Come identificare Atlantic Bonito

Per identificare Atlantic Bonito (Sarda sarda), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

torpedo

Colorazione

Dorsal side is dark metallic blue to blue-green, fading to silvery white on the flanks and belly. The most distinctive feature is the presence of 5-11 oblique, dark stripes running dorsally from the lateral line towards the back, angled upwards and backwards.

Tipo di squame

none

Posizione della bocca

terminal

Caratteristiche distintive

Streamlined, fusiform body, Small, conical teeth in a single row in each jaw, Two dorsal fins, closely set; the first is long with 20-23 spines, the second is shorter with 13-18 soft rays, followed by 8-9 finlets, Anal fin with 14-17 soft rays, followed by 6-8 finlets, Pectoral fins short, Caudal fin deeply forked with a narrow peduncle and two small keels on each side, Absence of scales on the body except for the corselet (a patch of large, thick scales around the pectoral fin and along the lateral line) and lateral line, Swim bladder absent

Pinna dorsale

Two dorsal fins, closely set. First dorsal fin is long with 20-23 spines. Second dorsal fin is shorter with 13-18 soft rays, followed by 8-9 finlets.

Pinna caudale

Deeply forked, powerful caudal fin, characteristic of fast-swimming pelagic fish.

Pinna pettorale

Short, located high on the body.

Pinne distintive

Presence of dorsal and anal finlets posterior to the main dorsal and anal fins.

Consigli per l'identificazione

1. 1

   Body Shape

   Look for a torpedo-shaped, streamlined body, typical of fast-swimming scombrids.

2. 2

   Coloration and Stripes

   Observe the dark metallic blue-green dorsal side with distinctive oblique, dark stripes (5-11) running upwards and backwards from the lateral line. The belly is silvery white.

3. 3

   Finlets

   Note the presence of 8-9 dorsal finlets and 6-8 anal finlets behind the main dorsal and anal fins, a key characteristic of the Scombridae family.

4. 4

   Scales

   Feel for the absence of scales over most of the body, except for a distinct corselet of larger scales around the pectoral fin and along the lateral line.

5. 5

   Mouth and Teeth

   Examine the mouth for small, conical teeth arranged in a single row in both jaws.

Esplora Atlantic Bonito