Kako prepoznati Bluefish

Za prepoznavanje vrste Bluefish (Pomatomus saltatrix), pogledajte ova ključna obilježja.

Fizičke karakteristike

Oblik tijela

torpedo

Obojenost

Dorsal side is typically greenish-blue to dark blue, fading to silvery-white on the flanks and belly. Fins are often dusky or yellowish.

Vrsta ljusaka

cycloid

Položaj usta

terminal

Posebna obilježja

Robust, compressed body, Large, powerful jaws with prominent, sharp, conical teeth, Two dorsal fins, the first spiny and depressible into a groove, Forked caudal fin, Absence of finlets

Leđna peraja

Two dorsal fins: the first with 7-8 strong spines, depressible into a groove; the second with 1 spine and 23-26 soft rays. The second dorsal fin is similar in shape and size to the anal fin.

Repna peraja

Strongly forked, homocercal caudal fin, dark or dusky.

Prsna peraja

Short, located low on the body, with 16-18 rays.

Posebne peraje

Anal fin with 2-3 spines and 23-27 soft rays, originating slightly behind the second dorsal fin. Pelvic fins are thoracic, with 1 spine and 5 soft rays.

Savjeti za identifikaciju

1. 1

   Body Shape

   Robust, somewhat compressed, torpedo-shaped body, indicative of a fast-swimming predator.

2. 2

   Coloration

   Dark blue-green dorsally, silvery-white ventrally. This countershading helps with camouflage in open water.

3. 3

   Mouth and Teeth

   Large mouth with a prominent lower jaw and a single row of razor-sharp, conical teeth in both jaws. This is a key distinguishing feature.

4. 4

   Dorsal Fins

   Two distinct dorsal fins; the first is spiny and can be folded into a groove, while the second is soft-rayed and similar in size to the anal fin.

5. 5

   Caudal Fin

   Strongly forked tail, dark or dusky, providing powerful propulsion.

Istraži Bluefish