The barred danio (''Devario pathirana'') is a
fish belonging to the minnow family (
Cyprinidae
Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...
). Originating in
Sri Lanka
Sri Lanka (, ; si, ශ්රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...
, this fish grows to a maximum length of 2 inches (6 cm).
In the wild, the barred danio is understood to be critically endangered, but is freely available from captive-bred stock. Typically, the fish prefer water with a 6.0-8.0
pH, a water hardness of 5.0-19.0
dGH
Degrees of general hardness (dGH or °GH) is a unit of water hardness, specifically of general hardness. General hardness is a measure of the concentration of divalent metal ions such as calcium (Ca2+) and magnesium (Mg2+) per volume of water. S ...
, and an ideal temperature range of 69-79 °F (20-26 °C). Its diet consists of
annelid
The annelids (Annelida , from Latin ', "little ring"), also known as the segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches. The species exist in and have adapted to various ecol ...
worms, small
crustaceans, and
insects. The barred danio is oviparous (an egg layer), and is found mostly in the Nilwala River basin.
References
External links
''Devario pathirana''
Devario
Cyprinid fish of Asia
Freshwater fish of Sri Lanka
Fish described in 1990
Taxa named by Maurice Kottelat
Taxa named by Rohan Pethiyagoda
{{Cyprinidae-stub