Splendid Dottyback (Manonichthys splendens)

The Splendid Dottyback is a striking and hardy marine fish, known for its brilliant purple-to-magenta body and bright yellow tail. This vibrant coloration makes it a standout in any reef or fish-only aquarium. Despite its small size, the Splendid Dottyback is bold and territorial, often defending its space with determination. Its hardy nature and adaptability make it an excellent choice for intermediate aquarists, provided its tankmates are chosen carefully.

Care Information

• Maximum Size: Up to 3.5 inches.
• Tank Size: 30 gallons minimum; requires plenty of rockwork and crevices for shelter and territory establishment.
• Diet: Carnivorous; thrives on a diet of frozen mysis shrimp, brine shrimp, finely chopped seafood, and high-quality marine pellets or flakes. Occasional treats like live foods can be offered for variety.
• Water Temp: 72-78°F.
• Salinity: 1.020-1.025.
• Aggression: Semi-aggressive; territorial and may harass smaller or more passive tankmates, particularly in confined spaces.
• Skill Level: Intermediate; requires a stable tank environment with carefully selected tankmates to prevent aggression.
• Reef Compatibility: Reef-safe; does not harm corals but may prey on small ornamental shrimp or other tiny invertebrates.

Special Feature - Vibrant Coloration
The Splendid Dottyback’s intense magenta-to-purple body and contrasting yellow tail create a striking visual impact in the aquarium, making it a popular choice for adding vibrant color to reef tanks.

Compatibility
This dottyback is best housed with similarly bold or semi-aggressive tankmates that can hold their own, such as larger clownfish, wrasses, or dwarf angelfish. Avoid pairing it with very passive or slow-moving species, as it may outcompete them for food or intimidate them.

Coloration

• Indo-Pacific Region: The Splendid Dottyback displays a deep magenta-to-purple body with a bright yellow tail. Its compact size and vivid coloration make it a dynamic addition to smaller and medium-sized tanks​.

Typical Habitat

• Distribution: Native to the Indo-Pacific, particularly in coral-rich reef zones where it hides among rock crevices. In aquariums, it thrives in setups with plenty of live rock for shelter and territories.