Come identificare Atlantic Horse Mackerel

Per identificare Atlantic Horse Mackerel (Trachurus trachurus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

torpedo

Colorazione

Dorsal side typically bluish-green to grey, fading to silvery-white on the flanks and belly. A distinct black spot is often present on the upper margin of the operculum.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Two dorsal fins, the first spiny and the second soft-rayed., A prominent, curved lateral line armed with a series of large, bony scutes (ossified scales) that extend from the pectoral fin to the caudal fin., A small, pointed adipose eyelid covering part of the eye., A small, terminal mouth with fine teeth.

Pinna dorsale

First dorsal fin with 8-9 spines; second dorsal fin with 1 spine and 28-33 soft rays. A detached finlet may be present behind the second dorsal fin.

Pinna caudale

Deeply forked caudal fin.

Pinna pettorale

Long and falcate (sickle-shaped), extending beyond the origin of the second dorsal fin.

Pinne distintive

Anal fin with 2 detached spines followed by 1 spine and 24-29 soft rays. Pelvic fins are small and located thoracically.

Consigli per l'identificazione

1. 1

   Lateral Line Scutes

   The most definitive feature is the complete lateral line armed with 69-79 large, bony scutes, which are particularly prominent posteriorly. These scutes are keeled and provide a rough texture.

2. 2

   Opercular Spot

   Presence of a distinct black spot on the upper part of the operculum (gill cover).

3. 3

   Dorsal Fins

   Two distinct dorsal fins, the first spiny and triangular, the second longer and soft-rayed.

4. 4

   Body Shape

   Elongated, fusiform body, slightly compressed laterally, typical of fast-swimming pelagic fish.

Esplora Atlantic Horse Mackerel