Miten tunnistaa Saithe

Tunnistaaksesi lajin Saithe (Pollachius virens), tarkista nämä keskeiset piirteet.

Fyysiset ominaisuudet

Ruumiinmuoto

torpedo

Väritys

Dorsally dark greenish-brown to black, fading to a silvery-grey on the flanks and a pale belly. The dark coloration is particularly noticeable on the back and upper sides, giving it the 'coalfish' moniker.

Suomutyyppi

cycloid

Suun asento

terminal

Erottuvat piirteet

Straight, pale lateral line that is distinctly lighter than the surrounding body color and does not curve significantly over the pectoral fin., Three dorsal fins and two anal fins., Small barbel, often absent or rudimentary, on the chin (unlike cod which has a prominent barbel)., Large eyes relative to its head size., Forked caudal fin.

Selkäevä

Three distinct dorsal fins. The first dorsal fin has 13-16 rays, the second 18-24 rays, and the third 17-22 rays.

Pyrstöevä

Deeply forked caudal fin, indicative of a fast-swimming pelagic species.

Rintaevä

Relatively small pectoral fins, positioned low on the body.

Erottuvat evät

Two distinct anal fins. The first anal fin has 23-29 rays, and the second 17-22 rays. Pelvic fins are small and located anterior to the pectoral fins.

Tunnistusvinkit

1. 1

   Lateral Line

   The most reliable distinguishing feature is the straight, pale lateral line, which is noticeably lighter than the dark body color and does not curve sharply above the pectoral fin.

2. 2

   Chin Barbel

   Saithe typically have a very small or absent chin barbel, in contrast to the prominent barbel found on Atlantic Cod (Gadus morhua).

3. 3

   Coloration

   Its dark, almost blackish-green back and silvery sides are characteristic, especially when compared to the lighter, mottled coloration of Atlantic Cod.

4. 4

   Body Shape

   More streamlined and torpedo-shaped than the more robust and deeper-bodied Atlantic Cod.

Tutustu lajiin Saithe