How to Identify Fiery Redfin

To identify Fiery Redfin (Pseudobarbus phlegethon), look at these key features.

Physical Characteristics

Body shape

torpedo

Coloration

Dorsal surface is typically olive-brown to dark grey, fading to a silvery-white or yellowish belly. The most striking feature is the bright red coloration of the pectoral, pelvic, and anal fins, and the lower lobe of the caudal fin, especially in sexually mature males during breeding season. A faint lateral line may be present.

Scale type

cycloid

Mouth position

subterminal

Distinctive features

Vibrant red fins, particularly in males., Two pairs of small barbels around the mouth, though sometimes one pair is vestigial., Streamlined body with a relatively small head., Small, embedded scales.

Dorsal fin

Short-based, located approximately midway along the body, with 3 unbranched and 7-8 branched rays.

Tail fin

Forked, with the lower lobe often exhibiting more intense red coloration.

Pectoral fin

Relatively small, positioned low on the body, bright red.

Distinctive fins

All paired fins (pectoral and pelvic) and the anal fin are typically bright red, especially in breeding males. The caudal fin is distinctly forked.

Identification Tips

1. 1

   Fin Coloration

   Look for the distinctive bright red fins, especially in males. This is the most prominent identifying feature.

2. 2

   Body Shape and Size

   A small, slender, torpedo-shaped fish, typically reaching a maximum standard length of 70-80 mm.

3. 3

   Barbels

   Observe the presence of two pairs of small barbels around the mouth, though they can be difficult to see without close inspection.

4. 4

   Geographic Location

   Its restricted distribution to the Doring River system is a key identifier. If found outside this area, it is likely a different species.

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