How to Identify Yellowfin Bream

To identify Yellowfin Bream (Acanthopagrus australis), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Overall silvery-grey body, often with a bronze or yellowish sheen, particularly on the flanks. The pectoral, pelvic, and anal fins are typically yellow, sometimes bright yellow, especially in larger specimens. The caudal fin is often dusky yellow to grey. Juveniles may have faint vertical bars.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Prominent yellow coloration on pectoral and pelvic fins., Large, robust scales., Strong, conical teeth at the front of the jaws, with molar-like teeth further back., A single dorsal fin with strong spines., Deep, compressed body.

Dorsal fin

Single dorsal fin with 11-12 strong spines followed by 10-11 soft rays. The spinous portion is longer than the soft-rayed portion.

Tail fin

Moderately forked caudal fin, often dusky yellow to grey.

Pectoral fin

Long and pointed, distinctly yellow.

Distinctive fins

Pelvic fins are also yellow, located directly below the pectoral fins. Anal fin has 3 spines and 8-9 soft rays, also often yellowish.

Identification Tips

1. 1

   Fin Coloration

   Look for the distinctive yellow pectoral and pelvic fins, which are a key identifier for this species. Other bream species may have less pronounced or absent yellowing.

2. 2

   Body Shape and Color

   A deep, compressed, silvery-grey body with a bronze or yellowish sheen. Juveniles might show faint vertical banding.

3. 3

   Dentition

   If possible, observe the teeth: strong, conical incisors at the front and molar-like teeth at the back, adapted for crushing shells.

4. 4

   Dorsal Fin Spines

   Count the dorsal fin spines (11-12) and soft rays (10-11). The strong, rigid spines are characteristic.

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