How to Identify Barred Surfperch

To identify Barred Surfperch (Amphistichus argenteus), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Silvery-white to brassy-yellow on the sides, fading to white on the belly. Characterized by 8-9 prominent, dark, vertical bars that extend from the dorsal fin to below the lateral line. Often has small, irregular spots or blotches between the bars. Fins are typically dusky or yellowish.

Scale type

cycloid

Mouth position

terminal

Distinctive features

8-9 distinct dark vertical bars on the sides., Small, irregular spots or blotches often present between the bars., Deeply forked caudal fin., Relatively small, terminal mouth., Large, cycloid scales.

Dorsal fin

Single dorsal fin with 9-11 spines and 21-26 soft rays. The spinous portion is lower than the soft-rayed portion.

Tail fin

Deeply forked caudal fin, typical of active swimmers.

Pectoral fin

Moderately large and rounded, with 20-23 rays.

Distinctive fins

Pelvic fins are thoracic, located directly below the pectoral fins, with 1 spine and 5 rays. Anal fin has 3 spines and 22-27 soft rays.

Identification Tips

1. 1

   Vertical Bars

   The most distinguishing feature is the presence of 8-9 prominent, dark, vertical bars on its silvery-white to brassy-yellow sides. These bars are usually quite distinct and extend from the back down to below the lateral line.

2. 2

   Body Shape

   Possesses a deep, compressed body, typical of surfperches, allowing for efficient movement in strong currents.

3. 3

   Caudal Fin

   Look for a deeply forked tail fin, which is indicative of a fast-swimming species.

4. 4

   Habitat

   If encountered in the surf zone of sandy beaches, it is highly likely to be a Barred Surfperch, as this is their primary habitat.

Explore Barred Surfperch