How to Identify Cunner

To identify Cunner (Tautogolabrus adspersus), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Highly variable, ranging from reddish-brown, olive-green, or bluish-gray, often mottled or blotched to match the substrate. Juveniles may have a more pronounced lateral stripe. The belly is typically lighter.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Thick, fleshy lips, Small, conical teeth in a single row, A single, long dorsal fin with spiny and soft rays, Rounded caudal fin, Prominent scales, Often exhibits a dark spot at the base of the caudal fin in some individuals.

Dorsal fin

Single, long dorsal fin with 16-19 spines and 9-11 soft rays. The spiny portion is longer than the soft-rayed portion.

Tail fin

Rounded to slightly truncate caudal fin.

Pectoral fin

Large, rounded pectoral fins.

Distinctive fins

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

Identification Tips

1. 1

   Body Shape and Coloration

   Look for a robust, compressed body with highly variable mottled coloration (reddish-brown, olive-green, bluish-gray) that helps it camouflage with rocky substrates. The belly is usually lighter.

2. 2

   Lips and Mouth

   Observe the thick, fleshy lips and the terminal mouth with small, conical teeth. This is characteristic of wrasses.

3. 3

   Dorsal Fin

   Note the single, long dorsal fin with a prominent spiny anterior portion (16-19 spines) followed by a shorter soft-rayed portion (9-11 rays).

4. 4

   Caudal Fin

   The tail fin is typically rounded to slightly truncate, not forked.

5. 5

   Size

   Cunners are relatively small, rarely exceeding 30 cm (12 inches) in length.

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