Dawkinsia arulius
Three ribbon bar ( Dawkinsia arulius )
The tri-band bar ( Dawkinsia arulius ( Syn: Puntius arulius, after the common name " Aruli " ), also known as splendor splendor Barbe, is a freshwater fish of the carp family (Cyprinidae ) Its distribution area is located in the basins of the Cauvery, the Sharavathi and the. Tunga in southeastern India. the seemingly wide spread distribution decays in about six to eight fragmented local occurrence and actually only covers about 300 km ² in the upper reaches of the rivers.
The former of the three-band bar imputed populations in Thenmalai and Kulathupuzha are now considered a separate species ( Dawkinsia exclamatio ).
Features
Three band barbels are more than twelve inches long and are of typical barbel shape. Your body is laterally only slightly flattened, the back brownish, the sides of the body silvery to yellowish tinged with red and two black oval patches below the dorsal fin and above the anal fin. Another black spot is on the tail fin shaft. The scales above the lateral line complete show a greenish tinge. Throat and belly are yellowish. The dorsal fin is yellowish to reddish and has bright red colored peaks that anal fin has a red border, the pelvic fins are whitish. The mating season the males show a whitish spawning rash at the tip of the snout. They are dyed in total magnificent and bigger.
- Dandruff formula: MLR 21-23.
From the closely related black spot barbel ( Dawkinsia filamentosus ), D. Sinhala and D. assimilis, the tri-band bar distinguished by their conspicuous black spots before the approach of the anal fin, D. exclamatio by the absence of an elongated teardrop-shaped black spot above the anal fin. The main difference to D. srilankensis lies in the closed lower lip of the three-band Barbe, by D. srilankensis know at the mandibular symphysis a gap. By D. tambraparniei the three-band bar differs by the absence of filament- extended branched dorsal fin rays in mature males and the shorter barbels.
Lifestyle and risk
The tri-band bar occurs in flocks large streams, rivers and lakes. undisturbed shady rainforest rivers and streams with acidic pH before.
The IUCN classifies the species as endangered ( endangered ). The construction of dams and the catch to aquarium purposes are considered the main reason for the vulnerability of the Art