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Pacific Herring

Clupea pallasii Valenciennes 1847

Brief Summary

    Brief Summary
    provided by FAO species catalogs
    Coastal,pelagic, schooling,migrating inshore to breed, but without any strong north-south migrations, the population being localized. Apparently landlocked populations (races) exist in the lakes of South Sakhalin, eastern Hokkaido and eastern Honshu.Feeds on euphausids, also copepods, mysids, amphipods and zoea of crabs Breeds from December to July, depending on the latitude, coming into shallow water and depositing eggs on marine vegetation (mainly eelgrass and seaweeds) or solid materials. Spawning fishes will enter estuaries.



Diagnostic Description

    Diagnostic Description
    provided by FAO species catalogs
    Body elongate and fairly slender, belly rather rounded, scutes without prominent keel. No median notch in upper jaw (cf. the introduced Alosa sapidissima of the eastern Pacific).

    Gill cover (operculum) without radiating bony striae (cf. Sardinops, which has dark spots along the flank).

    Pelvic finrays 8 (as in Sardinella lemuru of southern Japan, which has strong fronto-parietal striae on top of head and a pair of fleshy outgrowths on the hind border of the gill opening).

    No distinctive dark spots on body or fins.

    Can be confused with: Overlaps C. harengus in White Sea, but distinguished by fewer vertebrae and post-pelvic scutes (usually 52 to 55 and 10 to 14; cf. usually 55 to 57 and 12 to 16).