Orange Tongue Coral

Herpolitha limax

Saltwater Coral Species Group: Herpolitha Family: Fungiidae

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Water parameters

Temp 76-80 F Temperature

Maintaining a stable and appropriate temperature is critical for the survival of aquatic life.

pH 7.8 - 8.4 potential of Hydrogen

Measuring the acidity or alkalinity of water on a 0–14 scale, where 7 is neutral, 7 is alkaline.

NO3 1-20 ppm Nitrate

While less toxic than ammonia, high nitrate levels (above 40–80 ppm) are important to monitor because they can cause fish stress, stunted growth, and harmful algae blooms.

NO2 <0.0001 ppm Nitrite

It is a highly toxic, intermediate compound in the nitrogen cycle produced from broken-down ammonia

PO4 0.01 - 0.1 ppm Phosphate

It is essential for plant development but must be managed, as excess levels trigger nuisance algae blooms and inhibit coral calcification.

NH3 <0.1 ppm Ammonia

It is the primary killer of aquarium fish, causing gill damage, stress, and death

Ca 380 - 450 ppm Calcium

Supporting the growth, skeletal structure, and shell formation of corals, mollusks, crustaceans, and coralline algae

KH 8 - 12 dKH Alkalinity

It acts as a shield, neutralizing acids to prevent dangerous pH "crashes" that can harm fish, corals, and plants.

Mg 1200 - 1400 ppm Magnesium

It enables coral growth by supporting skeletal formation, assists in metabolic processes, and ensures that calcium is available for corals, clams, and coralline algae.

SG 1.023 - 1.026 SG Salinity

Essential for maintaining stable, natural water parameters, proper osmoregulation, and stress-free environments for marine fish and corals

ORP 250 - 400 mV Oxidation-Reduction Potential

A higher positive mV indicates clean, oxygen-rich water with high water quality, while low readings indicate high pollution.

About Orange Tongue Coral

General information

In general, corals coming from genus Herpolitha has an elongated skeletal structure with a single axis located at the center and a round-shaped edge. They are classfied as a monotypic type of mushroom coral where it only has one member – Herpolitha limax. Similar to Fungia corals, Herpolitha are solitary animals, which means that they only have a single coral polyp, instead of your typical coral colony.

As for the Orange Tongue Coral, they are predominantly a mixture of the colors pink, violet and blue green. This are the water parameters for cultivating Orange Tongue Coral: 

  • Calcium: 400 – 450 ppm
  • Alkalinity: 2.86 – 4.29 MEQ/L (8 – 12 dKH)
  • Phosphates: 0
  • Magnesium: 1200 – 1350
  • Strontium: 8 – 10
  • Temperature: 72° – 78° F (22° – 26° C)
  • Salinity / Specific Gravity: 1.023 – 1.025
  • pH: 8.1 – 8.4

 

Diet & nutrition

In the wild, Orange Tongue Coral has developed a symbiotic feeding relationship with marine algae called zooxanthellae that is living within their tissues. But in captivity, you have to feed them with nanoplankton and you may add dissolved organics in the water.

Determining sex

A mature tank is highly recommended in propagating Orange Tongue Coral. They must be set at the botoom of the tank to simulate their natural wild environment.

Breeding & spawning

The Orange Tongue Coral requires moderate lighting and moderate waterflow.

Origination

The Orange Tongue Coral can be found in the waters of the Indo-Pacific Ocean.

Cautions

The Orange Tongue Coral has a semi-aggressive behaviour. Proper spacing must be observed in relation to other coral species in the tank.

Acclimation process

The Orange Tongue Coral is a marine species. Therefore, salinity must be maintained thoroughly at 1.023 to 1.025 specific gravity.

All photos

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