Como identificar Curimatã

Para identificar Curimatã (Prochilodus nigricans), observe estas características principais.

Características físicas

Formato do corpo

elongated

Coloração

Generally silvery-gray to olive-brown dorsally, fading to silvery-white ventrally. Fins are typically dusky, and a prominent dark, often circular, spot is present at the base of the caudal fin. Juveniles may exhibit faint vertical bars.

Tipo de escama

cycloid

Posição da boca

subterminal

Características distintivas

Subterminal mouth with thick, fleshy, papillose lips adapted for scraping and sifting detritus., A single, prominent dark spot at the base of the caudal fin., Robust, fusiform body., Large, cycloid scales.

Nadadeira dorsal

Single dorsal fin, typically with 11-13 rays, positioned mid-body.

Nadadeira caudal

Deeply forked caudal fin, providing powerful propulsion for migratory movements.

Nadadeira peitoral

Paired pectoral fins, moderately sized.

Nadadeiras características

Adipose fin present, small and fleshy, located posterior to the dorsal fin. Anal fin is relatively short with 10-12 rays.

Dicas de identificação

1. 1

   Mouth structure

   Observe the subterminal mouth with thick, fleshy, papillose lips, which are highly characteristic of Prochilodus species and adapted for detritus feeding.

2. 2

   Caudal fin spot

   Look for the distinct, often circular, dark spot at the base of the caudal fin. This is a key identifying feature for P. nigricans.

3. 3

   Body shape and coloration

   Note the robust, elongated body and silvery-gray to olive-brown coloration, which is typical for the species.

4. 4

   Scale size

   The scales are relatively large and cycloid, contributing to its smooth appearance.

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