How to Identify Croaking Gourami

To identify Croaking Gourami (Trichopsis vittata), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Body typically brownish-grey to olive-green, often with two or three prominent dark horizontal stripes running from the snout to the caudal fin base. Fins are usually translucent with iridescent blue or green spots, particularly on the dorsal, anal, and caudal fins. Males tend to be more vibrantly colored, especially during breeding, and may exhibit red or blue hues.

Scale type

ctenoid

Mouth position

superior

Distinctive features

Ability to produce audible 'croaking' sounds, Presence of a labyrinth organ for atmospheric air breathing, Elongated, filamentous pelvic fins

Dorsal fin

Long and low, extending along much of the back, with 2-4 spines and 6-8 soft rays.

Tail fin

Rounded to slightly emarginate.

Pectoral fin

Small and rounded, used for propulsion and generating sounds.

Distinctive fins

Pelvic fins are long and filamentous, often reaching the caudal fin.

Identification Tips

1. 1

   Size

   Typically grows to a maximum standard length of 6-7 cm (2.4-2.8 inches).

2. 2

   Coloration and Pattern

   Observe the brownish-grey to olive body with 2-3 dark horizontal stripes. Look for iridescent blue/green spots on fins, especially in males.

3. 3

   Fin Shape

   Note the long, filamentous pelvic fins and the rounded caudal fin.

4. 4

   Sound Production

   Listen for the characteristic 'croaking' sounds, particularly during interactions between individuals.

5. 5

   Labyrinth Organ

   Observe if the fish frequently surfaces to gulp air, indicating the presence of a labyrinth organ.

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