Boraras brigittae – Mosquito Rasbora (Rasbora urophthalma ... | 水產百科網

Inhabitsblackwaterstreamsandpoolsassociatedwithancientforestpeatswamps.Thewaterisstainedbrownduetothereleaseoftanninsandotherchemicals ...

Rasbora urophthalma brigittae Vogt, 1978

Boraras: anagram of the generic name Rasbora, in reference to the reversed ratio of abdominal and caudal vertebrae in this genus.

brigittae: named for the author’s wife.

Order: Cypriniformes Family: Cyprinidae[1][2]

Appears to be endemic[3] to southwestern Borneo though occurence records are scant. The type locality[4] is ‘Bandjarmasin’, a port town in the Indonesian province of Kalimantan Selatan (South Kalimantan), and following Kottelat (1991) it’s range extends westwards as far as the Jelai Bila river basin, near the town of Sukamara, where it’s said to occur sympatrically with the congener B. merah (but see ‘Notes’).

Inhabits black water streams and pools associated with ancient forest peat[5] swamps. The water is stained brown due to the release of tannins and other chemicals released by decomposing organic[6] matter and the substrate[7] scattered with fa...