Splendid Dottyback Care Guide

Manonichthys splendens · Saltwater Dottyback

Splendid Dottyback
AI-generated illustration of Splendid Dottyback
Adult size
~3″ (7.6 cm)
Suggested tank
20+ gal
Placement
Middle to Lower
Flow
Medium

What Splendid Dottyback look like

The Splendid Dottyback (Manonichthys splendens) exhibits a striking coloration, characterized by a vibrant blue body adorned with yellow and orange markings, particularly prominent on the dorsal and anal fins. Adults can reach a maximum size of approximately 3 inches (7.6 cm) in standard length. Sexual dimorphism is subtle, with males typically displaying more intense coloration and larger dorsal fins compared to females. This species possesses a robust, elongated body with a slightly compressed profile, and features a terminal mouth with conical teeth adapted for feeding on small invertebrates. The presence of a lateral line system aids in detecting water movements, while the dorsal fin is continuous and elongated, contributing to its agile swimming capabilities. Defensive adaptations include a tendency to retreat into crevices or anemones when threatened, utilizing its vibrant colors as a warning signal to potential predators.

Behavior & temperament

The Splendid Dottyback is known for its territorial nature, often establishing dominance over a specific area within the reef. It typically occupies the mid to lower levels of the water column, frequently found among coral structures and rock crevices. Breeding behavior involves the male displaying courtship rituals that include fin flaring and swimming in circles around the female. This species exhibits a moderate level of aggression, particularly towards intruders within its territory, making it a bold and assertive inhabitant of the reef ecosystem. Social hierarchies can form, with dominant individuals asserting control over feeding and breeding resources.

Diet & feeding

In the wild, the Splendid Dottyback primarily feeds on small crustaceans and zooplankton, showcasing a carnivorous diet. In captivity, it requires a varied diet consisting of high-quality frozen or live foods such as brine shrimp, mysis shrimp, and finely chopped seafood to thrive.

Behind the name

The genus name 'Manonichthys' is derived from Greek, where 'manos' means 'thin' and 'ichthys' means 'fish', while the species name 'splendens' is Latin for 'shining' or 'brilliant', referring to its vibrant coloration.

Plan your tank

Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.

Keeping Splendid Dottyback?

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