Come identificare Bluespotted Cornetfish

Per identificare Bluespotted Cornetfish (Fistularia commersonii), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Typically greenish-brown to reddish-brown dorsally, fading to silvery-white ventrally. Often adorned with small, iridescent blue spots or lines along the body, particularly on the head and anterior flanks. Can rapidly change color to match its surroundings.

Tipo di squame

none

Posizione della bocca

terminal

Caratteristiche distintive

Extremely elongated, cylindrical body, often reaching up to 160 cm in total length, though more commonly 60-100 cm., Very long, tubular snout ending in a small, oblique mouth., A prominent, whip-like caudal filament extending from the center of the caudal fin, which can be as long as the body itself., Absence of scales on the body, giving it a smooth appearance., Lateral line is well-developed and runs along the side of the body.

Pinna dorsale

Single dorsal fin, located far back on the body, opposite and similar in shape to the anal fin. Typically 14-17 soft rays.

Pinna caudale

Small, forked caudal fin with a long, filamentous central ray.

Pinna pettorale

Small, fan-like pectoral fins, typically 15-17 rays.

Pinne distintive

Pelvic fins are small and abdominal, located well behind the pectoral fins. Anal fin is similar to the dorsal fin, with 14-16 soft rays.

Consigli per l'identificazione

1. 1

   Body Shape

   Its extremely long, slender, and cylindrical body is unmistakable. No other common reef fish has such a pronounced 'flute-like' shape.

2. 2

   Snout

   The very long, tubular snout with a small mouth at the end is a key diagnostic feature.

3. 3

   Caudal Filament

   The whip-like filament extending from the center of the caudal fin is unique among most reef fish and is a reliable identifier.

4. 4

   Coloration and Pattern

   While variable, the presence of small blue spots or lines, especially on the head and anterior body, is characteristic. Its ability to change color for camouflage is also notable.

5. 5

   Absence of Scales

   The smooth, scaleless body surface is a distinguishing characteristic.

Esplora Bluespotted Cornetfish