Amphistichus argenteus

Barred Surfperch

Family: Embiotocidae · Class: Actinopterygii · Order: Blenniiformes

The barred surfperch is a marine fish belonging to the family Embiotocidae, characterized by its distinctive vertical barring pattern and silvery coloration. Adults typically measure 20 to 30 cm (8 to 12 inches) in total length, with a compressed, oval-shaped body. The species displays prominent dark vertical bars across its silver sides, giving rise to its common name. The dorsal fin is continuous with both spiny and soft-rayed portions, and the anal fin base is notably thick, particularly in breeding males. Barred surfperch range along the Pacific Coast from Bodega Bay in Sonoma County, California, south to central Baja California, Mexico (Love and Passarelli 2020). Some sources indicate the northern range extends to Mendocino County. The species is most abundant in central and southern California waters, where it represents a significant component of the nearshore marine fish community. This species primarily inhabits sandy beaches and rocky intertidal zones within the surf zone. Barred surfperch are commonly found in shallow coastal waters, typically at depths less than 20 meters (65 feet), though they may venture into slightly deeper waters. They prefer areas with moderate to high wave energy and are often associated with kelp beds and rocky reefs adjacent to sandy substrates. The species demonstrates tolerance for varying salinity levels and may enter estuarine environments. Barred surfperch are viviparous, giving birth to live young rather than laying eggs, a characteristic shared with other embiotocid species. Mating occurs during spring and early summer, with females carrying developing embryos for several months before giving birth to fully formed juveniles. The species feeds primarily on small invertebrates, including amphipods, polychaete worms, small crustaceans, and mollusks found in sandy substrates and among algae. They employ a foraging strategy that involves sifting through sand and picking invertebrates from kelp and other marine vegetation. Barred surfperch support both commercial and recreational fisheries in California. The species has historically been an important component of the surf fishing catch, particularly in southern California where it consistently ranks among the top ten species caught by marine sport anglers since the late 1970s (CDFW). Commercial surfperch fisheries are subject to seasonal closures from May 1 through July 15, a conservation measure implemented in 1913. Additional regulations prohibit commercial take of all surfperch south of Point Arguello. The species currently lacks federal or state listing status, and populations appear stable throughout most of its range. However, like many nearshore species, barred surfperch face potential threats from coastal development, water quality degradation, and climate change impacts on marine ecosystems. The California Recreational Fisheries Survey continues to monitor catch data and population trends for this species as part of ongoing fisheries management efforts.

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, and more.