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Indo-PacificAustraliaTorres StraitWestern Indian OceanWestern PacificCentral Pacific

Acropora Tenuis Coral

Acropora tenuis

Image credit: Kate Osborne · Wikimedia Commons · CC BY 4.0 · Source · Licence details

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Global species information is maintained separately from regional and consumer-specific context.

Acropora Tenuis Coral (Acropora tenuis) is a branching Indo-Pacific reef coral represented here by a source-identified corallite record from Torres Strait.

Structured aquarium care

Responsible care profile

This commonly traded Acropora still requires verified identity, documented origin, pest quarantine, and gradual photoacclimation.

Care-source supported

The structured record includes multiple references and at least one dedicated aquarium-care source.

4 referenced sources
Experience
advanced SPS specialist
Minimum volume
285 L / 75 US gal
Preferred volume
475 L / 125 US gal
Adult size
Not specified
Reef safety
conditional
Social plan
single documented colony with growth space
Minimum footprint
120 × 50 cm / 47.2 × 19.7 in mature SPS reef

Water

Temperature
24–27 °C / 75.2–80.6 °F
Specific gravity
1.024–1.026
pH
8.1–8.4
Calcium
400–450 ppm
Alkalinity
7.5–9 dKH
Magnesium
1250–1400 ppm

Habitat

stable permanent mount; high measured reef lighting; wide branching growth envelope.

Not applicable; keep every branch in oxygenated moving water.

Light: High, stable reef lighting after gradual acclimation.

Flow: Strong random turbulent flow without a constant tissue-stripping jet.

Feeding

photosymbiotic planktivore. Stable light and dissolved nutrients are foundational; occasional fine marine plankton may supplement growth.

Prioritize stable alkalinity, temperature and salinity over chasing rapid growth.

Compatibility

Allow for branch extension, shading and contact aggression.

Avoid or assess carefully: corallivorous fish, stinging neighbouring corals, unstable new aquariums.

Acclimation and quarantine

Require lawful provenance, quarantine and inspect for flatworms, red bugs and tissue loss; acclimate light gradually.

Stocking safeguards

Suitability: advanced-only. Starvation risk: moderate.

After chemistry, flow and lighting remain stable for an extended period.

  • No immature or chemically unstable aquarium
  • No undocumented CITES origin
  • No placement without pest quarantine

Special risks

  • Rapid tissue necrosis
  • Acropora-eating flatworms
  • Red bugs
  • Light shock
  • Regulated trade

Habitat and Distribution

A branching Indo-Pacific reef coral represented here by a source-identified corallite record from Torres Strait. Its documented range includes Indo-Pacific, Australia, Torres Strait.

Feeding and Ecological Role

Receives most energy from photosynthetic symbionts and also captures plankton and suspended material.

Conservation and Responsible Sourcing

Consult current conservation and CITES sources and verify collection origin. Verify legal origin, collection method, and current trade requirements before acquisition.

Distribution & Habitat

Its recorded distribution includes the broad tropical Indo-Pacific. Its habitat includes upper reef slopes and shallow subtidal reef flats, commonly around 3 to 20 m.

Natural History

It forms branching colonies with an encrusting base and is a member of a morphologically variable species complex in which field identification can require care.

Conservation Context

Endangered (IUCN A3ce; SeaLifeBase 2025-2 context, assessed 27 April 2023). International trade is monitored under CITES Appendix II.

A living record

Taxonomy is checked against WoRMS and species context against Corals of the World; trade language points to the current CITES Appendices. Generic Acropora photographs remain genus-bound and are not assigned to species from appearance alone. Public content last reviewed September 14, 2026.