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Photo of a Pacific Staghorn Sculpin

Species profile

Pacific Staghorn Sculpin

Leptocottus armatus

Bony fishIUCN: Least Concern2.2K iNat observations

At a glance

Pacific Staghorn Sculpin (Leptocottus armatus) is an IUCN Least Concern bony-fish species with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.

Confirmed by 2,016 research-grade iNaturalist observations, with British Columbia, California, and Washington the top jurisdictions by observation count.

Notable details

  • Named for its branched, antler-like preopercular spines jutting from both sides of the head.
  • Unusually euryhaline, it thrives in freshwater, brackish estuaries, and full-salinity seawater.
  • Adults can reach up to 18 inches (46 cm) in length.
  • Ranges from Alaska to Baja California in bays, estuaries, and tidal flats.
  • A notorious bait-stealer, frequently hooked by anglers targeting other species.

Background

The Pacific staghorn sculpin, Leptocottus armatus, is a common sculpin (Cottidae) found in shallow coastal waters along the Pacific coast from Alaska to Baja California. The sole member of its genus, it is unusual for having spined antler-like projections on its gill covers; it can raise the projections as a defense mechanism.

Background excerpt adapted from Wikipedia's Pacific Staghorn Sculpin article (CC BY-SA). Visit Wikipedia for the full entry.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.