Dascyllus melanurus

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Common Name
Blacktail Dascyllus
Binomial Name
Dascyllus melanurus
Dascyllus melanurus 1 .JPG
Scientific Classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Pomacentridae
Genus: Dascyllus
Species: melanurus

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Common Names

  • Blacktail Dascyllus
  • Blacktail Humbug
  • Four-Stripe Damsel



Three wide horizontal black bars space equally on a white body background, caudal fin mostly black.

Similar Species

D. aruanus - Humbug Damsel, no black on caudal fin.

Maximum Size

8 cm [1]

Associated Organisms

Anything that lives in symbiosis, parasitic or opportunistically with it.


Notes about what they do, how they interact with others, different species etc.

Captive Care

Tank Size

The size of tank suitable for it, including reasoning behind this judgment.

Water Flow

Type and amount of water flow suitable for it.


How much lighting is required for it.


What it requires in terms of feeding, type of foods and frequency.

Growth Rate

How quickly it will grow under various conditions.


Things that adversely effect it, such as bacterial infections, parasites etc.


Addition things / items that are important for care in captivity.




Does it have any fish that it should not be housed with?


Does it have coral that it is not compatible with?


Is it compatible with other invertebrates such as molluscs, crustaceans and echinoderms?


How it reproduces, how suitable it is to breeding or captive propagation, techniques on how to etc.

Local Ecology


Indo-Pacific, Philippines, Melanesia and Caroline Islands east to Ponape. [2]


Commonly occurs in groups in close proximaty to small stoney branching corals located in sheltered areas of lagoons, harbours and inlets[2]

Additional Information

Some additional notes on it that don't fit in the above sections.



  1. (Michael 2008): Michael, S., Damselfishes and Anemonefishes: Reef Fishes Series, Book 4, TFH-Microcosm: Neptune City, 2008.
  2. 2.0 2.1 (Allen 1975): Allen, G., Damselfishes of the South Seas, Neptune City: Reigate, 1975.