Torch Coral (LPS) (Euphyllia glabrescens)

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Torch Coral (LPS)
Euphyllia glabrescens
Torch Coral (LPS) (Euphyllia glabrescens)
Name Torch Coral (LPS)
Name Lat. Euphyllia glabrescens
Family Hammer Corals
Family lat. Euphylliidae
Order Stony Corals
Order lat. Scleractinia
Origin Indo-Pacific
Diet Autotrophic, planktivore
pH 8.1-8.4
Hardness 8-12 °KH
Lighting Medium
Current Moderate
Behavior Aggressive
Keeping Colony
Care Level Moderate
Life Span N/A
Protection CITES Appendix II; EC Annex B
Metric Units
Size 10 cm
Temperature 24-27 °C
Salinity 33-36 ‰
Aquarium 100 l
US Units
Size 3.9"
Temperature 75-81 °F
Salinity 1.020-1.025 sg
Aquarium 25 gal

Distribution and habitat

Euphyllia glabrescens belongs to the group of LPS (Large Polyp Scleractinia). This reef-building coral is widely distributed in the tropical Indian and Western Pacific Oceans. They occur in different colors and growth forms according to their species and origin.

Maintenance

They should be positioned in a place with medium light intensity and moderate, alternating current. Only lime-rich, heavy metal-free substrates should be used as substrate

Filters, skimmers and heaters are necessary to ensure water quality, as well as pumps to simulate tides, swells and bottom currents. It is recommended that live stones be used to set up the aquarium. The bacteria living in the porous stones act as a biological filter. The lighting must correspond to the species-appropriate day-night rhythm of the animals

Salinity: 33-36 ‰ pH value: 8.1-8.4
Carbonate hardness: 8-12 °KH Nitrate content: 2-8 mg/l
calcium content: 420-450 mg/l Nitrite content: 0.0-0.05 mg/l
Magnesium content: 1.250-1.350 mg/l phosphate content: 0.01-0.1 mg/l

Regular addition of trace elements, especially calcium, magnesium and strontium is recommended. For salinity, an average value should be aimed for, which may only vary slightly by +/- 0.5 ‰. Ammonia and ammonium must not be measurable. Special attention shall be paid to consistently good water quality and water values.

Diet

Zooxanthellae, which are unicellular symbiotic algae, live in their tissue and provide them with assimilation products of their photosynthesis (high light requirement). The zooxanthellae promote growth and provide additional food to the plankton and small particles that are collected in large quantities from the water current. Thus, in addition to the food produced in the aquarium during fish feeding (mysis, krill, Artemia, etc.), commercially available supplementary food in the form of phyto- and zooplankton should be offered regularly

Regular and varied feeding promotes health and prevents deficiency symptoms.

Behaviour and compatibility

They should not be kept with fish that consider their polyps food (e.g., angelfish or butterflyfish). Since they are strongly nettled and can expand very much mostly at night, a sufficiently large distance to other corals must be maintained.

Reproduction and breeding

In nature, reproduction occurs sexually via marine larval stages. Reproduction by formation of daughter colonies (budding) is also possible. In the aquarium it can be propagated well by careful division.

Species protection

Species protection: WA Appendix II; EU Appendix B. The proof of purchase is the required proof of origin for the animal. Please keep it safe! Your pet store will be happy to provide you with further information.

Important

The additional illumination with Actinic-Light (short-wave, violet-blue light) is very beneficial for their growth (zooxanthellae). For the necessary uniform supply of calcium carbonate and magnesium, a calcium reactor and a magnesium metering pump are recommended. They are sensitive to touch. Too high temperature, insufficient lighting or flow as well as sudden change of water values can lead to tissue decay (RTN - rapid tissue necrosis). When purchasing, look for pressure marks or other tissue damage. Newly introduced animals must be acclimated slowly to the water in the aquarium

If different species are kept together, make sure that fish and invertebrates match each other in terms of water quality and temperature requirements as well as their social behavior, and that the setup meets the ecological needs of all species kept together

Further literature can be found in your pet store.

References

Text: Werner Winter; Image: Franz Lowak

Source: FOSSÁ & NILSEN (1995): Korallenriff-Aquarium Bd. 4, Birgit Schmettkamp Verlag; ENGELMANN & LANGE (Hrsg.) 2011: Zootierhaltung - Tiere in menschlicher Obhut: Wirbellose, Verlag Harri Deutsch