Kako prepoznati Balavac

Za prepoznavanje vrste Balavac (Gobio gobio), pogledajte ova ključna obilježja.

Fizičke karakteristike

Oblik tijela

elongated

Obojenost

Dorsal side is typically olive-brown to greenish-brown, fading to silvery-white on the belly. Sides are marked with 6-12 dark, often indistinct, blotches or spots. Fins are usually dusky with faint spotting.

Vrsta ljusaka

cycloid

Položaj usta

inferior

Posebna obilježja

Two small barbels at the corners of the mouth, extending to or slightly beyond the anterior margin of the eye., Large, prominent eyes positioned high on the head., Relatively large, cycloid scales., Forked caudal fin.

Leđna peraja

Single dorsal fin with 7-8 branched rays, typically located midway along the back.

Repna peraja

Forked caudal fin with 17-19 rays.

Prsna peraja

Pectoral fins are relatively large and rounded, with 13-16 rays.

Posebne peraje

Pelvic fins are abdominal, located directly below the dorsal fin, with 8 rays. Anal fin has 6-7 branched rays.

Savjeti za identifikaciju

1. 1

   Barbels

   Presence of two distinct barbels at the corners of the mouth is a key identifier, distinguishing it from many other small cyprinids.

2. 2

   Body Shape and Coloration

   Elongated, cylindrical body with mottled brown/olive coloration and lateral blotches provides good camouflage and is characteristic.

3. 3

   Mouth Position

   Inferior mouth, adapted for bottom feeding, is another important diagnostic feature.

4. 4

   Fin Ray Counts

   Counting fin rays (e.g., dorsal fin with 7-8 branched rays) can help confirm identification, especially when distinguishing from closely related species.

Istraži Balavac