Dr Tim O’Hara

New paper in Nature: global evolutionary biogeography of my favourite animals.

www.nature.com/articles/s41...

theconversation.com/five-arms-no...

www.theguardian.com/environment/...

23.07.2025 21:22 — 👍 6    🔁 1    💬 0    📌 0

Wow, no idea what this is.

29.04.2025 03:23 — 👍 1    🔁 0    💬 1    📌 0

Spatiotemporal faunal connectivity across global seafloors Our knowledge of biogeographic patterns and processes in the deep sea has been limited by the lack of integrated datasets that cover its vast extent. Here we analyse a new global dataset of genomic DN...

A preprint of our latest global marine biogeography, presented at DSBS17, is available at doi.org/10.21203/rs....

23.01.2025 06:11 — 👍 3    🔁 0    💬 0    📌 0

Beautiful image. I will read the paper tomorrow!

22.01.2025 10:59 — 👍 1    🔁 0    💬 1    📌 0

Yeah, that was a cool talk.

18.01.2025 02:12 — 👍 2    🔁 0    💬 1    📌 0

It’s out! A new faunal inventory for deep sea habitats around cold seeps off Costa Rica, including sone cool brittle-stars, see zookeys.pensoft.net/article/1343...

04.01.2025 00:47 — 👍 3    🔁 2    💬 0    📌 0

Here is the long lost brittle star Asteroschema monobactrum, last collected over a hundred years ago, from the SE seamounts of Chile. Merry Christmas!! #oceancensus #museumsvictoria

25.12.2024 00:20 — 👍 2    🔁 0    💬 0    📌 0

I have found old friends on seamounts in the SE Pacific, same species as from seamounts off New Zealand & Australia. Never ceases to amaze me how far these animals have dispersed across open oceans. #taxonomyworkshop2024-ID #chile

10.12.2024 10:28 — 👍 7    🔁 2    💬 0    📌 1

Woohoo, the Cocos (Keeling) Island seamount makes the front cover of DSBII. Mapped for the first time by the RV Investigator in 2022. Now I had better finish the macroecology paper …

09.12.2024 10:43 — 👍 5    🔁 2    💬 0    📌 0

Australian man smiling wearing a white shirt with a jar containing a snake star on a coral

A snake star with long curled arms on a pink coral

man in white shirt with jar containing snake star on pink coral in foreground, background with microscope and sample jars

The @oceancensus.bsky.social #taxonomyWorkshop2024 in Chile CONTINUES! Here, drtimohara.bsky.social, world ophiuroid expert from #museumvictoria studies ASTEROSCHEMA one of the most widespread #deepea serpent stars! #echinoday How many new? species will we find?? #falkor

06.12.2024 23:55 — 👍 9    🔁 3    💬 1    📌 0

Also a quick note to those who are following.. THIS is Dr. Tim O'Hara's proper Blue Sky account @drtimohara.bsky.social‬
· the other one is some other guy with the same name!

06.12.2024 23:57 — 👍 0    🔁 1    💬 0    📌 0

Today’s marine biogeography thought: the first brittle stars to reach remote oceanic islands are Amphipholis squamata & Ophiactis savignyi, both polyploids! Super-dispersers!

29.11.2024 23:01 — 👍 7    🔁 1    💬 0    📌 0

Weird looking Amphiura, the overall morphology looks more like Ophiodaphne (although I can’t see the mouthparts).

29.11.2024 22:55 — 👍 1    🔁 0    💬 1    📌 0