stagnicolous

\\-ləs\ adjective

Etymology: Latin stagnum + English -i- + -colous

: frequenting or living or thriving in stagnant water

* * *

stagnicolous, a.

(stægˈnɪkələs)

[f. mod.L. stagnicol-us (f. L. stagn-um pool + col-ĕre to inhabit) + -ous.]

Of a bird: Living in or inhabiting stagnant water.

in Century Dict.; and in later Dicts.