Como identificar Jundiá, Silver Catfish, Bagre

Para identificar Jundiá, Silver Catfish, Bagre (Rhamdia quelen), observe estas características principais.

Características físicas

Formato do corpo

elongated

Coloração

Highly variable, ranging from silvery-gray to dark brown or olive on the dorsal surface, fading to a lighter, often whitish or yellowish, ventral side. Some individuals may exhibit irregular dark spots or blotches, particularly when young. The fins are typically dusky or translucent.

Tipo de escama

none

Posição da boca

terminal

Características distintivas

Four pairs of prominent barbels: one nasal, one maxillary (the longest, extending beyond the pectoral fin base), and two mental (mandibular)., Adipose fin present and well-developed., Scaleless body, covered in thick mucus., Strong, serrated spines in the dorsal and pectoral fins.

Nadadeira dorsal

Single, short-based dorsal fin with a strong, serrated spine and 6-7 soft rays. Located anterior to the adipose fin.

Nadadeira caudal

Caudal fin deeply forked, with pointed lobes.

Nadadeira peitoral

Pectoral fins with a strong, serrated spine and 8-10 soft rays. The spine can inflict a painful wound.

Nadadeiras características

Well-developed adipose fin, characteristic of many catfish species, positioned over the posterior half of the anal fin.

Dicas de identificação

1. 1

   Barbels

   Look for the four pairs of prominent barbels, especially the long maxillary barbels that extend past the pectoral fin base.

2. 2

   Adipose Fin

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

3. 3

   Body Shape and Skin

   Elongated, cylindrical body with smooth, scaleless skin.

4. 4

   Fin Spines

   Note the strong, serrated spines in the dorsal and pectoral fins, which are a key defensive feature.

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