Como identificar Zander

Para identificar Zander (Sander lucioperca), observe estas características principais.

Características físicas

Formato do corpo

elongated

Coloração

Dorsal side is typically greenish-grey to brownish-grey, fading to silvery-white on the flanks and belly. Distinctive dark, vertical bars or blotches (8-12) are often present on the flanks, more pronounced in younger individuals. Fins are dusky, with the dorsal and caudal fins often mottled or spotted.

Tipo de escama

ctenoid

Posição da boca

terminal

Características distintivas

Two distinct dorsal fins: the first spiny, the second soft-rayed., Large, prominent eyes with a reflective tapetum lucidum, aiding in low-light vision., Strong, canine-like teeth on both jaws, particularly prominent in the front., Elongated, pike-like body shape., Rough, ctenoid scales.

Nadadeira dorsal

Two dorsal fins: the first with 13-17 strong, sharp spines; the second with 1-3 spines and 19-24 soft rays. The two fins are typically separated or only narrowly joined.

Nadadeira caudal

Moderately forked caudal fin.

Nadadeira peitoral

Pectoral fins are relatively small, positioned low on the body.

Nadadeiras características

Pelvic fins are thoracic, located directly below the pectoral fins, with one spine and five soft rays. Anal fin has 2-3 spines and 10-14 soft rays.

Dicas de identificação

1. 1

   Body Shape

   Look for an elongated, torpedo-shaped body, more slender than a typical perch but less so than a pike.

2. 2

   Dorsal Fins

   Observe the two distinct dorsal fins: a spiny anterior fin and a soft-rayed posterior fin. These are usually separated or only slightly connected, unlike the fully joined dorsal fins of many true perches.

3. 3

   Eyes

   Note the large, somewhat glassy eyes, which are characteristic of its nocturnal hunting habits.

4. 4

   Teeth

   Carefully examine the mouth for prominent, sharp canine teeth, especially at the front of the jaws.

5. 5

   Coloration and Markings

   Identify the greenish-grey back, silvery sides, and often present dark vertical bars or blotches on the flanks, which can be more pronounced in younger fish.

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