Threespine Stickleback

Illustrated: Adult breeding male marine threespine stickleback; small streamlined armored silver-blue body, bright red throat and belly, blue eye, exactly three free dorsal spines before soft dorsal fin, narrow caudal peduncle and fan tail.

Gasterosteus aculeatus

All languages

English

Threespine Stickleback

Norwegian

trepigget stingsild

Japanese

イトヨ — いとよ — itoyo

Korean

큰가시고기 — keungasigogi

Spanish

Espinocho

French

Épinoche commune

German

Dreistachliger Stichling

Beta edition. Illustrations are AI-generated and translations are undergoing language review.