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“hydrophids”
Any sea snake of the genus "Hydrophys": The Hydrophids are venomous or poisonous, live by eating fishes, and have a flattened tails for swimming.
This entry is located in the following units:
hydro-, hydra-, hydr-, hyd-
(page 10)
ophio-, ophi-, ophid-, -ophis; -ophidio, -ophidia
(page 1)