noun
Eurasian water milfoil; Myriophyllum spicatum
Specifically refers to the aquatic plant Myriophyllum spicatum. Colloquial term used in aquarium and pond contexts.
See also: 穂咲の総藻
金魚藻は金魚の水槽によく入れられる。
Eurasian water milfoil is often placed in goldfish tanks.
noun
aquarium plant; hornwort; waterweed
Broadly used for various aquatic plants kept in goldfish tanks, including hornwort and similar species. Not a strict botanical term.
ペットショップで金魚藻を買った。
I bought some aquarium plants at the pet shop.