Come identificare Ghiozzo gò

Per identificare Ghiozzo gò (Gobius geniporus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Variable, typically sandy to brownish-grey, often with irregular darker blotches or bands along the flanks that aid in camouflage. The ventral side is usually lighter. Fins are generally translucent with some darker speckling.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Relatively long snout compared to other Gobius species., Prominent sensory pores on the head, particularly noticeable on the preopercle and opercle., Two dorsal fins, separated., Pelvic fins fused into a disc-like sucker.

Pinna dorsale

Two dorsal fins; D1 with 6-7 spines, D2 with 1 spine and 10-12 soft rays. The first dorsal fin is typically lower than the second.

Pinna caudale

Rounded to slightly emarginate caudal fin.

Pinna pettorale

Large, fan-like pectoral fins with 17-19 rays.

Pinne distintive

Pelvic fins are fused to form a prominent adhesive disc, characteristic of gobies, used for clinging to substrates.

Consigli per l'identificazione

1. 1

   Snout Length

   Gobius geniporus has a noticeably longer snout compared to many other Gobius species. This is a key distinguishing feature.

2. 2

   Sensory Pores

   Examine the head for a distinct pattern of sensory pores, particularly on the preopercle and opercle. These are often more pronounced than in similar species.

3. 3

   Coloration and Pattern

   While variable, the irregular dark blotches and bands on a sandy-brown background are typical. Look for a lack of prominent ocelli (eye-spots) on the dorsal fin, which are present in some other gobies.

4. 4

   First Dorsal Fin

   The first dorsal fin is generally lower than the second dorsal fin, and its spines are not elongated or filamentous.

Esplora Ghiozzo gò