Hilsa fish migration 🐟 byJAYDIP_AHIR •February 13, 2021 ~Hilsa fish migration 🐟~ • Catadromous migration of fresh water fishes to sea for egg-laying (spawning). • Examples : European eel (Anguilla rostrata) and American eel (Anguilla vulgaris). Hilsa fish migration 🐟 ~Eel (Anguilla) fishes …