SKU: 16193705840

Duncans Coral Duncanopsammia Axifuga

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Description

Duncans Coral Duncanopsammia AxifugaDuncans Coral (Duncanopsammia axifuga)(Also known as Whisker Coral, Duncanopsammia Coral, or Duncan Coral) OverviewThe Duncan Coral (Duncanopsammia axifuga) is a hardy and attractive large polyp stony (LPS) coral, highly valued for its long, fleshy tentacles and ease of care. Each polyp features a round, button like mouth surrounded by gently waving tentacles in shades of green, purple, or brown, often with bright neon centres. Colonies grow by

Duncans Coral (Duncanopsammia axifuga)

(Also known as Whisker Coral, Duncanopsammia Coral, or Duncan Coral)

Overview

The Duncan Coral (Duncanopsammia axifuga) is a hardy and attractive large-polyp stony (LPS) coral, highly valued for its long, fleshy tentacles and ease of care. Each polyp features a round, button-like mouth surrounded by gently waving tentacles in shades of green, purple, or brown, often with bright neon centres. Colonies grow by sprouting new polyps from a branching skeletal base, forming compact, dome-shaped clusters. Peaceful and tolerant, Duncanopsammia is an ideal coral for beginners and experienced reef keepers alike, offering elegant motion and a strong feeding response under gentle flow.

Origin

Native to the Coral Sea, Great Barrier Reef, and surrounding Indo-Pacific regions. Found in shallow lagoons and reef slopes at moderate depths, typically in areas with gentle to moderate water movement and indirect light.

Feeding

The Duncan Coral is photosynthetic, containing zooxanthellae that provide much of its nutrition through photosynthesis. However, regular supplemental feeding promotes faster growth and fuller polyp extension. Offer 1–2 feedings per week of:

  • Mysis shrimp or enriched brine shrimp
  • Finely chopped marine meats or plankton blends
  • LPS-specific coral foods or marine snow

Feed when tentacles are extended — typically in the evening or under low flow. The coral’s polyps will readily close around food and ingest it.

Lighting

Moderate lighting. Provide balanced illumination using LED, T5, or metal halide lighting.

  • PAR range: 100–200 ¬µmol/m¬≤/s
  • Too much direct light may cause retraction or bleaching.
  • Blue-spectrum lighting enhances the coral’s vibrant green centres and tentacle glow.
Water Flow

Low to moderate, indirect flow. Gentle, variable movement allows for natural tentacle sway and debris removal. Avoid direct, high-intensity flow that could damage polyp tissue or cause excessive retraction.

Placement
  • Place on rockwork or sandy substrate in the lower to middle regions of the tank.
  • Ensure the base is stable and not shaded by larger corals.
  • Allow 5–10 cm (2–4 inches) of space from other corals — Duncans are peaceful but can be stung by aggressive neighbours.
Tank Mates

Reef safe and peaceful. Compatible with:

  • All peaceful reef-safe fish (clownfish, gobies, tangs, blennies, etc.)
  • Invertebrates such as shrimp, snails, and hermit crabs
  • Other LPS, soft, and non-aggressive corals

Avoid:

  • Aggressive or stinging corals (e.g., Galaxea, Hydnophora)
  • Large angelfish, butterflyfish, or puffers that may nip at fleshy tissue
Aggression

Peaceful.Duncanopsammia does not extend long sweeper tentacles and coexists well with other peaceful species. However, it can be damaged by more aggressive corals if placed too close.

Experience Level

Beginner.Duncans are among the easiest LPS corals to care for, making them ideal for new reef keepers. They tolerate a wide range of lighting and flow conditions, respond well to feeding, and grow steadily under stable parameters.

Water Parameters
  • Temperature: 24–27°C (75–81°F)
  • pH: 8.1–8.4
  • Salinity: 1.024–1.026 SG
  • Hardness (dKH): 8–12
  • Calcium: 400–450 ppm
  • Magnesium: 1250–1350 ppm
  • Nitrate: <10 ppm
  • Tank Size: Minimum 75 gallons (280L) recommended for stability and colony growth

Stable calcium and alkalinity levels are essential for skeletal development and polyp health.

Reef Compatibility

Fully reef safe. The Duncan Coral is a beautiful, low-maintenance coral that adds soft movement and natural colour contrast to mixed or LPS reef aquariums. Its tolerance, peaceful nature, and strong feeding response make it one of the best beginner-friendly LPS corals available.

Shipping Notes
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Exchange/Return Notes
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SKU: 16193705840

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Omar Antonio Negrin
San Leandro, US
★★★★★ 5
Rock-Solid Mounts with Flawless Adjustability
Size: Standard--black, Size: Standard--black
Absolutely fantastic mounts! I couldn't be happier with this purchase. They are currently holding my 12lb surround sound speakers on the wall, and I have complete confidence in their sturdiness. They feel incredibly solid and well-made. Installation was a breeze, and the range of motion is a real game-changer. Being able to swivel and tilt the speakers has allowed me to perfectly angle them towards my listening position, which has made a huge difference in my surround sound experience. On top of the great functionality, they have a very sleek and clean look. The built-in cable management is a brilliant touch that helps keep everything looking tidy and professional. If you're looking for a reliable, adjustable, and great-looking set of speaker mounts, look no further. These are top-notch, and I highly recommend them!
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Reviewed in the United States on July 30, 2025
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Christina
Los Angeles, US
★★★★★ 5
Great product!
Size: Standard--white, Size: Standard--white
Very sturdy and great value for money! Speakers fit perfectly. You can adjust the width and tighten around the sides of the speaker so they’re not loose on the platform. Offers proper stability for the speakers, they will not fall out of the wall if they’re installed correctly and not overloaded with weight. I have the Edifier R1280T speakers mounted and they’re roughly 10-12 pounds each. **My only complaint which was not a big deal to me** As other people have mentioned, the white plate that hides the screws on the wall is not attached to anything. It was just hanging there loose with a gap between it and the wall, but I got these clear double-sided tape circles to adhere them to the wall and it worked !!! Very quick and easy solution. Maybe the seller could include a few clear stickies in the package moving forward?
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Reviewed in the United States on August 19, 2024
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Amazon Customer
Lake Worth, US
★★★★★ 5
Ideal speaker wall mounts
Size: Standard--black
These speaker mounts were better than expected for the price. The mounts hold the speakers securely also tilt and swivel to get the sound where needed. Well thought out design, easy to mount, looks great also. Mounting hardware was included. I would purchase again.
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Reviewed in the United States on December 26, 2025
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Bret BigDawg
Los Angeles, US
★★★★★ 5
Well made, sturdy, and work great!
Work great for our KEF bookshelf speakers, would definitely buy again!
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Reviewed in the United States on April 28, 2026
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Colby D. May
Whiting, US
★★★★★ 4
Almost perfect, absolutely fit for purpose, and a great value
Size: Standard--black
These are really, really close to being five stars, but because of my OCD tendencies when it comes to things being true and level, I can only go four. The way these mounts are made, speakers rest inside and on the inner surface of the L-shaped adjustable side brackets, and not on the large metal plate between them. Leveling on the fore-and-aft plane can easily be handled via the adjustment nut on the bottom of the bracket. But there is no provision for side-to-side leveling, so if the manufacturing of the side brackets is not within tolerance, you'll wind up with a speaker that's ever-so-slightly wonky...which is the case with ONE of my mounts. The bubble is still between the lines, but it's kissing the left line. Most would not care about this, and I'm not too bummed about it, but I am able to see that much out-of-true with the naked eye. It's not enough to pursue any kind of remediation, because the value on these really is awfully good. They are solidly built, easy to install, and easy to adjust. The manufacturer is apparently improving the product as they go based on feedback, as some issues that have vexed other owners have not been a problem for me, such as the wall plates being or coming loose (the design now ensures they stay put once pushed back to the wall), or the adjustment nut and bolt rotating freely and not staying tight (the ones on mine are great and function as intended). For the price, these are really hard to beat, and I have a feeling all the mounts like this with the different oddly-named brands are made in the same factory. That being the case, get the cheapest ones, and the day I bought mine, these were those.
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Reviewed in the United States on September 15, 2025

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