The marine creature amphioxus allows scientists to explore some of the steps that took place as simple creatures evolved to become complex animals.
Pharmaceuticals were found in every invertebrate sampled from six Melbourne streams - including a waterway in a national park.
Biologists are finding new evidence that these ocean invertebrate grazers don't just ingest whatever they catch. They can actually be picky eaters – and their choices might influence ocean food webs.
Snail shells appear to be part of the creatures' immune system.
Climate change is set to expand Antarctica's ice-free area, potentially helping native species to flourish but also paving the way for invasive species to gain a foothold.
I'm an edible invertebrate ... get me away from there.
Bigger gardens and more greenery encourages insect diversity, some of which finds its way indoors.
Springtails are found in every habitat except the oceans.
Silverfish have disappeared from our homes as book-bindings - their favourite food - have improved.
Huntsman spiders deserve a place alongside koalas and kangaroos as iconic Australian wildlife.
Be thankful you aren't a male redback spider.