loreto 03.jpg
Scientific Classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Grammidae
Genus: Gramma
Species: loreto

Common Names

  • Royal Gramma



The distinguishing features of Gramma spp. are an interrupted or missing lateral line, and a continuous dorsal fin without any noticeable notches in the membrane between dorsal spines. Magenta or purple on the front portion of the body, and yellow on the rear portion.

Similar Species

Often confused with the Royal Dottyback (Pseudochromis paccagnellae), the Royal Gramma's colors are harsher and it has a black line that runs through both eyes.

Maximum Size


Associated Organisms



A peaceful fish somewhat territorial displaying acts of aggression with an wide open mouth.

Captive Care

Tank Size

100 liters (or 30 gallons) is generally the recommended tank size as stated by many web pages and book references

Water Flow

Med to high as per where they live in the wild


Med to high as per where they live in the wild


All Basslets are carnivorous fish that will readily accept all forms fish food. Will do better on a variety of fresh food.

Growth Rate

Extremely fast growth rate under optimal conditions long living fish reports of 13 years +


All Basslets are very hardy fish and generally disease resistant.


Basslets are generally shy fish quickly retreating into their dens when they feel threatened and they need a lot of rockwork for cover.




Will not tolerate other of the same species in small tanks.


Reef Safe


May take small ornamental invertebrates


One of the first fish to ever be breed in captivity they require a small cave in which to spawn. When they are ready to spawn they will clean out the caves, line the bottom with Caulerpa and use coral rubble to cover most of the entrance to the cave

Local Ecology


Western Central Atlantic: Bermuda, Bahamas, and Central America to northern South America.


Gramma spp. live next to steep reef fronts, so called “walls”. This is also the typical habitat for the other members of the genus Gramma. At the top of the wall, you can find Royal Gramma from the surface down to a depth of roughly 60-80 feet (18-24 meters).

Additional Information

Availability in Australia, they come in waves but are never readily available or common.