Come identificare Tub Gurnard

Per identificare Tub Gurnard (Chelidonichthys lucerna), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Highly variable, typically reddish-brown to orange-red on the dorsal side, fading to pinkish or whitish on the ventral side. The pectoral fins are often strikingly colored, displaying iridescent blue, green, or purple spots and margins, particularly noticeable when spread.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Large, bony head encased in bony plates and spines., Two separate dorsal fins., Three free, finger-like rays on each pectoral fin, used for 'walking' on the seabed and sensing prey., Large, fan-like pectoral fins, often with vibrant coloration., Prominent lateral line.

Pinna dorsale

Two dorsal fins: the first with 9-11 strong, spiny rays; the second with 15-17 soft rays. The first dorsal fin is typically higher.

Pinna caudale

Caudal fin is truncate or slightly emarginate.

Pinna pettorale

Large and fan-shaped, extending beyond the origin of the anal fin. The three lowermost rays are free, thickened, and used as sensory and locomotive appendages. Pectoral fins often display vibrant blue or green spots.

Pinne distintive

The free pectoral fin rays are a key diagnostic feature, allowing the fish to 'walk' and probe the substrate. The large, colorful pectoral fins are also highly distinctive.

Consigli per l'identificazione

1. 1

   Pectoral Fins

   Look for the large, fan-like pectoral fins with three free, finger-like rays at the bottom. These fins often have striking iridescent blue or green spots and margins.

2. 2

   Head Shape

   Observe the large, bony, and somewhat flattened head, which is armored with ridges and spines. The snout is relatively blunt.

3. 3

   Coloration

   Note the reddish-brown to orange-red body color, which can vary depending on the substrate and depth. The ventral side is paler.

4. 4

   Dorsal Fins

   Identify the two distinct dorsal fins; the first is spiny and higher, while the second is soft-rayed.

Esplora Tub Gurnard