Come identificare Atlantic Halibut

Per identificare Atlantic Halibut (Hippoglossus hippoglossus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

flat

Colorazione

Dorsal (eyed) side is typically dark brown to olive-green, often mottled, providing camouflage against the seabed. The ventral (blind) side is pure white, sometimes with pinkish or yellowish tinges. Juveniles may have a lighter coloration.

Tipo di squame

cycloid

Posizione della bocca

terminal

Caratteristiche distintive

Largest flatfish species globally, reaching over 4 meters in length and 300 kg in weight., Both eyes are on the right side of the head in adults., Large mouth extending to below the middle of the lower eye, armed with strong, sharp, curved teeth., Strong, crescent-shaped caudal fin (tail fin)., Lateral line has a distinct arch above the pectoral fin.

Pinna dorsale

Long, extending from above the eye to the caudal peduncle, with 98-107 soft rays. No spines.

Pinna caudale

Large, broad, and crescent-shaped (lunate), powerful for propulsion.

Pinna pettorale

Relatively small, located on both sides, with the one on the eyed side being slightly larger.

Pinne distintive

Anal fin is also long, mirroring the dorsal fin, with 73-80 soft rays. Pelvic fins are small and thoracic.

Consigli per l'identificazione

1. 1

   Size

   Its immense size (can exceed 2.5 meters and 200 kg) is a primary identifier, distinguishing it from most other flatfish.

2. 2

   Eye Placement

   Both eyes are consistently on the right side of the head in adults. This is a key feature for distinguishing it from left-eyed flatfish.

3. 3

   Lateral Line

   Observe the distinct, high arch in the lateral line above the pectoral fin. This is a reliable diagnostic characteristic.

4. 4

   Mouth and Teeth

   Its large mouth, extending past the eye, and prominent, sharp teeth are indicative of its predatory nature and differentiate it from many smaller-mouthed flatfish.

5. 5

   Tail Fin Shape

   The strong, crescent-shaped (lunate) tail fin is characteristic and provides powerful swimming capabilities.

Esplora Atlantic Halibut