Zo herken je Permit

Om Permit (Trachinotus falcatus) te herkennen, let op deze belangrijke kenmerken.

Fysieke kenmerken

Lichaamsvorm

compressed

Kleur

Silvery body, often with a darker dorsal surface and lighter belly. Juveniles may have 4-5 faint vertical bars on their sides, which typically disappear with age. The tips of the dorsal and anal fins can be dusky or blackish, especially in larger individuals.

Schubtype

cycloid

Positie van de bek

inferior

Onderscheidende kenmerken

Deeply compressed, oval-shaped body, Long, scythe-like dorsal and anal fins in adults, Small, inferior mouth, Absence of scutes along the lateral line (distinguishing feature from many other jacks)

Rugvin

Two dorsal fins. The first dorsal fin has 6-7 short, stout spines. The second dorsal fin is long and sickle-shaped, with 1 spine and 18-20 soft rays. The anterior rays are greatly elongated in adults.

Staartvin

Deeply forked caudal fin with pointed lobes.

Borstvin

Short and pointed pectoral fins.

Kenmerkende vinnen

The elongated, falcate (sickle-shaped) anterior rays of the second dorsal and anal fins are highly characteristic, becoming more pronounced with age.

Identificatietips

1. 1

   Body Shape and Coloration

   Look for a deep, compressed, silvery body. Juveniles may have faint vertical bars. The overall profile is very tall relative to its length.

2. 2

   Fin Morphology

   The most distinguishing feature in adults is the extremely long, sickle-shaped anterior rays of the second dorsal and anal fins. These fins can be nearly as long as the body depth.

3. 3

   Mouth Position

   Permit have a small, inferior mouth, adapted for bottom feeding on crustaceans and mollusks.

4. 4

   Absence of Scutes

   Unlike many other members of the Carangidae family, Permit lack prominent scutes (bony plates) along the lateral line near the tail.

Ontdek Permit