Spirinchus

Updated on Apr 25, 2026

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Kingdom Animalia Scientific name Spirinchus Higher classification Smelt Order Osmeriformes		Family Osmeridae Phylum Chordata Rank Genus
Lower classifications Longfin smelt, Shishamo

Spirinchus is a genus of smelts (Osmeridae).

Shishamo smelt spirinchus lanceolatus grill

There are currently three recognized species in this genus:

Spirinchus lanceolatus (Hikita, 1913)

Spirinchus starksi (Fisk, 1913) (Night smelt)

Spirinchus thaleichthys (Ayres, 1860) (Longfin smelt)

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