Cara Mengenal Pasti Espei Rasbora

Untuk mengenal pasti Espei Rasbora (Trigonostigma espei), perhatikan ciri-ciri utama berikut.

Ciri-ciri Fizikal

Bentuk badan

compressed

Warna

The body is predominantly a vibrant copper-orange to reddish-orange, sometimes with a pinkish hue. A distinctive black, wedge-shaped marking (often described as a 'lambchop' or 'hatchet' shape) is present on the posterior half of the body, extending from just behind the dorsal fin base towards the caudal peduncle. The fins are typically hyaline (clear) or faintly tinted with the body color, sometimes with a reddish margin on the caudal fin.

Jenis sisik

cycloid

Kedudukan mulut

superior

Ciri tersendiri

Vibrant copper-orange body coloration, Prominent black, wedge-shaped marking on the flanks, Small adult size, typically 2.5-3.0 cm (1.0-1.2 inches) standard length

Sirip dorsal

Single, relatively short-based, located mid-body.

Sirip ekor

Forked, with rounded lobes.

Sirip pektoral

Small and clear, positioned ventrally.

Sirip tersendiri

All fins are generally clear or subtly colored, lacking prominent markings other than the body's main pattern.

Petua Pengenalan

1. 1

   Body Coloration

   Look for the distinct copper-orange to reddish-orange body color, which is brighter and more intense than in many other Trigonostigma species.

2. 2

   Black Mark Shape

   The black marking is a clear, well-defined wedge or 'lambchop' shape, starting broadly near the dorsal fin and tapering towards the caudal peduncle. It does not extend significantly into the caudal fin base or anteriorly beyond the dorsal fin origin.

3. 3

   Size

   Adults are typically smaller than Trigonostigma heteromorpha, reaching a maximum of about 3 cm (1.2 inches).

4. 4

   Habitat Preference (if observed in wild)

   Often found in highly acidic, tannin-stained blackwater environments.

Terokai Espei Rasbora