Endangered
Red dwarf rasbora
Microrasbora rubescens
Red dwarf rasbora is a minnow in the family Cyprinidae (order Cypriniformes) — Microrasbora rubescens, recorded as Endangered.
Appearance
Its meristics are that there are 2 spines and 6-7 soft rays in the dorsal fin and 3 spines and 10-12 soft rays in the anal fin. The females are less intensely coloured than the males and are larger and have a much deeper body,the males have the bright flame red coloured and a distinct metallic blue line above their flame red coloured, while the females have not obviously one,the males will display their best colours and some interesting behaviour as they compete with one other for females attention.
The males dwarf red rasbora reaches up to 3.0 cm (1.2 in) in length,the females dwarf red rasbora reaches up to 4.0 cm (1.6 in) in length.
Range and habitat
The dwarf red rasbora is endemic to Lake Inle that is situated in a valley where the rocks form a karst and that lies 900m above sea level in the Shan Plateau region of Shan State. Within the lake this species can be found in the midwater and in the marginal waters of Lake Inle where it is associated with submerged vegetation and forms large schools.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
In crisis
The red dwarf rasbora is exploited for the aquarium trade and it is thought this may have some impact on the population. It is also threatened by the introduction of exotic fish species to the lake, particularly Parambassis and Tilapia species, that act as both predators on and competitors with the red dwarf rasbora. In addition the lake has been polluted from a number of sources, especially from the growing human population in settlements around the lake, while sedimentation and agricultural runoff enters the lake from its drainage basin.
Red dwarf rasbora is Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Red dwarf rasbora, Wikidata item Q1931547. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.
