How to Identify Cape kurper

To identify Cape kurper (Sandelia capensis), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Variable, typically olive-brown to dark brown on the dorsal surface, fading to a lighter, often yellowish or silvery-white belly. Sides may have irregular dark blotches or vertical bars, especially when stressed or during breeding. Fins are generally dusky, sometimes with a reddish tinge.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Possession of a labyrinth organ for air breathing., Two distinct dorsal fins, the first spiny and the second soft-rayed., Large, protractile mouth., Rough, ctenoid scales.

Dorsal fin

Two dorsal fins: the first with 13-16 strong spines, the second with 0-1 spines and 7-10 soft rays. The two fins are often continuous or narrowly separated.

Tail fin

Rounded to slightly emarginate caudal fin.

Pectoral fin

Rounded and relatively small pectoral fins.

Distinctive fins

Anal fin with 9-12 spines and 6-9 soft rays. Pelvic fins thoracic, with one spine and five soft rays.

Identification Tips

1. 1

   Labyrinth Organ

   Observe if the fish frequently gulps air from the surface, indicating the presence of a labyrinth organ, a key characteristic of the Anabantidae family.

2. 2

   Dorsal Fins

   Note the two distinct dorsal fins, with the anterior one being spiny and the posterior one soft-rayed. They may appear continuous.

3. 3

   Body Shape and Coloration

   Look for a compressed, robust body with olive-brown to dark brown coloration, often with irregular darker blotches or bars on the sides.

4. 4

   Mouth

   Identify the relatively large, protractile mouth, indicative of its predatory feeding habits.

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