Pearl danio

Pearl danio
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cypriniformes
Family:	Cyprinidae
Subfamily:	Danioninae
Genus:	Danio
Species:	D. albolineatus
Binomial name
	Danio albolineatus; (Blyth, 1860)
Synonyms
	Brachydanio albolineatus Blyth, 1860; Danio albolineata Blyth, 1860; Danio stoliczae Day, 1870; Nuria albolineata Blyth, 1860; Danio pulcher H. M. Smith, 1931; Brachydanio pulcher H. M. Smith, 1931; Brachydanio tweediei Brittan, 1956; Danio tweediei Brittan, 1956

The pearl danio (Danio albolineatus) is a tropical fish belonging to the minnow family Cyprinidae.^[2] Originating in Sumatra, Myanmar, and Thailand and Vietnam ( Phu Quoc Island ),this fish is sometimes found in aquariums by fish-keeping hobbyists. It grows to a maximum length of 2.6 inches (6.5 cm) and lives for around five years. The fish could have a brownish-yellow, pink, or a silver body and two light yellow/white or blue/red stripes. It has an iridescent look. The female fish has two pairs of barbels.^[3]

In the wild, the pearl danio is found in along the surface of small, clear rivers and hill streams. They live in a tropical climate with water with a 6.0 – 8.0 pH, a water hardness of up to 5 – 19 dGH, and a temperature range of 68–77 °F (20–25 °C). Their diet consists mostly of exogenous insects and zooplankton. The pearl danio is an egglayer. Golden varieties are often seen in shops; these are in reality semi-albino fish.^[4] The blue-redstripe danio (D. a. var. pulcher) and the Kedah danio (D. a. var. tweediei) were considered distinct, but most taxonomic authorities consider them to be varieties of the pearl danio.

References

^ Vidthayanon, C. (2012). "Danio albolineatus". The IUCN Red List of Threatened Species. 2012. IUCN: e.T180844A1669179. doi:10.2305/IUCN.UK.2012-1.RLTS.T180844A1669179.en. Retrieved 15 January 2018.
^ Kullander, S.O. (2015). "Taxonomy of chain Danio, an Indo-Myanmar species assemblage, with descriptions of four new species (Teleostei: Cyprinidae)" (PDF). Ichthyological Exploration of Freshwaters. 25 (4): 357–380.
^ Froese, Rainer; Pauly, Daniel (eds.). "Danio albolineatus". FishBase. April 2015 version.
^ Danio abolineatus

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[IUCN-1] Vidthayanon, C. (2012). "Danio albolineatus". The IUCN Red List of Threatened Species. 2012. IUCN: e.T180844A1669179. doi:10.2305/IUCN.UK.2012-1.RLTS.T180844A1669179.en. Retrieved 15 January 2018.

[Kullander2015-2] Kullander, S.O. (2015). "Taxonomy of chain Danio, an Indo-Myanmar species assemblage, with descriptions of four new species (Teleostei: Cyprinidae)" (PDF). Ichthyological Exploration of Freshwaters. 25 (4): 357–380.

[FB-3] Froese, Rainer; Pauly, Daniel (eds.). "Danio albolineatus". FishBase. April 2015 version.

[4] Danio abolineatus

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