How to Identify Surmullet

To identify Surmullet (Mullus surmuletus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Highly variable, typically reddish-pink to bright red on the back, fading to silvery-white on the belly. Often displays three to five longitudinal yellow or orange stripes along the flanks, which can be more prominent when stressed or during spawning. The first dorsal fin has dark blotches.

Scale type

ctenoid

Mouth position

inferior

Distinctive features

Two prominent, long, chemosensory barbels originating from the chin, used for foraging., Large, cycloid scales., Two widely separated dorsal fins.

Dorsal fin

Two dorsal fins; the first with 7-9 spines, the second with 8-9 soft rays. The first dorsal fin is typically higher than the second.

Tail fin

Forked caudal fin.

Pectoral fin

Relatively small, located just behind the operculum.

Distinctive fins

Pelvic fins are thoracic, located beneath the pectoral fins.

Identification Tips

1. 1

   Barbels

   The presence of two long, prominent barbels under the chin is a key identifier for all goatfish, including the Surmullet. These are used to detect prey in the substrate.

2. 2

   Coloration

   Look for the characteristic reddish-pink to red body color with distinct yellow or orange longitudinal stripes along the flanks. The intensity of these stripes can vary.

3. 3

   Dorsal Fins

   Note the two separate dorsal fins. The first dorsal fin often has dark blotches or bands, which can help distinguish it from similar species.

4. 4

   Body Shape

   Its elongated, somewhat compressed body shape is typical of the Mullidae family.

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