Lighting
50-150 PAR is a starting range; fleshy tissue should expand without paling, stretching, or pulling against skeleton.
LPSIntermediateCare score 6/10
Hydnophora Coral
Hydnophora spp.
Hydnophora Coral LPS guide focused on horn-like hydnophores, lookalike separation from Galaxea Coral and Pavona Coral, and early checks for aggressive ridge contact before changing light or flow.
Compare horn-like hydnophores, care range, and nearby lookalikes while checking an ID.
Snapshot
Quick Care Snapshot
- Difficulty
- Intermediate
- Care score
- 6/10
- Placement
- Low
- PAR range
- 50-150 PAR
- Flow
- Moderate
- Aggression
- High
- Growth rate
- Slow
- Minimum tank age
- 4 months
- Minimum tank size
- 25 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.
- Verify taxonomy before species-level SEO or care claims.
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: Ryan McMinds
Source: Wikimedia Commons. License: CC BY 3.0
Photo: Anne Hoggett
Source: Wikimedia Commons. License: CC BY 3.0
Photo: Ryan McMinds
Source: Wikimedia Commons. License: CC BY 3.0
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
- 76-80 F / 24.4-26.7 C
- Salinity
- 1.024-1.026
- Alkalinity
- 8-9.5 dKH
- Calcium
- 400-460 ppm
- Magnesium
- 1250-1400 ppm
- Nitrate
- 2-15 ppm
- Phosphate
- 0.03-0.1 ppm
Care
Care Notes
Flow
moderate indirect flow should move tissue gently without folding it into sharp skeleton or neighbors.
Stability
For Hydnophora Coral, verify salinity and alkalinity trends before changing placement; repeated moves and direct corrective swings can irritate fleshy tissue.
Variability
Hydnophora Coral 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
- small meaty foods, mysis, LPS pellets
- Frequency
- weekly when feeding response is visible
ID
Identification
Key features
- horn-like hydnophores
- encrusting or branching growth
- strong sting
Common colors
- Green
- Yellow
- Brown
Similar coral references
How to tell apart
For Hydnophora Coral, start with horn-like hydnophores, encrusting or branching growth, and strong sting before checking color. Compare it with Galaxea Coral and Pavona Coral by looking at corallite walls, polyp shape, tissue inflation, and where recession begins, especially after polyps or tissue are fully extended. Because trade photos can exaggerate color, skeleton shape, polyp layout, and expansion pattern are stronger clues than color alone.
Placement
Compatibility
Compatibility depends on specimen size, flow, growth, aggression, and spacing. Use these references conservatively and watch for contact over time.
Usually compatible with spacing
Use caution near
Avoid close placement with
Spacing recommendation: keep about 6 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.
Hydnophora Coral aggressive ridge contactOpen for symptoms, likely causes to check, and practical next steps.
Symptoms that may indicate it
- neighboring corals show sharp localized recession near hydnophora ridges
- Hydnophora Coral 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
- direct contact, too little spacing, or growth into adjacent colonies
- recent placement, lighting, flow, or chemistry changes affecting Hydnophora Coral
- possible irritation from neighbors, pests, detritus, or handling depending on the coral group
Quick checks
- check Hydnophora Coral alkalinity trend and look for nearby stinging contact
- reduce direct flow if tissue is pressed against skeleton
- increase spacing and observe the coral under white light and after lights out
Checklist
Common Mistakes
- do not place Hydnophora Coral in mixed LPS gardens with soft spacing assumptions
- placing Hydnophora Coral before confirming horn-like hydnophores and its spacing needs
- using Hydnophora Coral color or trade name alone instead of comparing it with Galaxea Coral
- changing light, flow, and chemistry together when Hydnophora Coral looks irritated
- ignoring fleshy tissue protection from direct flow when keeping Hydnophora Coral
Compare
Similar Corals
Neighbors
Compatible Corals
These corals are usually compatible with spacing, observation, and stable conditions. This is not a guarantee.
Usually compatible with spacing
Favia
Dipsastraea spp. / Favia spp.
- Category
- LPS
- Difficulty
- Intermediate
- Aggression
- Moderate
Usually compatible with spacing
Favites
Favites spp.
- Category
- LPS
- Difficulty
- Intermediate
- Aggression
- Moderate
Usually compatible with spacing
Brain Coral
Trachyphyllia spp. / Lobophyllia spp. / Platygyra spp.
- Category
- LPS
- Difficulty
- Intermediate
- Aggression
- Moderate
FAQs
FAQs
Is Hydnophora Coral beginner friendly?
Hydnophora Coral is better treated as intermediate because placement, flow, feeding response, or aggression can vary by specimen.
Where should Hydnophora Coral be placed?
Start Hydnophora Coral low in the tank or on the sand/low rockwork when its tissue form allows it. Use 50-150 PAR and moderate flow as a starting point, then adjust from tissue extension, color, and nearby coral response.
Should I target feed Hydnophora Coral?
Hydnophora Coral may benefit from careful target feeding with small meaty foods, mysis, and LPS pellets. Use the listed frequency as a starting point: weekly when feeding response is visible. Feed only when the coral accepts food and avoid forcing food into stressed tissue.
Can Hydnophora Coral touch other corals?
Give Hydnophora Coral about 6 inches of clearance as a starting point. Its database aggression level is High. Use caution near Acan Coral, Blastomussa, and Candy Cane Coral. Avoid close placement with Zoanthids, Mushroom Coral, and Acropora. Compatibility is not a guarantee, so check contact points as colonies expand.
What should I check if Hydnophora Coral looks stressed?
Use this as a troubleshooting check. For Hydnophora Coral, neighboring corals show sharp localized recession near hydnophora ridges and Hydnophora Coral shows less normal extension, inflation, or feeding response than its recent baseline can indicate Hydnophora Coral aggressive ridge contact. Likely causes to check include direct contact, too little spacing, or growth into adjacent colonies and recent placement, lighting, flow, or chemistry changes affecting Hydnophora Coral. Start with these database checks: check Hydnophora Coral alkalinity trend and look for nearby stinging contact and reduce direct flow if tissue is pressed against skeleton.
What stability issue matters most for Hydnophora Coral?
For Hydnophora Coral, verify salinity and alkalinity trends before changing placement; repeated moves and direct corrective swings can irritate fleshy tissue. The database lists 4 months as the minimum tank age and 25 gallons as the minimum tank size. For LPS-style care, protect fleshy tissue from repeated moves, direct flow, and abrupt chemistry corrections.
Coral Identifier
Identify Hydnophora Coral.
Compare likely matches.
Use the app to compare photos, lookalikes, and key visual clues when you want a second pass on an ID.
Compare horn-like hydnophores, care range, and nearby lookalikes while checking an ID.
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