Miten tunnistaa Deverika

Tunnistaaksesi lajin Deverika (Abramis brama), tarkista nämä keskeiset piirteet.

Fyysiset ominaisuudet

Ruumiinmuoto

compressed

Väritys

Juveniles are silvery, becoming golden-bronze to dark bronze with age, especially on the back and flanks. The belly is typically whitish or yellowish. Fins are generally greyish-brown.

Suomutyyppi

cycloid

Suun asento

subterminal

Erottuvat piirteet

Deep, highly compressed body, giving it a 'plate-like' appearance., Small, downward-pointing (subterminal) mouth, adapted for bottom feeding., Long anal fin, typically with 23-30 branched rays., Relatively small head in proportion to the body., Large, cycloid scales.

Selkäevä

Short, high, with 3 unbranched and 8-9 branched rays, positioned relatively far back on the body.

Pyrstöevä

Deeply forked, with the lower lobe often slightly longer than the upper.

Rintaevä

Relatively long and pointed, extending beyond the base of the pelvic fins.

Erottuvat evät

The anal fin is notably long, extending from behind the pelvic fins almost to the caudal fin base.

Tunnistusvinkit

1. 1

   Body Shape

   Look for a very deep, laterally compressed body. This is a key distinguishing feature from many other cyprinids.

2. 2

   Mouth Position

   Observe the small, downward-pointing mouth, indicative of its bottom-feeding habits.

3. 3

   Anal Fin Length

   Count the rays in the anal fin; Abramis brama typically has 23-30 branched rays, making it noticeably long.

4. 4

   Coloration

   Note the bronze-golden coloration in adults, contrasting with the silvery juveniles.

5. 5

   Lateral Line Scales

   Count the scales along the lateral line, typically 51-60, which can help differentiate it from similar species.

Tutustu lajiin Deverika