Kuidas tuvastada Chub

Kala Chub (Squalius cephalus) tuvastamiseks jälgi neid võtmetunnuseid.

Füüsilised omadused

Keha kuju

elongated

Värvus

Dorsal side is typically dark green to brownish-grey, fading to silvery-white on the flanks and belly. Fins are often dusky, with the anal and pelvic fins sometimes having a reddish tinge, especially during spawning.

Soomuse tüüp

cycloid

Suu asend

subterminal

Eristuvad tunnused

Large, broad head with a wide, subterminal mouth., Large, distinct scales, often with a dark margin, giving a reticulated appearance., Robust, cylindrical body., Short dorsal fin with 8-9 branched rays., Anal fin with 8-9 branched rays.

Seljauim

Short, with 3 unbranched and 8-9 branched rays. Originates slightly behind the pelvic fin origin.

Sabauim

Moderately forked, with rounded lobes.

Rinnauim

Relatively short and rounded.

Eristuvad uimed

Pelvic fins are positioned abdominally. All fins are generally dusky, sometimes with a reddish tint.

Tuvastusnõuanded

1. 1

   Head and Mouth

   Look for a noticeably large, broad head with a wide, subterminal mouth. The mouth extends to below the anterior margin of the eye.

2. 2

   Scales

   Observe the large, distinct scales, which often have a dark margin, creating a prominent reticulated pattern over the body.

3. 3

   Body Shape

   Note the robust, cylindrical body shape, which is less compressed laterally than many other cyprinids.

4. 4

   Fin Coloration

   While variable, the anal and pelvic fins often exhibit a reddish or orange tinge, especially in mature individuals or during spawning.

Uuri lähemalt: Chub