Como identificar Bordallo

Para identificar Bordallo (Squalius pyrenaicus), observe estas características principais.

Características físicas

Formato do corpo

torpedo

Coloração

Dorsal side is typically dark olive-green to brownish, fading to silvery-white on the flanks and belly. Scales often have a dark spot at their base, forming longitudinal lines. Fins are generally dusky, sometimes with a reddish tinge, especially during breeding season.

Tipo de escama

cycloid

Posição da boca

terminal

Características distintivas

Relatively large head, accounting for approximately 25-30% of standard length., Terminal mouth, slightly oblique, with a prominent lower jaw., Absence of barbels., Lateral line complete, with 40-45 scales.

Nadadeira dorsal

Short, with 8-9 branched rays. Originates slightly behind the pelvic fin origin.

Nadadeira caudal

Deeply forked, with pointed lobes.

Nadadeira peitoral

Relatively long, reaching almost to the pelvic fin origin.

Nadadeiras características

All fins are well-developed and proportionate to the body size, aiding in strong swimming in currents.

Dicas de identificação

1. 1

   Body Shape

   Elongated, fusiform body, typical of a rheophilic (current-loving) fish.

2. 2

   Head Size

   Noticeably large head in proportion to its body, with a slightly pointed snout.

3. 3

   Mouth

   Terminal mouth, slightly upturned, without barbels.

4. 4

   Lateral Line

   Complete lateral line with 40-45 scales, often appearing as a distinct line along the flank.

5. 5

   Coloration

   Dark olive-green to brownish back, silvery sides, and a whitish belly. Dark spots at the base of scales can create faint longitudinal lines.

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