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Fish Saltwater Care: hard Peaceful

Red Scooter Dragonet

Synchiropus stellatus
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Other names: Red scooter blenny, Starry dragonet, Stellate dragonet, Synchiropus stellatus
Group: Marine fish · Family: Callionymidae · Origin: Indian Ocean — from East Africa to Sumatra and the oceanic islands

A small dragonet recognized by its red-and-white spotted body and the male's patterned, sail-like dorsal fin. It feeds on copepods and amphipods; it only thrives in a mature reef aquarium rich in live food.

Will it suit my tank?

Last updated October 16, 2026

Temperature
24–27°C
pH
8.1–8.4
Adult size
7 cm
Minimum tank size
200 liters
Social structure
Pair
Swimming zone
Bottom
Diet
Carnivore
Breeding
Egg scatterer

Water parameters

Temperature24–27°C
pH8.1–8.4
Recommended range
Considered reef safe

Overview

October 16, 2026 · Suggest an edit

With its red-and-white spotted flat body and large dark blotches, the red scooter dragonet is the Indian Ocean relative of the scooter dragonet (Synchiropus ocellatus), which has its own page on the site. The male's first dorsal fin is tall and sail-like, decorated with lines and eyespots; the female's is small and plain. It reaches about 7 cm. In the wild it lives on sheltered coastal reefs, over rubble and algae-covered rocks, at depths of 10–20 meters. It feeds constantly on tiny crustaceans such as copepods and amphipods; although some individuals take frozen food over time, it depends on natural food. The specimens sold are wild-caught.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 200 liters; a mature aquarium with plenty of live rock that is at least 6 months old.
  • Salinity specific gravity 1.023–1.026, pH 8.1–8.4, temperature 24–27°C.
  • Reef-safe: it leaves corals and invertebrates alone.
  • A refugium or regular additions of live copepods help a great deal.

Diet

October 16, 2026 · Suggest an edit

Carnivorous. Its natural food is copepods and amphipods. Gradually introduce frozen copepods, finely chopped mysis and newly hatched brine shrimp; regularly check whether its belly stays full.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

Peaceful and slow; it cannot compete with fast-eating fish. Males are quarrelsome towards each other; 2–3 females can be kept per male.

Good companions: Clownfish, firefish goby, cardinalfish, calm blennies, ornamental shrimp.

Avoid: Other male dragonets, fish such as mandarins that consume the same copepod supply (in a small aquarium), hawkfish, tough damsels, dottybacks.

A short profile for this species

The Red Scooter Dragonet page has the basics, but the sections below have not been written yet. If you keep this species, write a section from your own experience; it will be published under your name after editor approval.

Tank mates

This list is calculated automatically from the species profile and grows as new species are added to the catalog. Try it in the planner for a definite answer.

Should not be kept together

Hobbyist notes

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Change history and contributors
  1. Page created · October 16, 2026