Lisboa Oceanário

Clownfish, also known as anemonefish, are small, brightly colored marine fish famous for their symbiotic relationship with sea anemones.

They live in small groups with a strict dominance order: the largest is female, next is breeding male, and smaller non-breeders. If the female dies, the male becomes female (sequential hermaphroditism).

Flatfish are bony fish famous for their striking asymmetry—both eyes positioned on one side of the head, paired with ultra-flat bodies perfect for life on the seafloor.

They lurk on sandy or muddy ocean bottoms across the globe, from shallow waters down to depths of 2,000 meters, patiently ambushing prey like worms, shrimp, crabs, and small fish.

Magellanic penguins, native to the Southern Hemisphere’s subantarctic coasts, thrive in cold waters thanks to their thick blubber insulation.

They swim at speeds up to 40 km/h by flapping wings 2,000 times per minute. Facing risks from pollution, overfishing, and climate change.

Did you know that once a male penguin finds a mate, the pair usually stays together for life?

Ocean sunfish, also known as Mola mola, rank as the world’s heaviest bony fish, boasting some truly odd features. They can grow to over 2,000 kg and span up to 4 meters in length.

Frequently spotted lying sideways at the sea surface, they “sunbathe” to warm up after deep, chilly dives—which unfortunately puts them at great risk from passing fishing boats.

Pineapplefish (Cleidopus gloriamaris) are quirky, armored fish native to Australia’s coastal waters, named for their yellow bodies covered in black-rimmed scales that mimic a pineapple’s texture.

Unique light organs on each side of the lower jaw house glowing bacteria, producing green light (shifting to red with age) that’s hidden when the mouth closes—used to lure nighttime prey.

Sea otters are playful marine mammals native to the North Pacific coasts. They have the densest fur for insulation since they haven’t blubber layer. They float on their backs to rest.

Sea otter species are recovering slowly after near-extinction from fur trade.

Seadragons, close kin to seahorses, inhabit only the temperate coastal waters off southern Australia.

They dwell among rocky reefs and seagrass meadows, slow swimmers who rely completely on masterful camouflage rather than speed.