Indigo Hamlet (Hypoplectrus indigo)
The Caribbean Indigo Hamlet (Hypoplectrus indigo) is a stunning and eye-catching addition to saltwater aquariums. Known for its deep indigo-blue coloration and compact, grouper-like body, this species adds rich color and bold personality while still maintaining a classic Caribbean reef appearance.
Native to Caribbean reefs and rocky habitats, Indigo Hamlets appreciate plenty of live rock with caves, ledges, and overhangs where they can perch and feel secure. They are generally peaceful toward similarly sized fish but can be territorial with other hamlets or very small tank mates.
This species is hardy and adapts well to captivity, readily accepting a carnivorous diet of meaty frozen foods such as mysis shrimp, brine shrimp, and finely chopped seafood.
| Specs | Details |
|---|---|
| Species | Hypoplectrus indigo |
| Origin | Caribbean reefs |
| Size (adult) | Up to 4 inches |
| Temperament | Peaceful, territorial with similar species |
| Diet | Carnivorous: frozen mysis, brine shrimp, chopped seafood |
| Water Conditions | Salinity: 1.020–1.025, Temperature: 75–82°F, pH: 8.1–8.4 |
FAQ
What kind of habitat does the Indigo Hamlet need in a saltwater tank?
Indigo Hamlets require plenty of live rock with caves, ledges, and overhangs where they can perch and feel secure. A well-structured reef setup with hiding spots is recommended.
Is the Indigo Hamlet aggressive toward other fish?
They are generally peaceful toward similarly sized fish but can become territorial with other hamlets or very small tank mates.
What do Indigo Hamlets eat?
They accept a carnivorous diet of meaty frozen foods such as mysis shrimp, brine shrimp, and finely chopped seafood.

Felicity McLean –
The Indigo Hamlet is a striking addition to my reef tank. Its deep blue color stands out beautifully among the other fish. I’ve provided plenty of live rock for it to hide in, and it’s been active and calm since arrival. Feeds well on frozen mysis shrimp and brine shrimp.
Trevor Peters –
I was drawn to this fish for its vibrant color. It’s not shy and spends most of its time near the rock crevices. I’ve noticed it’s peaceful with larger fish but keeps a distance from other hamlets. Easy to care for and a great visual focal point.
Simon Kerr –
After a few weeks, the Indigo Hamlet has become a regular sight in my tank. It’s active, colorful, and doesn’t seem stressed. I feed it a mix of frozen foods daily and it eats readily. The tank looks more dynamic now with its presence.