How to Identify New Zealand Hake

To identify New Zealand Hake (Merluccius australis), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Silvery-grey to brownish on the dorsal side, fading to a lighter, silvery-white on the ventral side. Fins are typically dusky.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Large head with a prominent lower jaw, Two dorsal fins, the first short and triangular, the second long and deeply notched, Long anal fin, similar in shape to the second dorsal fin, Absence of scales on the head, Large eyes adapted for low light conditions

Dorsal fin

Two dorsal fins; the first is short with 9-12 spines, the second is long with 37-42 soft rays and a deep notch. The second dorsal fin originates slightly behind the first.

Tail fin

Truncate to slightly emarginate caudal fin.

Pectoral fin

Pectoral fins are moderately long, reaching to or beyond the origin of the anal fin.

Distinctive fins

Pelvic fins are thoracic, located anterior to the pectoral fins, with 7 rays.

Identification Tips

1. 1

   Body Shape

   Elongated, slender body, tapering towards the caudal fin.

2. 2

   Dorsal Fins

   Two distinct dorsal fins; the second is notably longer and deeply notched, distinguishing it from many other hake species.

3. 3

   Mouth and Jaw

   Large mouth with a prominent lower jaw that extends beyond the upper jaw. Teeth are sharp and conical.

4. 4

   Coloration

   Silvery-grey to brownish back, fading to a lighter belly.

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