Three-lined rasbora

Glasbärbling ( Rasbora trilineata )

The Glasbärbling ( Rasbora trilineata (Gr. / Lat. " Tri" = three, " lineata " = lines)), also called Scherenbärbling because of its deeply forked tail fin, is a small freshwater fish in Southeast Asia in the basin of the Mekong River, the Chao Phraya, is found on the Malay Peninsula, Sumatra and Kalimantan.

Features

The Glasbärbling has an elongated, very slender and laterally strongly flattened body. It reaches a maximal length of 15 cm. The body is translucent, the young animals almost completely transparent. Adult animals have a greenish back and silvery iridescent sides. At the level of the pelvic fins, a dark longitudinal band which is always strong back and extends to the tail begins. Another, far thinner longitudinal ligament extends above the anal fin. The large caudal lobe are white with a broad black transverse band. The other fins are colorless or slightly yellowish. The scales are partially outlined in black. Females are plumper than the males. The mouth is terminal.

• Fins formula: Dorsal 2/7, Anal 3/5, pectoral 1/13-14, 2/7-8 Ventral.
• Dandruff formula: MLR 29-32, 13 scales before the dorsal fin.

Way of life

Glasbärblinge live as a school of fish in rivers and stagnant waters. They are in their habitat often most and keep especially close to the surface. They feed mainly on insects that have fallen onto the water surface, crustaceans and worms. Glasbärblinge are less active than other Rasbora species. They often stay stationary between plant populations and to fold their tail again and again like scissors together ( Scherenbärbling ).

Hunting and

The Glasbärbling was introduced in 1932 for the first time in Germany and has since been standard fare in the pet trade.