SKU: 30800534713

Tongue Hard Coral Polyphyllia Sp

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Description

Tongue Hard Coral Polyphyllia SpTongue Hard Coral (Polyphyllia sp.)(Also known as Tongue Coral, Carpet Coral, or Slipper Coral) OverviewThe Tongue Hard Coral (Polyphyllia sp.) is a unique and visually striking large polyp stony (LPS) coral, named for its elongated, tongue shaped body and fleshy, carpet like surface covered with small, waving polyps. Typically found in shades of tan, brown, green, or grey, many specimens develop fluorescent highlights under actinic lighting, creating

Tongue Hard Coral (Polyphyllia sp.)

(Also known as Tongue Coral, Carpet Coral, or Slipper Coral)

Overview

The Tongue Hard Coral (Polyphyllia sp.) is a unique and visually striking large-polyp stony (LPS) coral, named for its elongated, tongue-shaped body and fleshy, carpet-like surface covered with small, waving polyps. Typically found in shades of tan, brown, green, or grey, many specimens develop fluorescent highlights under actinic lighting, creating a subtle yet captivating display. The coral’s free-living nature and undulating movement across the substrate make it a fascinating addition to reef aquariums. Hardy, adaptable, and peaceful, Polyphyllia is suitable for both novice and experienced aquarists seeking a distinctive bottom-dwelling coral.

Origin

Native to the Indo-Pacific region, including the Great Barrier Reef, Coral Sea, Fiji, Tonga, Indonesia, and the Maldives. Commonly found on sandy reef flats, lagoon floors, and lower reef slopes, where it lies unattached and moves slightly with water flow.

Feeding

The Tongue Coral is photosynthetic, deriving most of its energy from zooxanthellae in its tissue. It also benefits from supplemental feeding to promote growth and coloration. Feed 1–2 times per week with:

  • Mysis or finely chopped seafood
  • Marine plankton or LPS coral foods
  • Coral pellets or powdered blends

Feed when tentacles are extended (usually at night or under reduced flow).

Lighting

Low to moderate lighting. Provide diffused illumination from LED, T5, or hybrid systems.

  • PAR range: 75–150 ¬µmol/m¬≤/s
  • Avoid strong, direct light which can cause bleaching or tissue retraction.
  • Blue-spectrum lighting enhances fluorescence and subtle coloration.
Water Flow

Low to moderate, indirect flow. Gentle, variable currents help keep the coral free of debris without disturbing its position. Too much flow may prevent the tissue from expanding fully or cause damage to its soft underside.

Placement
  • Place on the sandy substrate or a flat, open area of the aquarium floor.
  • Do not wedge or glue to rockwork — Polyphyllia is a free-living coral and can slowly move to find suitable conditions.
  • Allow 10–15 cm (4–6 inches) of space between neighbouring corals to avoid stings or crowding.
  • Avoid sharp rock edges beneath the coral, which can damage its soft tissue.
Tank Mates

Reef safe. Compatible with:

  • Peaceful reef-safe fish (gobies, tangs, wrasses, clownfish, etc.)
  • Shrimp, snails, and hermit crabs
  • Other non-aggressive LPS or soft corals

Avoid:

  • Aggressive corals (e.g., Galaxea, Euphyllia, Hydnophora) in close proximity
  • Butterflyfish, large angelfish, or puffers that may nip the coral’s fleshy surface
Aggression

Peaceful.Polyphyllia has weak defensive tentacles and is easily damaged by aggressive neighbours. It does not actively sting other corals, making it an excellent community LPS.

Experience Level

Beginner to intermediate. The Tongue Coral is hardy and adaptable but requires stable water chemistry and gentle handling. It’s ideal for aquarists looking to add a unique, bottom-dwelling LPS coral to their reef system.

Water Parameters
  • Temperature: 24–27°C (75–81°F)
  • pH: 8.1–8.4
  • Salinity: 1.024–1.026 SG
  • Alkalinity (dKH): 8–12
  • Calcium: 400–450 ppm
  • Magnesium: 1250–1350 ppm
  • Nitrate: <10 ppm
  • Phosphate: <0.03 ppm
  • Tank Size: Minimum 100 litres (25 gallons) for small specimens; larger systems preferred for mature colonies

Consistent calcium, alkalinity, and nutrient stability will ensure long-term health and colouration.

Reef Compatibility

Fully reef safe. The Tongue Hard Coral adds an organic, natural feel to reef aquariums. Its unusual shape and movement make it a standout piece on the sandbed, while its peaceful nature ensures compatibility with a wide variety of tank mates.




Interesting Fact

Unlike most corals, Polyphyllia corals are mobile — capable of slowly moving across the substrate using their soft tissue and subtle water pressure changes to reposition themselves for optimal light and flow.

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SKU: 30800534713

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Don R. Griffin
Los Angeles, US
★★★★★ 5
Work shirt
Size: XX-Large, Color: Clay
Work shirt with 2 pockets, 1 for phone, 1 for phones charger.
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Reviewed in the United States on June 1, 2026
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Enri
Battle Creek, US
★★★★★ 5
Ten years of ownership…Thank you, Timex!
Color: Black, Size: One Size
Solid watch for everyday wear. I have worn this watch for over 10 years. I let a watch shop replace the battery about every 18 months. Other than the original band (which lasted 5 years) I have had zero problems. Still looks great, rugged and manly😇 Overall I recommend this watch for its value, reliability, simple clear design, legible hands in all light conditions. Great watch!!!
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Reviewed in the United States on February 13, 2026
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Guadalupe Reyes
Grantham, US
★★★★★ 5
Solid Watch for Everyday Casual Wear
Color: Black, Size: One Size
I have purchased this item other times and I’m quite satisfied with wearing this watch everyday with casual wear. The size is just right not too small or large.
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Reviewed in the United States on May 23, 2026
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BrianNH
Grantham, US
★★★★★ 4
Nice simple effective inexpensive watch
Color: Black, Size: One Size
I just ordered my second one of these. They are cheap, keep good time, show me the date, and last a long time. My last one lasted over 10 years. The only thing wrong with the last one was that the battery needed replacement (I think it was only the second time it had needed a battery in all the years I had owned it) at the same time the band wore out and broke. Rather than buy a new battery plus a new band, I just got a new one. I am hard on watches, and this one stood up very well. I regularly shower and swim with it on, and no problems. It doesn't have a lot of functions I don't need, like stopwatch, multiple time zones, etc. I have found those things more of a bother than a benefit, because any time you bump the knob against something, the display changes and you're always pressing all the buttons multiple times just to get the simple info needed- like what time is it and what is the date DEC 2020 UPDATE - I am ordering another one of these. The last one, I bought in mid 2019. Early in 2020, the date function quit working. By the end of November, the whole thing quit working. I know it's not the battery, because the light still works. So I am reducing my review by one star, and we'll see how well a new one does. The watch before the current one lasted about 10 years, so getting only a little over a year out of the current one is not good. Perhaps the current one just wasn't as good as the previous ones. It's entirely possible that they keep making the same watch out of lesser and lesser materials and workmanship.
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Reviewed in the United States on November 21, 2016
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Ann
Dallas, US
★★★★★ 5
Timex. Life is ticking.
Color: Black, Size: One Size
A family member is headed off to Navy boot camp and is required to have a watch-a black watch. But...it cannot be anything in the realm of, be like, or indeed be an Apple Watch. The search began for a simple timepiece. Economy was important since after the 8 weeks of boot camp ended, use of the current watch would be resumed. Enter Timex...(the world's largest manufacturer of watches and mechanical time fuses). During the Amazon search there were all manner of economically (actually cheap) watches noted to be available, so many that it was simply overwhelming. Timex...tried and true since 1854 (just a fun fact, but actually attests to the quality of the company) was the chosen one. A simple but reliable timepiece was required, and certain qualifications were needed. First, it had to be an accurate time keeper and have a second hand, and have a date indicator. Secondly, there had to be an element of water resistance (this is Navy boot camp after all, so water is important!). Thirdly, it had to be black. Fourth, no bells or whistles whatsoever. Finally, a face with 24 hour/military time would be a bonus. This Timex Rugged Core Expedition Analog Watch fit the bill. Upon arrival it was packaged in a traditionally square box the size of the watch, no frills but sturdy enough to ward off damage during shipping. Once opened the first thing noticed was the face of the watch. It was black, with white numerals in both standard and 24 hour/military time, had a red second hand, luminescent hour and minute hands, and date indicator. The nylon band was also black, had ridges, and had a fastener like a belt. At the end of the band were two extrusions which seemed to lock the excess band into place once it was fastened. After wearing a number of days, the watch has kept excellent time matching the Apple Watch. Both watches were worn on the same arm at the same during the day and during sleep. They were worn during regular daily activities, during exercise and during strenuous garden work such as hauling, digging holes, dragging 40 lb bags, etc. Time was checked multiple times per day, and the time on each watch was exactly the same every time checked. The Timex was water resistant during a 5 minute shower and while submerged water. This is not a dive watch but, according to the ad, is water resistant to 50 feet for light swimming. The performance of this watch has been more than satisfactory executing in stellar fashion everything it was stated to be able to do. I can recommend this watch for boot camp purposes without reservation. Top 3 Likes: -Reliable keeping accurate time, has military time numerals -Is water resistant as tested -Is black, attractive with luminescent hands, second hand, date, and light up face Top 3 Dislikes: -The band is stiff and somewhat difficult to latch -The two little extrusions do anchor the band, but are difficult to undo to take off the watch -Only two dislikes!
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Reviewed in the United States on September 28, 2024

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