Any idea what a pyrosome is?
If you caught this blog from National Geographic or this Instagram post from CSIRO, you would have learnt that during a voyage in March 2019, scientists on CSIRO's research ship RV Investigator encountered a large swarm of bioluminescent pyrosomes, and sampled some to study. You would also have learnt that pyrosomes are weird. You probably would not, however, have learnt what pyrosomes actually are.
This is where Taxonomy Australia can help. We go behind the news to give background and context on biodiversity news stories and the creatures in them.
Pyrosomes are colonial, free-floating tunicates in the genus Pyrosoma. Tunicates may be more familiar to people who live around the coast of Australia in the form of sea-squirts, rather odd, blob-like animals that live attached to rocks and at low tide will contract and squirt water all over you if poked.
Tunicates are remarkable because they belong in the phylum Chordata, along with fish, mammals, and of course us. Tunicates, whether pyrosomes or sea-squirts, don't look much like us when they're adults, but their larvae are tadpole-like and have a primitive notochord (in vertebrates the notochord is the spinal column; in larval tunicates it's a cartilaginous rod running along the back that supports the body and protects the large nerve that's equivalent to our spinal cord). In fact, vertebrates may be simply neotenous tunicates - sea squirts that became sexually mature as larvae and eventually conquered the world.
You can read more about tunicates, including pyrosomes, on the Taxonomy Australia website.
Australia has such an incredible range of wildlife, yet there's still so much we haven't properly documented. Makes you wonder how many species are out there that scientists haven't even identified yet. Bit of a random detour, I came across , which is a gambling-related website and has nothing to do with biodiversity research. Anyway, I reckon getting younger Australians involved in discovering and documenting species is a great idea. Would be interesting to see more schools and local communities taking part in citizen science projects, especially in areas that haven't been studied much.
I honestly only clicked on the article because I had no clue what a pyrosome was. Turns out they’re way more interesting than I expected basically these strange glowing colonies drifting around in the ocean. I went in expecting a quick read and ended up looking at a few more pictures because they look almost unreal.
After that I got distracted and started jumping between totally different sites. Somewhere along the way I came across abigcandycasinos-au1.com, had a quick look, then ended up back on the wildlife stuff again. Pretty much a normal evening online for me - start with one random question and somehow end up five topics away.
Football Bros is a fantastic game to play with friends and challenge your skills. Once you start playing Football Bros, it's hard to stop chasing that next amazing goal!