Invertebrata

The colossal squid, the world's largest squid species, was caught on video for the first time swimming in its natural habitat, according to California's Schmidt Ocean Institute.

The colossal squid, the heaviest invertebrate in the world, was captured on video swimming in the deep sea for the first time since it was identified a century ago.

A satiety-inducing molecule called bombesin is not only present in humans and other vertebrates but also in invertebrates such as starfish and their marine relatives, according to new research.

Scientists have discovered the fossilized remains of a new fish species called Ferruaspis brocksi, which lived 15 million years ago, and some of the fish have their final meals preserved inside their stomachs.

Iridescent sweat bees, hairy-faced mining bees, tiny Perdita minima the size of a gnat. Thanks to swarms of apiary enthusiasts, native species are finally getting the buzz they deserve

An unusually well-preserved Australian fossil reveals details about the diet, behavior, and appearance of a 15-million-year-old aquatic species.

Paleontologists have identified a new genus and species of obruchevodid petalodont (petal-toothed) shark from multiple teeth unearthed at Mammoth Cave National Park in Kentucky, the United States.

Genetic evidence suggests that the reptiles somehow managed millions of years ago to make an ocean crossing from North America to Fiji.

The superb lyrebird (Menura novaehollandiae), a ground-dwelling species of moist eucalypt forests in south-eastern Australia, engineers micro-habitats to host and fatten its prey before returning later to feast.

The number of monarch butterflies wintering in the mountains west of Mexico City, rebounded this year, doubling the area they covered in 2024 despite the stresses of climate change

Planning on visiting a national park in California this year? Here's what experts want you to know before your next visit.

New research sheds light on how adorable "Finding Nemo" fish take care of anemones, enhancing mutual benefits.

The post Frontiers in Zoology appeared first on Nature.

Praying mantises, barnacles, newts and earthworms have some of the strangest love lives.

Scientists added naturally detoxifying enzymes found in microbes to lab embryos.

The latest Western Monarch Count by the Xerces Society marks the second-lowest population since tracking began in 1997. Biologists say hot temperatures and drought are to blame.

A new fungus that infects cave spiders and turns them into "zombies" was discovered in a Victorian gunpowder store at Castle Espie in Northern Ireland during filming for a TV show.

Learn about the wide-ranging Ecdysozoa group of animals and how scientists solved the curious case of their nervous systems' structure.

A velvet ant sting is like "hot oil spilling over your hand" – now, scientists have identified molecules in its venom that let it deliver excruciating pain to a variety of other animals