Sea of constellations

"Maren the whale shark loves her life as the biggest, brightest fish in the sea. She spends her days exploring the water around her and finding fresh new snacks as she travels. But one day, the ocean goes dark and Maren's adventures come to a halt. With only the glow from the scales on her back and her best friend, Remy the remora, by her side, Maren sets out on her greatest quest yet--to cross the ocean and ask the Aztec goddess Huixtocihuatl about the darkness and to figure out how to bring back the light"--Provided by publisher.