How to Identify African Tigerfish

To identify African Tigerfish (Hydrocynus vittatus), look at these key features.

Physical Characteristics

Body shape

torpedo

Coloration

Silvery body with a darker, often olive-green to bluish-grey back. The belly is typically white. Distinctive black longitudinal stripes run along the flanks. Fins are often reddish-orange, especially the caudal and adipose fins, with black tips.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Prominent, conical, interlocking teeth that are visible even when the mouth is closed., Streamlined, muscular body adapted for speed., Large, deeply forked caudal fin., Adipose fin present., Lateral line is complete and prominent.

Dorsal fin

Single, relatively short-based dorsal fin located mid-body.

Tail fin

Large, deeply forked caudal fin, often reddish with black tips, providing powerful propulsion.

Pectoral fin

Paired pectoral fins are moderately sized, positioned low on the body.

Distinctive fins

Adipose fin present between the dorsal and caudal fins, a characteristic feature of the Alestidae family. Pelvic fins are abdominal.

Identification Tips

1. 1

   Teeth

   The most unmistakable feature is the set of large, dagger-like, conical teeth that interlock when the mouth is closed. These are clearly visible.

2. 2

   Body Shape and Coloration

   A torpedo-shaped, silvery body with distinct black longitudinal stripes along the flanks. The fins, particularly the caudal and adipose, often have a reddish-orange hue with black tips.

3. 3

   Adipose Fin

   Presence of a small, fleshy adipose fin between the dorsal and caudal fins, which helps distinguish it from some other predatory fish.

4. 4

   Size

   Adults can reach significant sizes, up to 105 cm (41 inches) in total length and over 28 kg (62 lbs) in weight, though typical angling catches are smaller.

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