How to Identify Purple Wrasse

To identify Purple Wrasse (Notolabrus fucicola), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Highly variable. Juveniles are typically greenish-brown with dark bands. Adults can range from deep purple to reddish-brown, often with irregular darker bands or blotches. Males tend to be more intensely colored, especially during breeding, displaying vibrant purples, blues, and greens. A prominent dark spot is often present at the base of the pectoral fin. The head may have intricate patterns of lines and spots.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Thick, fleshy lips, Canine-like teeth at the front of the jaws, Variable banding patterns that change with age and sex, Often a dark spot at the pectoral fin base

Dorsal fin

Single, long dorsal fin with 9 spines and 11-12 soft rays. The spiny portion is typically lower than the soft-rayed portion.

Tail fin

Rounded to slightly truncate caudal fin.

Pectoral fin

Large and rounded pectoral fins.

Distinctive fins

Pelvic fins are thoracic, located directly below the pectoral fins.

Identification Tips

1. 1

   Coloration and Pattern

   Look for the characteristic purple, brown, or greenish body with variable banding or blotches. The dark spot at the pectoral fin base is a good indicator.

2. 2

   Body Shape

   Its relatively deep, elongated body and thick lips are typical of wrasses.

3. 3

   Habitat

   Found exclusively in temperate rocky reef and kelp forest environments of southeastern Australia and New Zealand.

4. 4

   Size

   Adults can reach a considerable size, up to 50 cm, which helps distinguish them from smaller wrasse species.

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