So bestimmen Sie Pangasius Wels

Um Pangasius Wels (Pangasius hypophthalmus) zu bestimmen, achten Sie auf diese Schlüsselmerkmale.

Körperliche Merkmale

Körperform

torpedo

Färbung

Adults are typically uniformly grey to silvery-grey on the dorsal and lateral surfaces, fading to whitish on the belly. Juveniles exhibit two distinct dark stripes along the lateral line and a black stripe along the anal fin, which fade with age. The fins are often dusky.

Schuppentyp

none

Maulstellung

terminal

Besondere Merkmale

Sleek, compressed, shark-like body, Two pairs of barbels (one maxillary, one mandibular) in juveniles, often only the maxillary pair persists in adults, Deeply forked caudal fin, Absence of scales, Relatively small eyes

Rückenflosse

One short, high dorsal fin with 1-2 spines and 6-7 soft rays, followed by a small adipose fin (often absent or vestigial in adults).

Schwanzflosse

Deeply forked caudal fin, with pointed lobes.

Brustflosse

Large, triangular pectoral fins with a strong, serrated spine.

Auffällige Flossen

Anal fin is long, extending from behind the anus to the caudal peduncle, with 26-32 soft rays. Pelvic fins are small.

Bestimmungstipps

1. 1

   Body Shape and Coloration

   Look for the torpedo-shaped, silvery-grey body. Juveniles have distinct dark lateral stripes that fade in adults.

2. 2

   Fins

   Note the deeply forked caudal fin and the long anal fin. The presence of a strong, serrated spine in the pectoral fins is also characteristic.

3. 3

   Barbels

   Observe the two pairs of barbels in juveniles, reducing to one pair (maxillary) in adults. This distinguishes it from many other catfish species.

4. 4

   Scales

   The absence of scales is a key feature of this catfish.

Pangasius Wels entdecken