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Chelmon marginalis Margined Coral Fish, Western Beaked Butterflyfish, Willemawillum

Chelmon marginalis is commonly referred to as Margined Coral Fish, Western Beaked Butterflyfish, Willemawillum. Difficulty in the aquarium: moyen. A aquarium size of at least 1000 Liter is recommended. Toxicity: Toxic hazard unknown.


Profilbild Urheber Graham Edgar, Reef Life Survey, Australien

Foto: Enderby Island, Dampier Marine Park, Westaustralien


Courtesy of the author Graham Edgar, Reef Life Survey, Australien Copyright Graham Edgar. Please visit reeflifesurvey.com for more information.

Uploaded by AndiV.

Image detail


Profile

lexID:
92 
AphiaID:
278682 
Scientific:
Chelmon marginalis 
German:
Pinzettfisch 
English:
Margined Coral Fish, Western Beaked Butterflyfish, Willemawillum 
Category:
Poissons-Papillons 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Chaetodontidae (Family) > Chelmon (Genus) > marginalis (Species) 
Initial determination:
Richardson, 1842 
Occurrence:
Australia, Great Barrier Reef, Houtman Abrolhos (Abrolhos Islands), Northern Territory (Australia), Papua New Guinea, Queensland (Australia), Vietnam 
Sea depth:
1 - 30 Meter 
Size:
5.91" - 8.27" (15cm - 21cm) 
Temperature:
75.2 °F - 82.4 °F (24°C - 28°C) 
Food:
Amphipods, Brine Shrimps, Copepods, Daphnia salina, Food specialist, Frozen Food (large sort), Lobster eggs, Mosquito larvae, Mysis 
Tank:
219.98 gal (~ 1000L)  
Difficulty:
moyen 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Least concern (LC)  
Related species at
Catalog of Life
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2018-10-30 10:24:13 

Info

Richardson, 1842

A very beautiful Chelmon imported from Australia. Acclimatisation was easy, the fish didn't seem to be sensitive for diseases. Comes in much better shape than Ch. rostratum and therefore he accepted food way better. Has been reported to be less agressive against other butterfly fishes than Ch. rostratum.

Synonyms:
Chelmo tricinctus Castelnau, 1875
Chelmon rostratus marginalis Richardson, 1842

Classification: Biota > Animalia (Kingdom) > Chordata (Phylum) > Vertebrata (Subphylum) > Gnathostomata (Superclass) > Pisces (Superclass) > Actinopterygii (Class) > Perciformes (Order) > Chaetodontidae (Family) > Chelmon (Genus)

External links

  1. FishBase (multi). Abgerufen am 07.08.2020.
  2. Fishes of Australia (en). Abgerufen am 07.08.2020.
  3. Hippocampus Bildarchiv (de) (Archive.org). Abgerufen am 07.08.2020.
  4. IUCN Red List of Threatened Species (multi). Abgerufen am 07.08.2020.

Pictures

Pair

Foto: Enderby Island, Dampier Marine Park, Westaustralien
1
1
1

Commonly

 (c) by Joachim Großkopf
1
Chelmon marginalis - Pinzettfisch
1
Chelmon marginalis - Pinzettfisch
1
Chelmon marginalis - Pinzettfisch
1
Chelmon marginalis - Pinzettfisch
1
1

Husbandry know-how of owners

am 04.03.09#2

Chelmon marginalis also commonly referred as the Margined coralfish, Chelmon rostratus marginalis or Australian Copperband Butterfly is endemic in the tropical waters of Australia (Great Barrier Reef). The Margined coralfish is a rare relative of the Copperband Butterfly the Marginalis lacks the center stripe, it has a slightly taller shape and a limited distribution in nature. In fact, juveniles of the two species are almost indistinguishable. As Chelmon marginalis matures, it loses the black eye-spot at the base of the dorsal fin, which differentiates it from adult Chelmon rostratus.

Chelmon marginalis is a little more hardy then the regular Copperband but still can be a tough fish to keep. Is reef safe but may pick at corals and clams so you need to be careful. Most individuals can be kept in a reef tank with most soft corals and small-polyped stony corals - although some individuals may nip at large-polyped stony corals, certain soft corals and zoanthids. One advantage in keeping a copperband butterflyfish in a reef tank is that most will eat glass anemones (Aiptasia spp.); however, some individuals will ignore them. One possible drawback to housing this fish in a reef tank is that it will decimate polychaete worm populations.


Remarks:

Butterflyfish are not recommended for reefs as they will pick at or eat a wide variety of corals, fan worms, and other invertebrates. Most Butterflyfish are known to pick at Aiptaisia, a parasitic anemone.


Classification

Class: Actinopterygii
Order: Perciformes
Family: Chaetodontidae
Genus: Chelmon
Species: Chelmon marginalis

am 18.08.07#1
Ich pflege seit kurzem ein etwa halbwüchsiges (10cm) Paar dieser Tiere, zusammengestellt von Joachim Großkopf.
Die Fische als Paar sind wirklich ein Traum! Zeigen intensives Paarvschwimmen/Sozialverhalten - viel mehr als ich es z.B. von Doktoren kenne. Sie erinnern eher an Zwergkaiser oder Lippfische.

Eines der Tiere hat eine dunklere Zeichnung im Gesicht mit hellen Augenringen, möglicherweise ein Zeichen von Dominanz.

Als Jungtiere sehen sie exakt aus wie Ch. rostratum. In letzter Zeit habe ich häufiger von erfolgreicher Verpaarung eines Ch. marginalis und eines Ch. rostratum gehört. Die Tatsache mit der Jugendfärbung der Ch. marginalis mag hier eine Rolle spielen. Vielleicht vertragen sich die unterschiedlichen Arten auch generell - wie Ch. muelleri und Ch. rostratum ja auch.

Aufgrund des intensiven Paarverhaltens würde ich ab jetzt immer empfehlen von einem Spezialisten wie Joachim Großkopf ein Paar zu kaufen, auch bei Ch. rostratum.
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