From their intricate behavior to unique physical characteristics, invertebrates can offer a fascinating and low-maintenance ...

Blob is a very simple invertebrate, just like worms or jellyfish. Over 96% of all the animal species on Earth are invertebrate. They can be tiny like an insect or huge like the giant squid.

Scientists say more than 9,000 non-marine invertebrate species have gone extinct in Australia since Europeans arrived in 1788 ...

These slow-moving crabs don’t hunt, preferring to scavenge for dead animal or plant matter, though they may also eat live fish or invertebrates such as other crustaceans. This species is part of ...

That's one of the largest size differences between males and females—called sexual size dimorphism—in the animal kingdom. Why the dramatic disparity? It’s not fully known, but it’s thought ...

A new study estimates there have been more than 9,000 Australian invertebrate extinctions since 1788. Only one has been ...

Every year, SIO-BIC staff and collaborators discover invertebrate species that are entirely new to science. The scientist who first describes a newfound animal is entitled to name it, and we invite ...

Our collections cover all of the living invertebrate phyla, including Onychophora (velvet worms), Chaetognatha (arrow worms), Gastrotricha (hairybacks), Kinorhyncha (mud dragons), Nemertea (ribbon ...

Invertebrates are a diverse group of animals that make up the majority of the animal kingdom and encompass a wide array of species with varying adaptations and characteristics. Invertebrates are found ...