The most poisonous creature is the sea snake.
tiger shark
sharks
No. Numbats are solitary creatures.
Yes they are
KOMODO dragon
most do but some maynot
A dorado
Piranna
certain species of sea snake
The most dangerous deep sea creature is the Sea Wasp. A deadly jellyfish. The slightest touch of their tentacles creates a permanent rash and horrible pain. Any harder and your toast.
single unicellular creature