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SPSAdvancedCare score 9/10

Acropora Echinata

Acropora echinata

Acropora Echinata SPS guide focused on delicate branching Acropora, lookalike separation from Acropora and Acropora Tenuis, and early checks for thin-branch tip recession before changing light or flow.

Compare delicate branching Acropora, care range, and nearby lookalikes while checking an ID.

Snapshot

Quick Care Snapshot

Difficulty
Advanced
Care score
9/10
Placement
High
PAR range
250-450 PAR
Flow
High
Aggression
Low
Growth rate
Moderate
Minimum tank age
9 months
Minimum tank size
40 gallons

Care note

This entry has low confidence or is marked for expert review. Treat the ranges as conservative starting points and compare them with your own system.

  • Review advanced-care ranges against specimen source and aquaculture history.

Images

Reference Photos

Photos are shown only when a source includes reusable license metadata. Always verify appearance against the coral in your own lighting and flow.

Primary reference: MDC Seamarc Maldives

Source: Wikimedia Commons. License: CC BY-SA 4.0

Photo: MDC Seamarc Maldives

Source: Wikimedia Commons. License: CC BY-SA 4.0

Ranges

Water Parameters

These ranges are approximate starting points from the coral database and should be adjusted to the stability and history of your system.

Temperature
76-79 F / 24.4-26.1 C
Salinity
1.025-1.026
Alkalinity
7.5-8.8 dKH
Calcium
400-460 ppm
Magnesium
1280-1400 ppm
Nitrate
1-10 ppm
Phosphate
0.02-0.08 ppm

Care

Care Notes

Lighting

250-450 PAR is a working SPS starting range; raise light slowly and watch tips, color, and polyp extension rather than chasing PAR alone.

Flow

high varied flow should keep the surface clean without blasting one side of the colony.

Stability

For Acropora Echinata, check alkalinity, temperature, and nutrient trends before moving the frag; sudden corrections are often more risky than modestly imperfect numbers.

Variability

Acropora Echinata requirements vary by specimen, aquaculture history, shipping stress, and tank maturity; use these ranges as starting points, not guarantees.

Feeding

Feeding

Benefits from feeding
Yes
Food types
amino acids, fine planktonic foods, fish waste
Frequency
optional light broadcast feeding; stability is more important

ID

Identification

Key features

  • delicate branching Acropora
  • smooth bottlebrush look
  • small radial corallites

How to tell apart

Delicate bottlebrush branches distinguish it from Acan echinata, which is an LPS coral. For Acropora Echinata, start with delicate branching Acropora, smooth bottlebrush look, and small radial corallites before checking color. Compare it with Acropora and Acropora Tenuis by looking at branch shape, corallite texture, growth edge, and where paling starts, especially after polyps or tissue are fully extended. Use growth form, corallite texture, and polyp extension before trusting a trade name because color can shift with light and nutrients.

Placement

Compatibility

Compatibility depends on specimen size, flow, growth, aggression, and spacing. Use these references conservatively and watch for contact over time.

Spacing recommendation: keep about 3 inches of clearance, then adjust based on extension and neighboring coral response.

Troubleshooting

Common Problems

Use these as troubleshooting checks, not a diagnosis. Symptoms may point to more than one issue.

Acropora Echinata thin-branch tip recessionOpen for symptoms, likely causes to check, and practical next steps.

Symptoms that may indicate it

  • delicate branches show pale tips or patchy tissue loss
  • Acropora Echinata shows less normal extension, inflation, or feeding response than its recent baseline
  • changes are localized rather than a confirmed single-cause condition

Likely causes to check

  • light shock, low nutrients, pests, or unstable alkalinity
  • recent placement, lighting, flow, or chemistry changes affecting Acropora Echinata
  • possible irritation from neighbors, pests, detritus, or handling depending on the coral group

Quick checks

  • check Acropora Echinata alkalinity and temperature trends before changing placement
  • inspect shaded bases and branch tips under white light
  • adjust light or flow gradually rather than making several corrections at once

Checklist

Common Mistakes

  • treat Acropora Echinata as sensitive even when sold as a named color morph
  • placing Acropora Echinata before confirming delicate branching Acropora and its spacing needs
  • using Acropora Echinata color or trade name alone instead of comparing it with Acropora
  • changing light, flow, and chemistry together when Acropora Echinata looks irritated
  • ignoring stable alkalinity when keeping Acropora Echinata

Compare

Similar Corals

Neighbors

Compatible Corals

These corals are usually compatible with spacing, observation, and stable conditions. This is not a guarantee.

FAQs

FAQs

Is Acropora Echinata beginner friendly?

Acropora Echinata is not a beginner coral. It needs mature-system stability and careful observation, and the listed values should be reviewed before publication.

Where should Acropora Echinata be placed?

Place Acropora Echinata high only after light acclimation and stable alkalinity are proven. Use 250-450 PAR and high flow as a starting point, then adjust from tissue extension, color, and nearby coral response.

Does Acropora Echinata need coral food or mainly stability?

Acropora Echinata may use amino acids, fine planktonic foods, and fish waste, but the database feeding note is conservative: optional light broadcast feeding; stability is more important. For SPS-style care, stable light, flow, alkalinity, and nutrient trends usually matter more than heavy feeding.

How should I space Acropora Echinata near LPS or fast-growing corals?

Give Acropora Echinata about 3 inches of clearance as a starting point. Its database aggression level is Low. Use caution near Pocillopora and Montipora Capricornis. Avoid close placement with Torch Coral, Elegance Coral, and Chalice Coral. Compatibility is not a guarantee, so check contact points as colonies expand.

What should I check if Acropora Echinata looks stressed?

Use this as a troubleshooting check. For Acropora Echinata, delicate branches show pale tips or patchy tissue loss and Acropora Echinata shows less normal extension, inflation, or feeding response than its recent baseline can indicate Acropora Echinata thin-branch tip recession. Likely causes to check include light shock, low nutrients, pests, or unstable alkalinity and recent placement, lighting, flow, or chemistry changes affecting Acropora Echinata. Start with these database checks: check Acropora Echinata alkalinity and temperature trends before changing placement and inspect shaded bases and branch tips under white light.

What stability matters most for Acropora Echinata?

For Acropora Echinata, check alkalinity, temperature, and nutrient trends before moving the frag; sudden corrections are often more risky than modestly imperfect numbers. The database lists 9 months as the minimum tank age and 40 gallons as the minimum tank size. For SPS-style care, avoid sudden corrections and check trends before moving the frag or changing light.

Coral Identifier

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