Opistognathus whitehursti

Dusky Jawfish

saltwater

Bioload 0.3

Advanced care

Opistognathidae

Care at a glance

Keep the full range stable rather than chasing a single perfect number. Acclimate slowly and test water before making any major change.

Temperature

24–27°C

pH range

8.1–8.4

Minimum tank

160 litres

Typical lifespan

8 years

Diet

Carnivore

Origin

Western Atlantic

Adult size

Up to 14 cm

Community planning

No simple community match is listed. Review temperament, size and individual behaviour carefully.

Watch for

marine ichstress

Planning to add this species?

Use the compatibility checker before purchase, then quarantine new livestock where possible.

Check compatibility

Profile provenance

Transparent care data

IUCN LC

Taxonomy, adult size and available environmental fields come from FishBase release 26.07. Tank volume and any labelled planning baselines are conservative FishSnap estimates—not guarantees.

View FishBase species record