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Tubastraea micranthus black tube coral, Black Sun Coral

Tubastraea micranthus is commonly referred to as black tube coral, Black Sun Coral. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. A aquarium size of at least 100 Liter is recommended. Toxicity: Toxic hazard unknown.


Profilbild Urheber Karen Honeycutt, USA

Tubastrea micrantha (Black Sun Coral) - Kaimeer, Banda Sea, Indonesia, 2019


Courtesy of the author Karen Honeycutt, USA Karen Honeycutt, USA. Please visit www.flickr.com for more information.

Uploaded by Muelly.

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lexID:
630 
AphiaID:
291255 
Scientific:
Tubastraea micranthus 
German:
Schwarze Kelchkoralle 
English:
Black Tube Coral, Black Sun Coral 
Category:
LPS 
Family tree:
Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Dendrophylliidae (Family) > Tubastraea (Genus) > micranthus (Species) 
Initial determination:
(Ehrenberg, ), 1834 
Occurrence:
(the) Maldives, Banda Sea, Corea, East Africa, Indian Ocean, Indonesia, Kenya, Malaysia, Mauritius, New Caledonia, Papua New Guinea, Raja Amat, Red Sea, South-Africa, the Seychelles, Vietnam 
Marine Zone:
Intertidal (Eulittoral), intertidal zone between the high and low tide lines characterized by the alternation of low and high tide down to 15 meters 
Sea depth:
10 - 15 Meter 
Habitats:
Coral reefs 
Size:
up to 1.97" (5 cm) 
Temperature:
75.2 °F - 80.6 °F (24°C - 27°C) 
Food:
azooxanthellat, nonphotosynthetic, Brine Shrimps, Cyclops, Dustfood , Lobster eggs, Mysis, Plankton 
Tank:
22 gal (~ 100L)  
Difficulty:
There are no reports available yet that this animal has already been kept in captivity successfully 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Appendix II ((commercial trade possible after a safety assessment by the exporting country)) 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life
:
 
More related species
in this lexicon
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2025-08-23 10:53:52 

Info

Tubastraea micranthus, Ehrenberg, 1834

Tubastraea, also known as sun coral or sun polyps, is a genus of coral in the phylum Cnidaria. It is a cup coral in the family Dendrophylliidae.

An exact classification of the individual animals is only possible on the basis of the location of the mesenteries (fold of the coelom wall (mesoderm), in which the intestine is suspended in most animals (Coelomata)), but for this the coral skeleton must be examined. Alternatively, a DNA examination would have to be carried out.

Visually, the color of the coral polyp is different and in Tubastrea micrantha there is branching. The Tubastrea coral is a non-reef-forming coral.

Aquarium conditions
The coral should not be placed in direct light, and a laminar (no visible turbulence (eddies / cross currents) strong current is an advantage. Important: No direct current, otherwise this will lead to tissue damage.

Recommendation - the coral should be kept in a species tank.

Feeding
Tubastrea corals do not have zooxanthellae and do not live on light They do not harbor symbiotic algae that produce nutrients and energy via photosynthesis.

The pumps should be switched off before feeding. In order for the coral to survive in the aquarium, each individual polyp must be fed sufficiently, i.e. daily or 3 - 4 times a week. Without feeding, the coral will not survive in the aquarium. The polyps need a certain amount of time to absorb the food (granules or frozen food); if shrimps and fish are present, they will try to remove the food, so be sure to feed these inhabitants first.

Freshly inserted coral sticks can be stimulated with a liquid food, e.g. PolypLab Polyp, so that the individual polyps open. Only then can feeding be carried out.

The better the individual polyps absorb the food provided, the better the growth and reproduction rates.

The polyps take a while to become accustomed to feeding in daylight. With a long food pipette, each polyp can be fed specifically or liquid food with the pipette initially stimulates the polyps to open.
A good aid for "quiet" feeding is a feeding bell that can be placed over the coral so that fish & co. are not disturbed.

Reproduction
With good care, the number of polyps can double within 6 months.
Fragmentation is not so easy and tissue damage can lead to losses. During sexual reproduction, each individual polyp releases planula larvae, which then settle in the aquarium, where they can also cover larger areas. From there, they can then be glued to a frag.

Tubastraea micranthus forms tree-like, branched coral stalks up to over one meter high. These are always perpendicular to the current. The color is brown to black-brown, whereby the crepuscular and nocturnal polyps are lighter in color. They are often fluorescent brown-green.

The Tubastrea coral is not regularly available in the trade.is little reported about T. diaphana, and generally keeping this animal is only possible at optimal food availability and not too low current, is it too much current the coral dies.

All family members of Dendrophyllidae need a good flow and adequate feeding, (Due to the lack of zooxanthellae), which should carried out daily. These beautiful corals live NOT of zooxanthellae (light). The polyps are used to fish for larger plankton. (Artemia, etc)

These kind of coral must be fed daily, who buys this coral must be considered this fact. Only who believes in it, is successful in keeping.

Synonymised names
Coenopsammia aequiserialis Milne Edwards & Haime, 1848 (synonymy)
Coenopsammia micranthus (Ehrenberg, 1834) (changed combination)
Coenopsammia nigrescens (Dana, 1846) (synonymy)
Coenopsammia viridis Milne Edwards & Haime, 1848 (synonymy)
Dendrophyllia aequiserialis (Milne Edwards & Haime, 1848) (synonymy)
Dendrophyllia micrantha (Ehrenberg, 1834) (changed combination)
Dendrophyllia micrantha var. grandis Crossland, 1952
Dendrophyllia micranthus (Ehrenberg, 1834) (changed combination)
Dendrophyllia micranthus var. grandis Crossland, 1952 (synonymy)
Dendrophyllia nigrescens Dana, 1846 (synonymy)
Dendrophyllia viridis Vallencienes ms in Milne Edwards & Haime, 1848 (synonymy)
Enallopsammia micranthus (Ehrenberg, 1834) (changed combination)
Oculina micranthus Ehrenberg, 1834 (basionym, changed combination)
Tubastraea micrantha (Ehrenberg, 1834) (wrong spelling)
Tubastrea micrantha (Ehrenberg, 1834) (wrong spelling genus name)

Pictures

Commonly


Husbandry know-how of owners

am 23.01.08#2
Ich pflege diese Koralle nun schon über 1 1/2 Jahre und sie ist sichtlich auch schon wenigstens ein drittel gewachsen. Ich muß meinem Vorredner Recht geben, daß sie grünlich schimmert, wenn sie geöffnet ist. Dank intensiver Pflege und regelmäßiger Fütterung mit Artemien u.ä. ist sie gut zu halten, sollte aber in regelmäßigen Abständen erfolgen.
am 08.08.07#1
Ich muß sagen das ich nur ungern über Korallen schreibe die ich noch nicht selber gepflegt habe . Kann aber auch , wegen der vermutlichen Verwandschaft zu Tubastrea diaphana , trotzdem evtl. etwas interessantes mitteilen : " Diese beiden Kelchkorallen sollen sich nicht ausschließlich von Plankton ernähren sondern in geringen Maße ( Ca. 6 % ) durch Abfallprodukte der in Ihren Gewebe befindlichen Bohralgenart ( Ja Bohralgenart , so dumm hab ich damals auch geguckt ) . Darum ist es auch bei der Pflege nicht notwendig Sie wie andere Kelchkorallen mehr abgedunkelt oder im Halbschatten zu plazieren . " Etwas deutet darauf hin das an der oben beschriebenen Eigenart wirklich was wahres dran ist : " Sie schimmern nämlich bei Blaulicht oder anderen mehr blau orientierten Licht leicht grünlich ( Beachte das mittlere Bild ) irisierend , was auf die Anwesenheit von Symbiosealgen hinweist . Ich jedenfalls habe die große Kollonie von Tubastrea diaphana von Anfang an im direkten Licht stehen , weil mir das mit den Bohralgen schon länger bekannt ist . " Ansonsten ist Sie wie auch andere Kelchkorallen , bei guter Ernährung ( Siehe Tubastrea diaphana ) , einfach zu halten .
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