How to Identify Moonlight Gourami

To identify Moonlight Gourami (Trichopodus microlepis), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Predominantly silvery-white to pale green, often with an iridescent sheen that can appear bluish or yellowish under certain lighting. Fins are typically translucent, sometimes with a faint yellowish tint. Juveniles may exhibit a faint dark spot on the flank, which usually fades with age.

Scale type

cycloid

Mouth position

superior

Distinctive features

Long, filamentous, thread-like pelvic fins that act as tactile organs., Absence of any distinct markings or patterns on the body, giving it a 'moonlit' appearance., Large, prominent eyes., Slightly upturned mouth.

Dorsal fin

Single, relatively short dorsal fin with 3-6 spines and 8-12 soft rays. Originates posterior to the pectoral fin base.

Tail fin

Rounded to slightly emarginate caudal fin.

Pectoral fin

Large, fan-shaped pectoral fins.

Distinctive fins

Pelvic fins are greatly elongated and modified into single, filamentous rays, often extending beyond the caudal fin. These are used for sensing the environment.

Identification Tips

1. 1

   Coloration

   Look for the uniform, iridescent silvery-white to pale green body without any prominent stripes or spots, which distinguishes it from many other gourami species.

2. 2

   Pelvic Fins

   The most distinctive feature is the pair of extremely long, thread-like pelvic fins. These are usually held forward and are constantly moving, exploring the surroundings.

3. 3

   Body Shape

   Its elongated and laterally compressed body, combined with the lack of strong patterns, gives it a sleek, almost ethereal appearance.

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