كيف تتعرف على Bream

للتعرف على Bream (Abramis brama)، انظر إلى هذه الميزات الرئيسية.

الخصائص الجسدية

شكل الجسم

compressed

التلوين

Adults are typically bronze to golden-brown on the back and flanks, fading to a yellowish-white or silvery belly. Older specimens can be quite dark, almost blackish-brown. Juveniles are silvery. Fins are generally dusky or greyish.

نوع القشور

cycloid

موضع الفم

subterminal

السمات المميزة

Deep, laterally compressed body, often with a high back., Small, downward-pointing (subterminal) mouth, adapted for bottom feeding., Long anal fin, typically with 23-30 branched rays., Absence of barbels., Large, easily detached scales.

الزعنفة الظهرية

Short, high, with 3 unbranched and 8-9 branched rays. Origin is posterior to the pelvic fin origin.

الزعنفة الذيلية

Deeply forked, with the lower lobe often slightly longer than the upper.

الزعنفة الصدرية

Relatively long, reaching or nearly reaching the pelvic fin origin.

الزعانف المميزة

The anal fin is notably long, extending from behind the dorsal fin almost to the caudal peduncle.

نصائح التعرف

1. 1

   Body Shape

   Look for a very deep, flattened body. The depth of the body is typically 2.5 to 3.5 times its standard length in adults.

2. 2

   Mouth

   Observe the small, protractile, subterminal mouth, which is characteristic of its bottom-feeding habit.

3. 3

   Fins

   Note the exceptionally long anal fin (23-30 branched rays) and the relatively short dorsal fin (8-9 branched rays). The dorsal fin origin is behind the pelvic fin origin.

4. 4

   Coloration

   Adults are bronze to golden-brown, while juveniles are silvery. This changes with age and habitat.

5. 5

   Scales

   The scales are large and often easily detached when handled.

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