Aussie UFO Diaseris

Cycloseris fragilis

Saltwater Coral Species Group: Cycloseris 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 Aussie UFO Diaseris

General information

In general, corals from the genus Cycloseris have polyps that are irregularly outlined and mostly composed of brittle wedges that can easily break off. Their mouth is usually colored yellow or beige with some green undertone both at the center and at the outer edges of their skeletal structure. For taxonomic purposes, Cycloseris is the new genus that is derived from its old counterpart – Diaseris, which is no longer valid at present times.

For the Aussie UFO Diaseris, they are predominatly colored green. This are the water parameters for cultivating Aussie UFO Diaseris:

  • Calcium: 400 – 450 ppm
  • Alkalinity: 3.2 – 4.5 MEQ/L
  • Phosphates: 0
  • Magnesium: 1350 – 1500
  • Strontium: 10
  • Temperature: 72° – 78° F (22° – 26° C)
  • Salinity / Specific Gravity: 1.024 – 1.025

     

 

Diet & nutrition

The Aussie UFO Diaseris gets its primary nutrition from the symbiotic zooxanthellae living within its tissues. However, we still do recommend you do supplemental feeding by adding mysis and brine shrimp.

Determining sex

A mature tank is highly recommended in propagating Aussie UFO Diaseris. They should be placed at the middle or bottom portion of the tank.

Breeding & spawning

Aussie UFO Diaseris requires moderate lighting and moderate waterflow.

Origination

The Aussie UFO Diaseris can be found in the waters of the Western and Central regions of the Pacific Ocean. In the wild, they can be spefically found in the lower parts of the reef slopes or in flat sandy substrate.

Cautions

You have to take extra caution when handling Aussie UFO Diaseris as their wedges are highly brittle and may easily break off.

Acclimation process

Aussie UFO Diaseris are purely marine, therefore, salinity must be maintained thoroughly at 1.023 to 1.025 specific gravity.

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