Como identificar Tub Gurnard

Para identificar Tub Gurnard (Trigla lucerna), observe estas características principais.

Características físicas

Formato do corpo

elongated

Coloração

Highly variable, typically reddish-brown to orange-red on the dorsal side, fading to pinkish-white or silvery on the belly. The most striking feature is the large, fan-like pectoral fins, which are often bright blue or green with iridescent spots and a dark margin, especially in males during breeding season. The first dorsal fin has a dark blotch.

Tipo de escama

ctenoid

Posição da boca

terminal

Características distintivas

Large, bony, armored head with several ridges and spines., Three free, finger-like rays on each pectoral fin, used for 'walking' on the seabed and sensing prey., Large, fan-like pectoral fins, often brightly colored (blue/green with spots)., Two distinct dorsal fins.

Nadadeira dorsal

Two dorsal fins: the first with 9-11 spines, the second with 16-18 soft rays. The first dorsal fin is typically higher and has a prominent dark spot.

Nadadeira caudal

Caudal fin is slightly emarginate (forked) to truncate.

Nadadeira peitoral

Very large and fan-like, reaching beyond the origin of the anal fin. Possesses three detached, thickened rays at the bottom, which are sensory and locomotive.

Nadadeiras características

Pelvic fins are thoracic, located beneath the pectoral fins.

Dicas de identificação

1. 1

   Pectoral Fins

   Look for the exceptionally large, often iridescent blue or green pectoral fins with distinct spots and a dark margin. The three free rays at the base are also a key identifier.

2. 2

   Head Shape

   The large, bony, and somewhat flattened head with prominent ridges and spines is characteristic of gurnards, and particularly pronounced in Trigla lucerna.

3. 3

   Coloration

   The reddish-orange to brown body coloration, combined with the vibrant pectoral fins, helps distinguish it from other gurnard species.

4. 4

   First Dorsal Fin Spot

   A distinct dark blotch on the first dorsal fin is a reliable feature for identification.

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