Can I keep a Scooter Dragonet in a new tank?

No, Scooter Dragonets require an established aquarium (running for at least 6 months) with a vast, self-sustaining population of live copepods. In a new tank, they will quickly starve.

How can I tell the difference between a male and a female Scooter Dragonet?

Males have a dramatically larger, sail-like first dorsal fin adorned with bright spots (ocelli), which they frequently flash. Females have much smaller, plainer dorsal fins.

Are Scooter Dragonets actually blennies?

Despite their common trade name 'Scooter Blenny', they are not blennies. They belong to the dragonet family (Callionymidae), making them close cousins to the Mandarinfish.

Do they eat flatworms?

Some individual Scooter Dragonets have been observed eating small planaria or red flatworms, but they are not a reliable or guaranteed biological control for flatworm infestations.

Will a Scooter Dragonet eat flake or pellet food?

It is extremely rare for a wild-caught Scooter Dragonet to accept dry foods. Some can be trained to eat frozen foods like Mysis, but their primary and required diet is live copepods.

MarineMarineAdvanced

Scooter Dragonet

Synchiropus ocellatus

A fascinating, bottom-dwelling marine fish known for its hopping locomotion and strict dietary requirement for live copepods.

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Ideal Conditions

Temperature: 22 – 26 °C
pH range: 8.1 – 8.4
Hardness: 8 – 12 dGH
Salinity: 1.023 – 1.025 SG
Adult size: 7 – 9 cm
Mature tank with heavy live rock: 110 litres+
Lifespan: 3 – 5 years
Diet: Carnivore
Water flow: Moderate
Preferred setup: Abundant live rock and an established sand bed.

About the Scooter Dragonet

Despite frequently being sold as a 'Scooter Blenny', the Scooter Dragonet actually belongs to the Callionymidae family. It features a mottled, highly camouflaged body that allows it to blend seamlessly into sandy substrates and live rock. Males possess a dramatically enlarged first dorsal fin, patterned with striking eyespots, which they repeatedly flash during courtship or territorial displays. They are peaceful towards most tankmates but require mature aquariums to thrive and avoid starvation.

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Is it right for your tank?

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Where Scooter Dragonet comes from

Native range

Western Pacific Ocean, Indo-Pacific

Countries / regions

Australia, Japan, Fiji, Indonesia, Philippines

Habitat

Sandy patches and rubble zones of shallow lagoons and seaward reefs.

Widespread across the Indo-Pacific, ranging from the southern islands of Japan down to the Great Barrier Reef and eastwards to the Marquesas Islands.

Similar species

Mandarinfish
Synchiropus splendidus
Spotted Mandarin
Synchiropus picturatus
Ruby Red Dragonet
Synchiropus sycorax

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

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Ocellaris Clownfish
Amphiprion ocellaris
Occupy different levels of the aquarium and will completely ignore the bottom-dwelling dragonet.
Great
Firefish
Nemateleotris magnifica
A peaceful mid-water species that will not compete with the dragonet for benthic microfauna.
Great
Six Line Wrasse
Pseudocheilinus hexataenia
Highly active foragers that can quickly decimate the pod population, potentially outcompeting the dragonet for food.
Compatible with caution
Another Male Scooter Dragonet
Synchiropus ocellatus
Males are highly territorial towards one another and will fight relentlessly if housed in the same system.
Not recommended
Hawkfish
Aggressive, predatory bottom-dwellers that may bully, harass, or even attempt to eat small dragonets.
Not recommended

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