Como identificar Bagre

Para identificar Bagre (Pimelodus), observe estas características principais.

Características físicas

Formato do corpo

elongated

Coloração

Highly variable among species, but generally silvery-grey to brownish, often with dark spots or blotches on the body and fins. Some species exhibit a counter-shaded pattern, darker dorsally and lighter ventrally.

Tipo de escama

none

Posição da boca

terminal

Características distintivas

Three pairs of prominent barbels (one maxillary, two mental), which are highly sensitive chemosensory organs used for foraging in low light conditions., Adipose fin present, typically well-developed., Strong, serrated spines in the dorsal and pectoral fins.

Nadadeira dorsal

Single dorsal fin with a strong, serrated spine and 6-7 soft rays. An adipose fin is present posterior to the dorsal fin.

Nadadeira caudal

Forked caudal fin, typically symmetrical.

Nadadeira peitoral

Pectoral fins with a strong, serrated spine and several soft rays.

Nadadeiras características

Pelvic fins are abdominal. Anal fin is relatively short with 9-15 rays.

Dicas de identificação

1. 1

   Barbels

   Observe the three pairs of long, prominent barbels. The maxillary barbels extend beyond the pectoral fins in many species.

2. 2

   Adipose Fin

   Presence of a distinct adipose fin, a fleshy, rayless fin located between the dorsal and caudal fins.

3. 3

   Body Pattern

   Note the presence and pattern of spots or blotches on the body and fins, which can be species-specific (e.g., P. maculatus with distinct dark spots).

4. 4

   Fin Spines

   Examine the strong, serrated spines in the dorsal and pectoral fins. These are a key characteristic of the family Pimelodidae.

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