A small silver schooling fish. Once-massive populations crashed in the 1940s (the basis of John Steinbeck's Cannery Row), recovered, then crashed again in 2015. Forage-fish keystone for seabirds, marine mammals, and predatory fish.

§ Quick facts

SizeLength 15–25 cm
Weight30–100 g
LifespanWild 12–15 years
OrderClupeiformes
FamilyClupeidae

§ Encyclopedia

Sardinops is a genus of sardines of the family Alosidae. Often considered monotypic with only member as Sardinops sagax, it currently has three valid species:Sardinops melanosticta (Temminck & Schlegel, 1846) Sardinops ocellatus (Pappe, 1853) Sardinops sagax (Jenyns, 1842) Sardinops sagax caeruleus (Girard, 1854) Sardinops sagax musica (Girard, 1855) Sardinops sagax neopilchardus (Steindachner, 1879)

Source: Wikipedia — Sardinops Licensed under CC BY-SA 4.0

§ Identification

Field marks. Slender silvery fish with bluish back; row of small dark spots along midline; small scales.

Similar species. Pacific Herring (no spots; larger). Northern Anchovy (smaller; different shape).

Voice. Silent.

§ Diet & behavior

Diet. Zooplankton, phytoplankton.

Behavior. Once-massive populations crashed in 1940s (basis of John Steinbeck's Cannery Row); recovered, then crashed again in 2015. Forage-fish keystone for west-coast seabirds, marine mammals, and predatory fish. Population swings have driven entire west-coast fishing economies up and down for over a century.

§ Range

Pacific coast from Alaska to Baja California

§ Habitat

Coastal Pacific surface waters

§ Threats

Boom-bust ocean cycles, overfishing, climate-driven ocean warming.

§ Conservation status

According to the IUCN Red List, the pacific sardine is currently classified as Least Concern.

§ What helps

Buy MSC-certified sardines. Support precautionary forage-fish management.

Support our work More ways to help

§ Further reading

§ Sources cited

  • Pacific Fishery Management Council
  • NOAA Fisheries
  • Cannery Row Foundation
  • IUCN Red List 2018