How to Identify Snakehead Gourami

To identify Snakehead Gourami (Trichogaster pectoralis), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

The body is typically silvery-grey to greenish-brown, often with a distinctive dark, irregular lateral stripe running from the snout to the caudal fin base. The fins are generally translucent, sometimes with faint spotting. During breeding, males may exhibit more intense coloration.

Scale type

ctenoid

Mouth position

superior

Distinctive features

Elongated, somewhat compressed body, Long, filamentous pelvic fins that act as tactile organs, Labyrinth organ for atmospheric breathing, Dark, irregular lateral stripe

Dorsal fin

Long and low, with 16-18 spines and 10-13 soft rays.

Tail fin

Rounded to slightly emarginate.

Pectoral fin

Relatively small and rounded.

Distinctive fins

Pelvic fins are greatly elongated and filamentous, often reaching the caudal fin, serving as sensory organs.

Identification Tips

1. 1

   Body Shape and Size

   Elongated and somewhat compressed body, reaching up to 25 cm (10 inches) in standard length, though typically smaller in aquariums.

2. 2

   Coloration and Markings

   Silvery-grey to greenish-brown body with a prominent, irregular dark lateral stripe. Fins are generally clear.

3. 3

   Pelvic Fins

   Greatly elongated, thread-like pelvic fins are a key identifier, used for sensing the environment.

4. 4

   Labyrinth Organ

   As an anabantoid, it possesses a labyrinth organ, allowing it to breathe atmospheric air. This behavior can sometimes be observed as it surfaces.

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