How to Identify Black Lancer Catfish

To identify Black Lancer Catfish (Bagrichthys hypselopterus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Predominantly dark brown to black, often with a lighter, sometimes mottled, ventral surface. Some individuals may exhibit faint banding or spotting, especially when young. The fins are typically dark, matching the body.

Scale type

none

Mouth position

inferior

Distinctive features

Extremely tall, sail-like dorsal fin, which is the most prominent feature and gives rise to its common name., Four pairs of long, sensitive barbels around the mouth, used for foraging in low light conditions., Adipose fin present, relatively small., Body is smooth and scaleless.

Dorsal fin

Very tall and prominent, with a strong, serrated spine at the leading edge, followed by soft rays. The spine can be locked into an erect position.

Tail fin

Deeply forked, with pointed lobes.

Pectoral fin

Well-developed, with a strong, serrated spine at the leading edge.

Distinctive fins

The exceptionally high dorsal fin is the most distinguishing feature, giving it a unique silhouette among catfish.

Identification Tips

1. 1

   Dorsal Fin

   The most obvious identifier is the extremely tall, sail-like dorsal fin, which is disproportionately large compared to its body.

2. 2

   Coloration

   Its overall dark brown to black body coloration is consistent, though some individuals may show subtle patterns.

3. 3

   Barbels

   Presence of four pairs of long, prominent barbels around the mouth.

4. 4

   Body Shape

   An elongated, somewhat compressed body, typical of many bagrid catfishes.

Explore Black Lancer Catfish