So bestimmen Sie Wirrah Cod

Um Wirrah Cod (Acanthistius ocellatus) zu bestimmen, achten Sie auf diese Schlüsselmerkmale.

Körperliche Merkmale

Körperform

compressed

Färbung

Highly variable, typically mottled brown, grey, and green, often with irregular darker blotches and spots (ocelli) that aid in camouflage. The ventral surface is usually lighter. Coloration can change rapidly to match the surrounding environment.

Schuppentyp

ctenoid

Maulstellung

terminal

Besondere Merkmale

Large mouth with numerous small, sharp teeth, Robust, stocky body, Large, prominent eyes, Strong, spiny dorsal fin, Often displays a series of irregular dark blotches or 'ocelli' (eye-like spots) on the body and fins, though these can be indistinct in some individuals.

Rückenflosse

Single, long dorsal fin with 10-11 strong, venomous spines followed by 16-18 soft rays. The spiny and soft-rayed portions are continuous.

Schwanzflosse

Rounded to slightly truncate caudal fin.

Brustflosse

Large, rounded pectoral fins.

Auffällige Flossen

Pelvic fins are thoracic, located beneath the pectoral fins. Anal fin has 3 spines and 8-9 soft rays.

Bestimmungstipps

1. 1

   Coloration and Pattern

   Look for the mottled brown, grey, and green body with irregular darker blotches and often distinct ocelli (eye-like spots). This cryptic pattern is key for camouflage.

2. 2

   Body Shape

   Its robust, stocky body and large head are characteristic. It is not as elongated as some other reef fish, nor as compressed as many pelagic species.

3. 3

   Dorsal Fin

   Note the single, continuous dorsal fin with a prominent spiny anterior portion (10-11 strong spines) followed by a soft-rayed portion. The spines are often held erect when threatened.

4. 4

   Mouth

   The large, upward-pointing mouth indicates its predatory nature, designed for engulfing prey.

Wirrah Cod entdecken