Come identificare Transparent Goby

Per identificare Transparent Goby (Aphia minuta), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Almost entirely transparent, with a silvery peritoneum covering the gut. The vertebral column and internal organs are visible. Small, scattered melanophores (pigment cells) may be present, particularly along the dorsal midline and caudal peduncle.

Tipo di squame

none

Posizione della bocca

superior

Caratteristiche distintive

Highly transparent body, making internal organs visible., Two distinct dorsal fins, separated by a small gap., Large eyes relative to head size., Absence of scales on the head and body (or very few, deciduous scales)., Males develop elongated rays in the first dorsal fin and a more prominent genital papilla during breeding season.

Pinna dorsale

Two dorsal fins. The first dorsal fin has 5-6 flexible spines, often elongated in breeding males. The second dorsal fin has 1 spine and 10-13 soft rays.

Pinna caudale

Caudal fin is rounded to slightly emarginate, with 13-15 branched rays.

Pinna pettorale

Pectoral fins are relatively long, reaching beyond the origin of the second dorsal fin, with 16-18 rays.

Pinne distintive

Pelvic fins are fused to form a suction cup-like disc, characteristic of gobies, but are relatively small and delicate in Aphia minuta.

Consigli per l'identificazione

1. 1

   Transparency

   The most striking feature is its almost completely transparent body, allowing internal organs and vertebral column to be seen. This distinguishes it from most other small gobies.

2. 2

   Fin Structure

   Presence of two separate dorsal fins. The first dorsal fin has flexible spines, which can be noticeably elongated in mature males. The pelvic fins are fused into a small, delicate disc.

3. 3

   Size

   Its small adult size (typically 4-6 cm, maximum 8 cm) is a key identifier among gobies.

4. 4

   Eyes

   Relatively large eyes compared to the head size, adapted for vision in the water column.

Esplora Transparent Goby