Black Cap Basslet

Black Cap Basslet

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The Black Cap Basslet, also known as the Gramma melacara, is a popular and colorful saltwater fish among marine aquarists. Here is an overview of the Black Cap Basslet.


The Black Cap Basslet has a deep purple to blue coloration on the front half of its body, with a black cap and yellow tail. It has a slender body and can grow up to 3 inches in length.


The Black Cap Basslet is generally peaceful and can be kept with other non-aggressive fish. It is also reef-safe and will not harm coral or invertebrates. It is a shy fish and may spend a lot of time hiding in caves or other hiding places.


The Black Cap Basslet is compatible with most other peaceful and non-aggressive fish, but may be territorial with other basslets or similar species. It is also compatible with most invertebrates, including shrimp and crabs.

Tank Requirements:

The Black Cap Basslet requires a tank size of at least 30 gallons with plenty of live rock and hiding places. It prefers a moderate water flow and a well-maintained aquarium with stable water conditions.

Water Parameters:

The Black Cap Basslet prefers a pH of 8.1-8.4, a salinity of 1.024-1.026, and a temperature of 75-82°F. Nitrate and phosphate levels should be kept as low as possible, and regular water changes are necessary to maintain stable water conditions.


The Black Cap Basslet is a carnivorous fish and will require a varied diet that includes meaty foods such as brine shrimp, mysis shrimp, and small pieces of fish or shrimp. It should be fed twice a day, with only as much food as it can consume in 2-3 minutes.

Overall, the Black Cap Basslet is a colorful and peaceful fish that can thrive in a well-maintained and stable saltwater aquarium.