Purple with Green Eyes Rotundoflora

Acanthastrea rotundoflora

Saltwater Coral Species Group: Acanthastrea Family: Mussidae

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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 Purple with Green Eyes Rotundoflora

General information

The Purple with Green Eyes Rotundoflora usually comes in the encrusting, submassive and massive forms of coral. They usually have small colonies that have a conspicuous corallite that is plocoid in shape and is covered with a fleshy tissue. Their teeth are long and pointed, and generally, they are colored dark brown, rust green or green.

This is the ideal range of water parameters for raising Purple with Green Eyes Rotundoflora in captivity:

  • Calcium: 400 – 450 ppm
  • Alkalinity: 3.2 – 4.8 MEQ/L
  • Phosphates: 0
  • Magnesium: 1200 – 1350
  • Strontium: 8 – 10
  • Temperature: 76° – 83° F (24° – 28° C)
  • Salinity / Specific Gravity: 1.023 – 1.025

 

Diet & nutrition

In the wild, Purple with Green Eyes Rotundoflora has developed a symbiotic feeding relationship with marine algae called zooxanthellae. But in captivity, you have to feed them with nanoplankton or dissolved organics.

Determining sex

A mature tank is highly recommended in propagating Purple with Green Eyes Rotundoflora. Thriving them with fish is recommended as fish excretes nitrogen that can sustain the coral's growth.

Breeding & spawning

Purple with Green Eyes Rotundoflora does not need a high flow rate and intense light. Giving them moderate lighting allows the Purple with Green Eyes Rotundoflora to spread their polyps thereby allowing them to feed. Too much light will cause the polyps to be retracted.

Origination

Purple with Green Eyes Rotundoflora is found in the Indo-Pacific waters from the Red to Australia.

Cautions

Except for their kind, Purple with Green Eyes Rotundoflora is aggressive towards other species. During the night, they extend their tentacles and sting nearby corals. It is recommended to observe proper spacing between corals. Further, they have the tendency to be overpowered with soft corals and will die especially if soft corals outnumber them.

Acclimation process

Purple with Green Eyes Rotundoflora is purely marine. So, therefore, salinity must be maintained thoroughly at 1.023 to 1.025 specific gravity.

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