How to Identify Piraputanga

To identify Piraputanga (Brycon hilarii), look at these key features.

Physical Characteristics

Body shape

torpedo

Coloration

Silvery body, often with a yellowish tint dorsally. The most striking feature is the bright orange to reddish coloration on the caudal fin, anal fin, and sometimes the pelvic fins. A dark humeral spot may be present, and a faint lateral stripe can be observed in some individuals.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Vibrant orange/red caudal and anal fins, Robust, fusiform body, Large, well-developed scales, Strong dentition adapted for an omnivorous diet

Dorsal fin

Single, relatively short dorsal fin located mid-body, typically with 11-12 rays.

Tail fin

Deeply forked caudal fin, with prominent orange to reddish coloration.

Pectoral fin

Well-developed pectoral fins, positioned ventrally.

Distinctive fins

Anal fin is also distinctly orange to reddish, with 25-29 rays. Adipose fin present.

Identification Tips

1. 1

   Fin Coloration

   The most reliable identifier is the vivid orange to reddish color of the caudal and anal fins, which is very pronounced in adults.

2. 2

   Body Shape and Size

   Its robust, torpedo-shaped body and potential to reach significant size (up to 80 cm TL and 10 kg) distinguish it from smaller characins.

3. 3

   Geographic Location

   Its presence is restricted to the Paraguay River basin, especially the Pantanal, which helps narrow down identification.

Explore Piraputanga