![Bony Fishes: Osteichthyes, Fishes, LIFE STAGES, less than 1 inch, Laz Ruda, Lazaro Ruda Wildlife Photographer, MARINE LIFE, PHOTO TYPE, night dive, Puffers: Pufferfishes: Tetraodontidae, SIZE, macro, TheLivingSea.com, West Palm Beach, [LOCATION], blackwater, larvae, comedy, cute, face, front profile, funny, horizontal, juvenile, less than 1 inch, macro, marine, ocean, underwater, underwater photo](https://oceanwildlifephoto.com/wp-content/uploads/2020/01/210319-214950-0081.jpg)
Almost all pufferfish contain a substance called tetrodotoxin that is 1,200 times more poisonous than cyanide with no known antidote. Even in their larval stage (such as this one measuring 1cm) they also begin to grow spines throughout their body as a means of protection. Learn more about puffer fish.