CoralBeginner care20g minimum

Acan coral reef compatibility check

Micromussa lordhowensis

Quick answer

Acan coral (Micromussa lordhowensis) is a beginner-level LPS coral that needs at least 20 gallons. It is listed as reef safe; can be damaged by too much direct light or flow. Plan moderate light and low flow (placement: lower rockwork or sandbed).

Colorful LPS for calmer zones in stable beginner-to-mixed reefs.

Minimum tank
20 gallons
Care level
Beginner
Reef safety
Safe
Bioload score
0.3
Stocking stage
Middle
Flow need
Low
Light need
Moderate

Who it is for

Good fit for

  • ✓ Tanks of 20+ gallons at the animal's adult size.
  • ✓ Beginners following a slow, planned stocking order.
  • ✓ Newly cycled tanks with a compatible stocking list.
  • ✓ Reef tanks with corals and invertebrates.

Not a fit for

  • ✕ Tanks under 20 gallons, even while it is small.
  • ✕ Can be damaged by too much direct light or flow.

Compatibility warnings

  • Can be damaged by too much direct light or flow.
  • Check adult size against the final tank, not the fish or coral at purchase size.
  • Add livestock slowly so the bioload and nutrient export can keep up.
  • Use the planner when this animal changes the tank-size, flow, lighting, or stocking plan.

Professional planning context

  • Use the 20 gallon minimum as an adult-planning floor; display length, aquascape, and existing tankmates can raise that floor.
  • This can be planned early after cycling, but only after quarantine/acclimation logistics and stocking order are settled.
  • Placement should be validated against measured PAR, turbulent flow, allelopathy/stinging distance, and future colony growth.

Tank fit and maturity gate

Tank minimum
20 gallons

ReefCrafter uses 20 gallons as the planning floor for adult size, swimming room, nutrient load, and aggression margin.

Maturity gate
No special delay

This species can be planned early when the tank is cycled and the rest of the stocking list is compatible.

Care notes

Temperament
Varied
Reef safety
Safe
Adult size
5 in
Placement
lower rockwork or sandbed
Diet
Build dependent
Flow
Low
Light
Moderate
Bioload
0.3
Stocking stage
Middle

Related species

Equipment that fits

Related reading

Questions

What size tank does acan coral need?

ReefCrafter plans for at least 20 gallons, based on an adult size of about 5 inches, plus growth space and the stability a larger water volume gives. Use the adult size, not the size at purchase.

Is acan coral reef safe?

It is listed as reef safe in ReefCrafter's catalog. Watch for: Can be damaged by too much direct light or flow.

Is acan coral good for beginners?

Yes. It is rated beginner care.

How much light and flow does acan coral need?

ReefCrafter lists a moderate light need and low flow (placement: lower rockwork or sandbed). In planner terms that starts around 100 PAR.