Yes, Red Emerald is toxic to dogs!
Dogs accidentally consuming the Red Emerald 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).
Red Emerald consumption is also toxic to Cats.
Toxic Principles Of Red Emerald: Insoluble calcium oxalates.
More Info About The Red Emerald Plant
Scientific Name: Philodendron bipennifolium
Family: Araceae.
Also known as: Horsehead Philodendron, Cordatum, Heartleaf Philodendron, Panda Plant, Split Leaf Philodendron, Fruit Salad Plant, Fiddle Leaf, Red Princess, Saddle Leaf.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
