Yes, Devils Ivy is toxic to dogs!
Dogs accidentally consuming the Devils Ivy plants can show the following clinical symptoms: Vomiting, Prolonged Depression, Incoordination, Hypersalivaton, Sleepiness Or Excitation, Dilated Pupils, Low Body Temperature, Low Blood Pressure, Coma, Seizure And Death (In Rare Cases).
Devils Ivy consumption is also toxic to Cats and Horses.
Toxic Principles Of Devils Ivy: Insoluble calcium oxalates.
More Info About The Devils Ivy Plant
Scientific Name: Epipremnum aureum
Family: Araceae.
Also known as: Pothos, Golden Pothos, Taro Vine, Ivy Arum.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.