Nature's Balloon

With its big eyes, smiley mouth and ability to balloon into a spiky ball, this is the most well-known pufferfish in the world—and you can see it right here at the Aquarium in our special exhibition, ¡Viva Baja! Life on the Edge.

The porcupinefish (Diodon hystrix) has fused, beak-like teeth that it uses to crack open crustaceans and satisfy its huge appetite. To discourage predators, it inflates itself with water, increasing its size up to three times. Furthermore, sharp spines that usually lie flat on its body pop into attention as an added warning to this fish's foes.


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Free bell jelly wallpaper from the Monterey Bay Aquarium
Bell Jelly
Free black sea nettle wallpaper from the Monterey Bay Aquarium
Black Sea Nettle
Free bloodybelly comb jelly wallpaper from the Monterey Bay Aquarium
Bloodybelly Comb Jelly
Free fringehead wallpaper from the Monterey Bay Aquarium
Fringehead
Free giant pacific octopus wallpaper from the Monterey Bay Aquarium
Giant Pacific Octopus
Free green sea turtle 3 wallpaper from the Monterey Bay Aquarium
Green Sea Turtle
Free kelp forest exhibit wallpaper from the Monterey Bay Aquarium
Kelp Forest Exhibit
Free leafy sea dragon wallpaper from the Monterey Bay Aquarium
Leafy Sea Dragon
Free longsnout seahorse wallpaper from the Monterey Bay Aquarium
Longsnout Seahorse
Free pacific spiny lumpsucker wallpaper from the Monterey Bay Aquarium
Pacific Spiny Lumpsucker
Free pelagic stingray wallpaper from the Monterey Bay Aquarium
Pelagic Stingray
Free sea star wallpaper from the Monterey Bay Aquarium
Sea Star
Free western snowy plover wallpaper from the Monterey Bay Aquarium
Western Snowy Plover
Free white
White's Seahorse
Mobile
30th Anniversary Blueprint
30th Anniversary Blueprint
A family of Lionfish Android wallpaper
A Family of Lionfish
Free acrylic jelly model wallpaper from the Monterey Bay Aquarium
Acrylic Jelly Model
Free african penguin egg wallpaper from the Monterey Bay Aquarium
African Penguin Egg
An ocean of beauty android wallpaper
An Ocean of Beauty
Free aquarium kelp logo wallpaper from the Monterey Bay Aquarium
Aquarium Kelp Logo
Baby Giant Seabass android wallpaper
Baby Giant Sea Bass
Caribbean Reef Octopus android wallpaper
Caribbean Reef Octopus
Free giant pacific octopus wallpaper from the Monterey Bay Aquarium
Giant Pacific Octopus
Humpback Fluke android wallpaper
Humpback Whale Tail
Free indonesian sea nettle wallpaper from the Monterey Bay Aquarium
Indonesian Sea Nettle
Free juvenile loggerhead turtle wallpaper from the Monterey Bay Aquarium
Juvenile Loggerhead Turtle
Free monterey bay aquarium wallpaper from the Monterey Bay Aquarium
Monterey Bay Aquarium
Free peacock mantis shrimp wallpaper from the Monterey Bay Aquarium
Peacock Mantis Shrimp
Free pharaoh cuttlefish wallpaper from the Monterey Bay Aquarium
Pharaoh Cuttlefish
Free scalloped hammerhead shark wallpaper from the Monterey Bay Aquarium
Scalloped Hammerhead Shark
South American sea nettle
South American Sea Nettle
Free southern sea otter 2 wallpaper from the Monterey Bay Aquarium
Southern Sea Otter
Spiny brittle stars android wallpaper
Spiny Brittle Stars
Turtle on Turquoise
Turtle on Turquoise
Bigfin reef squid
Two Bigfin Reef Squid
Free weedy sea dragon babies wallpaper from the Monterey Bay Aquarium
Weedy Sea Dragon Babies
Free wild otter mom and pup wallpaper from the Monterey Bay Aquarium
Wild Otter Mom and Pup
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