Cara Mengenal Pasti Hengeli Rasbora

Untuk mengenal pasti Hengeli Rasbora (Trigonostigma hengeli), perhatikan ciri-ciri utama berikut.

Ciri-ciri Fizikal

Bentuk badan

elongated

Warna

The body is generally translucent, with a coppery-orange to pinkish-orange hue, particularly along the dorsal surface and fins. A prominent black, wedge-shaped marking (often referred to as a 'harlequin patch') is present on the posterior half of the body, extending from just behind the pectoral fin base to the caudal peduncle. This black mark is typically bordered dorsally and ventrally by a bright, iridescent orange or gold stripe, which gives the fish its 'glowlight' appearance. The fins are largely hyaline (clear) with a slight orange tint.

Jenis sisik

cycloid

Kedudukan mulut

terminal

Ciri tersendiri

Small size, typically reaching 2.5-3.0 cm (1.0-1.2 inches) standard length., Slender, somewhat compressed body., Distinctive black wedge-shaped marking on the flank, often outlined in iridescent orange/gold., Coppery-orange body coloration.

Sirip dorsal

Single, relatively small dorsal fin, typically with 2 unbranched and 7 branched rays. Originates slightly posterior to the pelvic fin origin.

Sirip ekor

Forked caudal fin, with symmetrical lobes.

Sirip pektoral

Small, clear pectoral fins, typically with 1 unbranched and 10-11 branched rays.

Sirip tersendiri

Pelvic fins are small, located abdominally, with 1 unbranched and 7 branched rays. Anal fin is relatively short, with 2 unbranched and 5 branched rays.

Petua Pengenalan

1. 1

   Size and Body Shape

   Look for a small, slender fish, typically not exceeding 3 cm (1.2 inches) in length.

2. 2

   Coloration

   Observe the overall coppery-orange body color, especially the iridescent orange/gold stripe bordering the black wedge.

3. 3

   Black Wedge Mark

   The most defining feature is the distinct black, wedge-shaped marking on the posterior half of the body. In T. hengeli, this wedge is typically more elongated and less triangular than in T. heteromorpha, and often has a more pronounced iridescent border.

4. 4

   Eye Color

   Often, the upper part of the iris has a reddish or orange tint.

Terokai Hengeli Rasbora