How to Identify Blind Cave Fish

To identify Blind Cave Fish (Nemacheilus evezardi), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Depigmented, typically translucent white or pale pink due to the absence of melanin, allowing internal organs to be faintly visible.

Scale type

none

Mouth position

inferior

Distinctive features

Absence of functional eyes (eyes are vestigial or completely absent, covered by skin), Lack of pigmentation (albino-like appearance), Six prominent barbels around the mouth, highly sensitive for chemoreception and mechanoreception, Small, slender body

Dorsal fin

Single dorsal fin, typically with 9-11 branched rays, positioned centrally on the back.

Tail fin

Caudal fin is emarginate to slightly forked, providing propulsion.

Pectoral fin

Pectoral fins are well-developed, used for maneuvering and maintaining position.

Distinctive fins

Pelvic fins are present, positioned abdominally. All fins are generally translucent.

Identification Tips

1. 1

   Eyes

   Completely absent or vestigial and covered by skin, making the fish appear blind.

2. 2

   Coloration

   Lack of any body pigmentation, resulting in a pale, translucent, or whitish appearance.

3. 3

   Barbels

   Six prominent, highly sensitive barbels around the mouth, crucial for sensory perception in darkness.

4. 4

   Habitat

   Exclusively found in subterranean cave environments.

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