Kuidas tuvastada Sargo-olhal

Kala Sargo-olhal (Diplodus argenteus) tuvastamiseks jälgi neid võtmetunnuseid.

Füüsilised omadused

Keha kuju

compressed

Värvus

Silvery-white body, often with faint vertical bands that may fade after capture. A prominent, dark, saddle-like spot is present on the caudal peduncle, extending onto the base of the caudal fin. Fins are generally translucent or slightly yellowish.

Soomuse tüüp

ctenoid

Suu asend

terminal

Eristuvad tunnused

Large eyes, proportionally larger than other Diplodus species., A single, prominent dark spot on the caudal peduncle., Relatively deep body, laterally compressed., Small, terminal mouth with incisor-like teeth in the front and molars posteriorly.

Seljauim

Single dorsal fin with 11-12 spines and 12-14 soft rays. The spiny portion is longer than the soft-rayed portion.

Sabauim

Moderately forked caudal fin.

Rinnauim

Long and pointed pectoral fins.

Eristuvad uimed

Pelvic fins are thoracic, located directly below the pectoral fins.

Tuvastusnõuanded

1. 1

   Caudal Spot

   The most reliable distinguishing feature is the large, dark, saddle-like spot on the caudal peduncle, which extends onto the base of the caudal fin. This spot is typically more pronounced and covers a larger area than in other Diplodus species.

2. 2

   Eye Size

   Diplodus argenteus possesses noticeably larger eyes relative to its head size compared to other sargos, giving it the common name 'olhal' (large-eyed).

3. 3

   Body Shape

   Its body is relatively deep and compressed, with a high back profile.

4. 4

   Coloration

   The overall silvery coloration, sometimes with faint vertical bars, helps differentiate it from species with more prominent banding.

Uuri lähemalt: Sargo-olhal