Como identificar Harlequin Rasbora

Para identificar Harlequin Rasbora (Trigonostigma heteromorpha), observe estas características principais.

Características físicas

Formato do corpo

compressed

Coloração

The body is typically a coppery-orange to reddish-pink, often with iridescent highlights. The most striking feature is a large, wedge-shaped black patch (often described as a 'harlequin' or 'lambchop' mark) on the posterior half of the body, extending from below the dorsal fin to the caudal peduncle. The fins are generally translucent, sometimes with a reddish tint.

Tipo de escama

cycloid

Posição da boca

terminal

Características distintivas

Prominent black, triangular/wedge-shaped patch on the posterior flank., Coppery-orange to reddish-pink body coloration., Relatively deep body for a small cyprinid.

Nadadeira dorsal

Single, relatively short-based dorsal fin, positioned mid-body.

Nadadeira caudal

Forked caudal fin.

Nadadeira peitoral

Paired pectoral fins, typically clear.

Nadadeiras características

All fins are generally clear to slightly reddish, lacking prominent markings other than the body patch.

Dicas de identificação

1. 1

   Black Mark

   The most definitive feature is the large, black, triangular or wedge-shaped mark on the side of the body. This mark is unique in its shape and position compared to similar species.

2. 2

   Body Coloration

   The coppery-orange to reddish-pink body color, often with a metallic sheen, is characteristic. This can vary slightly depending on water parameters, diet, and stress levels.

3. 3

   Body Shape

   Its relatively deep and compressed body, compared to the more slender forms of some other rasboras, is a good indicator.

4. 4

   Size

   Adults typically reach a maximum standard length of 3.5-4.5 cm (1.4-1.8 inches).

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