Como identificar Sargo Negro

Para identificar Sargo Negro (Spondyliosoma cantharus), observe estas características principais.

Características físicas

Formato do corpo

compressed

Coloração

Silvery-grey to bluish-grey dorsally, fading to silvery-white ventrally. Often exhibits 7-9 faint, darker vertical bands, which can be more pronounced in juveniles or stressed individuals. Males, especially during breeding, can display a darker, almost black coloration with iridescent blue or green spots on the head and fins. The caudal fin is typically dark-edged.

Tipo de escama

ctenoid

Posição da boca

terminal

Características distintivas

Oval, compressed body, Small mouth with incisor-like teeth in the front and molar-like teeth posteriorly, Protogynous hermaphroditism, Often exhibits faint vertical bands, Darker coloration in breeding males

Nadadeira dorsal

Single dorsal fin with 11-12 strong spines and 11-13 soft rays. The spiny portion is longer than the soft-rayed portion.

Nadadeira caudal

Moderately forked caudal fin, often with a dark posterior margin.

Nadadeira peitoral

Long and pointed pectoral fins.

Nadadeiras características

Anal fin with 3 spines and 10-12 soft rays. Pelvic fins are thoracic.

Dicas de identificação

1. 1

   Body Shape and Coloration

   Look for an oval, compressed body with a silvery-grey hue and often faint vertical bands. Breeding males are distinctly darker.

2. 2

   Mouth and Teeth

   Observe the relatively small mouth with incisor-like teeth at the front and molar-like teeth at the back, characteristic of sparids.

3. 3

   Fin Spines

   Count the dorsal fin spines (11-12) and anal fin spines (3) to confirm identification.

4. 4

   Sexual Dimorphism (Breeding Season)

   During spawning, males become much darker, almost black, with iridescent blue spots on the head, making them easily distinguishable.

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