''Pethia didi'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
cyprinid
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 ...
fish which has only been recorded in the vicinity of
Myitkyina and
Indawgyi Lake
Indawgyi Lake ( ) is one of the largest inland lakes in Southeast Asia. It is located in Mohnyin Township in the Kachin State of Myanmar. The lake measures east to west, and north to south. There are over 20 villages around the lake. The predomi ...
in the north of
Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
.
This is a small fish which can reach a length of
SL.
It is generally brownish with a dark vertical bar just behind the
operculum and a round dark blotch on the
caudal peduncle. The species ''
P. tiantian'' – with a range close to ''P. didi'' – is similarly marked, but ''P. didi'' can be distinguished by its truncated
lateral line
The lateral line, also called the lateral line organ (LLO), is a system of sensory organs found in fish, used to detect movement, vibration, and pressure gradients in the surrounding water. The sensory ability is achieved via modified epithelial ...
, deeper body and longer
dorsal fin
A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through conv ...
, with two rows of dark markings rather than one.
References
Pethia
Fish described in 2005
Barbs (fish)
{{Barbinae-stub