So bestimmen Sie Greenbone

Um Greenbone (Odax pullus) zu bestimmen, achten Sie auf diese Schlüsselmerkmale.

Körperliche Merkmale

Körperform

elongated

Färbung

Highly variable, often mottled green, brown, or reddish-brown, allowing for excellent camouflage among seaweeds. Males can display more vibrant blue-green hues, especially during breeding. Juveniles are typically greenish-brown with darker blotches. The internal bones are often green, which gives the fish its common name.

Schuppentyp

cycloid

Maulstellung

terminal

Besondere Merkmale

Elongated, somewhat compressed body, Small, protractile mouth with fused, beak-like teeth, Continuous dorsal fin with a long base, Greenish internal bones (visible upon filleting), Relatively small, cycloid scales

Rückenflosse

Single, long-based dorsal fin with 17-20 spines and 12-15 soft rays. The spiny portion is typically lower than the soft-rayed portion.

Schwanzflosse

Truncate to slightly rounded caudal fin.

Brustflosse

Relatively small, rounded pectoral fins.

Auffällige Flossen

Pelvic fins are thoracic, located beneath the pectoral fins, with one spine and five soft rays.

Bestimmungstipps

1. 1

   Body Shape and Coloration

   Look for an elongated, somewhat compressed body with highly variable mottled green, brown, or reddish-brown patterns. This camouflage helps it blend into seaweed environments.

2. 2

   Mouth and Teeth

   Observe the small, protractile mouth with fused, beak-like teeth, characteristic of its herbivorous diet. This is a key feature distinguishing it from many other reef fish.

3. 3

   Dorsal Fin

   Note the single, long-based dorsal fin. The spiny anterior portion is typically lower than the soft-rayed posterior portion.

4. 4

   Internal Bones

   If examining a filleted specimen, the distinctive green coloration of the bones is a definitive identifier.

5. 5

   Habitat

   Its presence exclusively in New Zealand's rocky reef and kelp forest habitats is a strong indicator.

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