Crocodiles or true crocodiles are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.
These crocodiles make sharks look like the Mona Lisa these things especially Salt Water Crocodiles are so dangerous they should have them even more extinct that sharks to put on an article
Did you notice the title? It says "Top 10 Most Dangerous Sea Animals", not river animals. And the crocodile, is not one of them. - LaST_LiGHT
You mean a salt water crocodile, right? - Katekat123
2 Box Jellyfish
Box jellyfish are cnidarian invertebrates distinguished by their cube-shaped medusae. Some species of box jellyfish produce extremely potent venom: Chironex fleckeri, Carukia barnesi and Malo kingi.
Sea wasps and box jellyfish are the same species - Katekat123
One of the most dangerous animals ever. - Userguy44
This animal is almost invisible so that what makes it si dangerous
Yo won't even see it comming
3 Great White Shark
The great white shark, also known as the great white, white pointer, white shark, or white death, is a species of large lamniform shark which can be found in the coastal surface waters of all the major oceans.
4 Blue-Ringed Octopus
Dude this thing is bad it killed a giant octopus
Synanceia is a genus of fish of the family Synanceiidae, the stonefishes, whose members are venomous, dangerous, and even fatal to humans. It is one of the most venomous fish known. They are found in the coastal regions of the Indo-Pacific.
It's the most venomous fish. This should be at #1.
Step on it and your pretty much done for - Yoshidude
6 Tiger Shark
The tiger shark is a species of requiem shark and the only extant member of the genus Galeocerdo. It is a large macropredator, capable of attaining a length over 5 m. Populations are found in many tropical and temperate waters, especially around central Pacific islands.
7 Sea Snake
8 Chironex Fleckeri
They're horrible. For those of you who don't know what this is, it's a really venomous jellyfish (hence why it's called 'sea wasp')
? Great Barracuda
The Tetraodontidae are a family of primarily marine and estuarine fish of the order Tetraodontiformes.
11 Bull Shark
The bull shark is a requiem shark that is considerably dangerous. These sharks live in both freshwater and saltwater environments. Bull sharks can be recognized by seeing a shark in freshwater and watching the shark due a hit and run.
Much more deadly than a Great White according to death counter.
The killer whale or orca is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member.
Intelligent, fast, hunts in packs, big
13 Cone Snail
Cone snails can hit without causing pain. Their poison attacks the nervous system and causes suffocation.
14 Colossal Squid
15 Fire Coral
16 Sperm Whale
They’ll eat you up. Yum yum!
17 Flower Urchin
18 Giant Squid
The giant squid is a deep-ocean dwelling squid in the family Architeuthidae. Giant squid can grow to a tremendous size due to deep-sea gigantism: recent estimates put the maximum size at 13 m for females and 10 m for males from the posterior fins to the tip of the two long tentacles (second only to ...read more.
19 Bigfin Squid
If only they were alive today
21 Mackerel Tuna
22 Ikan Tongkol
Dickfish is also dangerous lol
23 Bluefin Tuna
A piranha or piraña, a member of family Characidae in order Characiformes, is a freshwater fish that inhabits South American rivers, floodplains, lakes and reservoirs.
They eat you until you're death. - Userguy44