So bestimmen Sie Viperfisch

Um Viperfisch (Chauliodus sloani) zu bestimmen, achten Sie auf diese Schlüsselmerkmale.

Körperliche Merkmale

Körperform

eel-like

Färbung

Iridescent dark silver to black, often with a metallic sheen. The photophores emit blue-green light.

Schuppentyp

none

Maulstellung

superior

Besondere Merkmale

Extremely long, needle-like fangs (up to half the length of the head) that cannot be fully retracted into the mouth., Large, hinged mouth capable of opening wide to engulf prey., Numerous photophores arranged in rows along the ventral side of the body, on the head, and on the barbels., A prominent barbel on the chin with a luminous tip, used as a lure., Large eyes, adapted for low light conditions.

Rückenflosse

Single dorsal fin located far back on the body, typically with 5-7 soft rays. The first ray is often elongated.

Schwanzflosse

Forked caudal fin.

Brustflosse

Small, located low on the body, with 9-14 rays.

Auffällige Flossen

Adipose fin present, small and fleshy, located posterior to the dorsal fin. Pelvic fins are abdominal, with 6-8 rays.

Bestimmungstipps

1. 1

   Fangs

   The most striking feature is the disproportionately long, needle-sharp fangs that protrude from the mouth even when closed. These are unmistakable.

2. 2

   Photophores

   Observe the arrangement of light-producing organs (photophores) along the body, particularly the ventral rows and the luminous tip on the chin barbel.

3. 3

   Body Shape

   Its elongated, slender, eel-like body with a large head and mouth is characteristic.

4. 4

   Dorsal Fin Position

   Note the dorsal fin's posterior placement on the body, often with an elongated first ray.

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