How to Identify Natal Wrasse

To identify Natal Wrasse (Talema africana), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Males typically display a vibrant green to blue-green body with irregular orange to reddish-brown blotches and lines, particularly on the head and anterior body. A prominent dark spot may be present on the operculum. Females and juveniles are generally duller, often brownish or reddish with lighter mottling, and may have a series of dark spots along the lateral line. Coloration can vary based on mood and environment.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Sexual dimorphism in coloration and patterning, Relatively small, pointed snout, Continuous dorsal fin

Dorsal fin

Single, long dorsal fin with 9 spines and 11-13 soft rays. The spinous portion is typically lower than the soft-rayed portion.

Tail fin

Rounded to slightly truncate caudal fin.

Pectoral fin

Well-developed pectoral fins, typically clear or slightly yellowish.

Distinctive fins

Pelvic fins are relatively small and located ventrally.

Identification Tips

1. 1

   Coloration (Males)

   Look for the distinctive green to blue-green body with orange/reddish blotches and lines, especially on the head. A dark opercular spot is often present.

2. 2

   Coloration (Females/Juveniles)

   Observe for duller brownish or reddish hues with lighter mottling and a series of dark spots along the lateral line.

3. 3

   Body Shape

   Note the elongated body typical of many wrasse species, with a relatively pointed snout.

4. 4

   Geographic Location

   Its presence in the western Indian Ocean, particularly off the coast of South Africa, is a key indicator.

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