Royal Gramma

Gramma loreto

(17 Reviews)

Royal Gramma

Royal Gramma

Gramma loreto

(17 Reviews)

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Royal Gramma Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Carnivore
Reef Safe: Yes
Minimum Tank Size: 30 gallons
Max Size: 3 inches
The Royal Gramma, Gramma loreto, has a bisecting color patter with its front half purple and its back half a bright orange or yellow. Like other Basslets they should not be housed with another Basslets to avoid aggression, but can be kept safely and peacefully in a reef tank with other tank mates. They are very hardy making them easy to acclimate and care for.
Corals and larger invertebrates like shrimp are safe from this Basslet, though they will consume very small invertebrates such as amphipods , isopods and copepods. Diet should include a variety of live or frozen mysis shrimp and vitamin enriched brine shrimp 1-2 times daily.

The Royal Gramma: A Captivating Addition to Saltwater Marine Aquariums

The Royal Gramma (Gramma loreto) is a captivating and visually stunning addition to saltwater marine aquariums, celebrated for its vibrant coloration and unique behaviors. For instance, hanging upside down in its chosen cave structure. With its bold presence and captivating personality, this species has become a favored choice among marine enthusiasts. In this product review, we will delve into various aspects of the Royal Gramma, including its natural habitat, compatibility with reef aquariums, size, lifespan, dietary preferences, aquaculture potential, temperament, suitable tank mates, tank requirements, water conditions, alternative common names, compatible tank mates, and the advantages of acquiring Royal Grammas from

Habitat and Distribution:

The Royal Gramma is native to the warm waters of the Caribbean Sea and parts of the western Atlantic Ocean. It inhabits rocky crevices and coral-rich areas, where it finds shelter and safety.

Reef Compatibility:

The Royal Gramma is considered reef safe, making it an excellent addition to coral reef systems. It rarely disturbs coral polyps or other invertebrates, allowing for harmonious coexistence.

Size and Lifespan:

This species typically reaches a length of about 3 inches (7.5 cm). Royal Grammas can live for 5 to 10 years with proper care, gracing your aquarium with their presence for a significant period.


The Royal Gramma is a carnivorous species that primarily feeds on small crustaceans and zooplankton. A diverse diet that includes high-quality marine pellets, frozen foods, and live prey will contribute to their well-being.

Aquaculture Potential:

Royal Grammas are available in the aquarium trade, with wild-caught and aquacultured options slowly becoming available.


Royal Grammas are generally peaceful and can be kept in community aquariums. They establish territories within rock crevices, where they retreat when feeling threatened.

Suitable Tank Mates:

Dwarf Angelfish (e.g., Flame Angelfish): Certain dwarf angelfish species can coexist harmoniously with Royal Grammas, creating a visually appealing tank environment.

Basslets: Other basslet species with varying colors and behaviors can share the tank with Royal Grammas, adding diversity to the ecosystem.

Blennies (e.g., Tailspot Blenny): Peaceful blennies can cohabitate with Royal Grammas, contributing to the dynamics of the aquarium.

Wrasse (e.g., Six Line Wrasse): Peaceful wrasse species can create an engaging tank environment alongside Royal Grammas.

Hawkfish (e.g., Flame Hawkfish): Hawkfish with distinct characteristics can coexist with Royal Grammas, enhancing the visual interest of the aquarium.

Tank Requirements and Water Conditions:

A tank size of at least 30 gallons is recommended for Royal Grammas, providing them with ample space to explore. Stable water parameters, proper filtration, and suitable lighting are essential for their health and well-being.

Other Common Names:

In addition to the name "Royal Gramma" or "Gramma loreto," this species is sometimes referred to as the "Royal Gramma Basslet."

Why Choose

Sourcing Royal Grammas from offers several advantages. Their commitment to ethical and sustainable practices ensures you receive healthy and responsibly sourced specimens. provides comprehensive information about each species, aiding in well-informed decision-making. With a range of options, exceptional customer support, and a streamlined purchasing process, guarantees a smooth and satisfying experience for marine enthusiasts.

In conclusion, the Royal Gramma (Gramma loreto) is a captivating and visually stunning addition to saltwater marine aquariums. Its vibrant coloration and unique behaviors make it a cherished member of marine ecosystems. By providing suitable tank arrangements and selecting compatible tank mates, enthusiasts can appreciate the elegance and vibrancy of these captivating fish in their aquatic havens. When considering the acquisition of this remarkable species, choosing ensures a reliable and ethical source that prioritizes the health and well-being of marine life. With proper care and attention, the Royal Gramma can become a captivating and iconic centerpiece in any saltwater aquarium, enriching the allure and beauty of the underwater world.

Royal Grandma's arrived quickly. A week later, and they are active and friendly. Very happy with the new members of my tank

Reviewed by: Kerry Ybarra on March 18, 2021

Beautiful colors and great size!

Reviewed by: Laura on Dec. 31, 2019

Awesome customer service. This was a replacement. Arrived the next day. Did the whole acclimation process. Fishes hide for a few swims around in front of tank eating, looking colorful and healthy.

Reviewed by: Frank From Sj on Aug. 29, 2017

Bought the small one and the colors are fantastic! Great addition.

Reviewed by: Debi Bush on April 6, 2017

My Royal Gramma arrived perfect and healthy. An absolutely beautiful fish. I'm totally happy with's service and fish.

Reviewed by: Martha Hebrew on Feb. 20, 2017

This is a beautiful fish. When it came in, I had my doubts. It played in the acclimation/qt tank for several hours. I added him and she promptly swam out of sight. Ten days later, it is nearing out of the rocks to grab flake and mysis shrimp. I think she will be OK.

Reviewed by: Eric Roberts on Aug. 22, 2016

Lovely and eye-catching when ventures from nook. Stays around to socialize with community seemingly always, though often checks into home real quick then back out and about!

Reviewed by: Brent R Witt on Aug. 15, 2016

The fish was shipped extremely well, and it was a perfect addition to my reef tank. I acclimated according to the instructions, and I have had no problems with any of the fish I have received. What more can you ask for? Cheaper then my local fish store and it was delivered to my front door the next day.

Reviewed by: Josh on Feb. 7, 2016

I ordered the small one. Never seen one that small. But he is healthy and has staked a claim on a section of rock

Reviewed by: Michael Murphy on Feb. 5, 2016

Love this fish....arrived healthy and active. Colors are as nice as his attitude!

Reviewed by: Lora Stroud on Jan. 15, 2016

Thought she wasn't going to make it when I opened the box. I acclimated her for 4 Hours and she pulled through. Took about 2 full days before she started coming out of her cave. Now she is swimming out in the open and is doing very well. Beautiful fish!

Reviewed by: Steve Myrtle on May 11, 2015

Very lovely and healthy fish, well packaged and appeared perky on arrival.

Reviewed by: Mara Palipchak on April 6, 2015

Great little guy. Great color, eats well and once accustomed to the tank, is out 90% of the time even with fish a lot larger than him. No aggression and great color, what else could you ask for?

Reviewed by: Richard Thomas on Feb. 4, 2015

Beautiful fish. But it is very shy for the first few days. Couldn't even find it 2 days straight. 4th day it is getting along great with everything now.

Reviewed by: Kevin on Jan. 7, 2015

Reviewed by: Gary on Nov. 7, 2014

Very nice specimen received from SWF, healthy and colorful. He started out hiding but now spends most of his time in sight and he has a voracious appetite.

Reviewed by: Geoff on Sept. 1, 2014

Another beautiful and healthy fish.

Reviewed by: Rob on July 6, 2014

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