Come identificare Blue Shark

Per identificare Blue Shark (Prionace glauca), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

torpedo

Colorazione

Dorsal surface is a brilliant indigo blue, fading to lighter blue on the flanks and pure white on the ventral surface. This countershading provides camouflage in the open ocean.

Tipo di squame

placoid

Posizione della bocca

inferior

Caratteristiche distintive

Extremely slender and elongated body, Very long, scythe-like pectoral fins, Large eyes, Small, triangular, serrated teeth in both jaws, Five gill slits

Pinna dorsale

Two dorsal fins; the first is relatively small and located well behind the pectoral fins, the second is much smaller and positioned over the anal fin.

Pinna caudale

Heterocercal caudal fin (upper lobe longer than the lower lobe), typical of fast-swimming sharks.

Pinna pettorale

Very long and narrow, almost wing-like, extending significantly when swimming.

Pinne distintive

The exceptionally long pectoral fins are a key distinguishing feature.

Consigli per l'identificazione

1. 1

   Coloration

   The striking indigo blue dorsal color and white belly are highly characteristic.

2. 2

   Body Shape

   Its exceptionally slender and elongated body, almost eel-like in its slenderness compared to other large sharks, is a key identifier.

3. 3

   Pectoral Fins

   The very long, narrow, and curved pectoral fins are unmistakable.

4. 4

   Snout

   Possesses a moderately long, pointed snout.

Esplora Blue Shark