Come identificare Glass Catfish

Per identificare Glass Catfish (Kryptopterus vitreolus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Almost entirely transparent, revealing the spine, swim bladder, and other internal organs. A faint iridescent sheen may be visible under certain lighting conditions. The only opaque parts are the head, a small area around the internal organs, and the caudal fin.

Tipo di squame

none

Posizione della bocca

superior

Caratteristiche distintive

Extreme body transparency, Two long barbels extending from the upper jaw, Absence of a dorsal fin, Small, almost invisible anal fin extending along most of the ventral side

Pinna dorsale

Absent (or vestigial, represented by a tiny spine in some individuals, but functionally absent).

Pinna caudale

Deeply forked, transparent.

Pinna pettorale

Small, transparent, located just behind the operculum.

Pinne distintive

The anal fin is remarkably long, extending from just behind the pectoral fins to the caudal peduncle, comprising 55-68 rays. Pelvic fins are very small or absent.

Consigli per l'identificazione

1. 1

   Transparency

   The most striking feature is its glass-like body, allowing internal organs and skeletal structure to be clearly seen. This distinguishes it from most other freshwater fish.

2. 2

   Dorsal Fin Absence

   Unlike many catfish species, Kryptopterus vitreolus lacks a prominent dorsal fin. This is a key diagnostic feature.

3. 3

   Barbels

   Possesses two long, delicate barbels extending from the upper jaw, used for sensing food in its environment.

4. 4

   Schooling Behavior

   Always found in tight schools, often hovering in the water column. Solitary individuals are stressed and unhealthy.

Esplora Glass Catfish