How to Identify Marbled Pimelodus

To identify Marbled Pimelodus (Pimelodus pictus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Silvery-white to light grey body with numerous distinct, irregular black spots of varying sizes covering the entire body, including fins. The spots are typically more concentrated on the dorsal surface.

Scale type

none

Mouth position

terminal

Distinctive features

Long, prominent maxillary barbels that can extend beyond the caudal fin., Two pairs of mental barbels., Adipose fin present., Strong, serrated pectoral and dorsal fin spines.

Dorsal fin

Single dorsal fin with a strong, serrated spine and 6-7 soft rays. An adipose fin is present posterior to the dorsal fin.

Tail fin

Forked caudal fin.

Pectoral fin

Pectoral fins with a strong, serrated spine and several soft rays.

Distinctive fins

The pectoral and dorsal fin spines are capable of locking into an erect position, serving as a defense mechanism.

Identification Tips

1. 1

   Coloration and Spot Pattern

   The most distinguishing feature is the silvery body with numerous irregular black spots. The size and distribution of these spots can vary slightly between individuals but are consistently present.

2. 2

   Barbels

   The extremely long maxillary barbels, often extending past the caudal fin, are a key identifier. They also possess two pairs of shorter mental barbels.

3. 3

   Fin Spines

   Presence of strong, serrated spines in the dorsal and pectoral fins, which can be locked for defense.

4. 4

   Body Shape

   An elongated, somewhat compressed body shape, typical of many active catfish species.

Explore Marbled Pimelodus