At the launch of RIFIFI: Jean Jullien for Kids, his first exhibition in Australia, there's plenty of both - as well as more fish than anyone can count.
Children are invited to put on a fish costume and step into an ocean maze, to collect and dispose of ocean plastic, make fish drawings, and lounge around on furniture in the shape of sea creatures.
They can also jump on trigger-pads on the floor, to set off a series of underwater sounds.
"I think to be able to go to the museum and scream and have music is great," the artist told AAP.
A child wearing a fish costume plays in the Jean Jullien exhibition for kids at the NGV. (HANDOUT/SUPPLIED)
Gallery visitor Emily, 8, had drawn a rainbow fish using squiggles and blocks of colour, and recommended the sit-back-and-relax starfish chairs.
Her classmate Harvey, also 8, was somewhat less discerning and loved just about everything in the exhibition.
"It's pretty cool, I love all the colours, the sea lion, the starfish, I love the fish costume - except it falls off," he told AAP.
Jullien is from a small fishing village in Brittany, and many of the fish images in the show began as sketches of his father's fishing catch.
A much-loved illustrator, who has exhibited around the world, his art is inspired by the beach, surfing, and the marine environment.
Jullien hopes the installation will help get kids interested in the ocean - which shouldn't be too hard a task, the artist said.
Jean Jullian says it's great for kids to be able to go to a museum and scream and have music. (HANDOUT/SUPPLIED)
"Any kind of fish is fantastical and magical, because it's coming from another land that you don't have access to," he said.
Rififi is a play on words derived from an old-fashioned French word for rumble, as well as sounding like the word reef in English.
The kid's show is part of the Triennial at NGV International, with other parts of the major summer exhibition already attracting tourists outside the St Kilda Rd gallery.
A giant banner by Yoko Ono reading "I LOVE YOU EARTH" has been affixed to one wall of the building, while Really Good, a towering thumbs-up sculpture from UK artist David Shrigley with a disproportionately tall thumb, has been installed at the entrance.
RIFIFI: Jean Jullien for Kids opens on Sunday as part of the Triennial at NGV International.
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