Here’s another simple but difficult question that came up this week on Twitter prompted by cephapodologist @Thomas_Clements reaction to a tweet put out by the team behind the E/V Nautilus deep sea rover twitter account which used a popular science fact about vampire squid which read as such:
Did you see it?! We had an extended visit with a Vampyroteuthis infernalis (literally meaning “vampire squid from hell”). Neither a squid nor octopus, this fierce-sounding cephalopod actually fishes for marine snow using two retractable filaments and mucus-covered suckers!
Now, as you may have gathered from the title of this post, the bit I’m interested in is the ‘fact’ about vampire squid being neither an octopus or a squid. It’s a common enough fact you can find out and about in the edutainment and sci-comm resources and there’s something about the trope of telling people that a name we’ve just told them doesn’t mean what it is commonly assumed to which science communicators love. Whether or not ‘not facts’ help with engagement or learning I remain to be convinced.
Thomas, who surely knows his nidamental glands from his accessory nidamental glands, quoted the tweet stating that vampire squid are in fact octopuses. At this point I got involved too possibly disagreeing with him, although even with 280 characters discussions went around in circles. So. Once and for all. Are vampire squid octopuses, squid or neither and can we change the flipping name in any case? Because like starfish vs sea stars it’s a waste of valuable attention time telling people what something isn’t rather than what it is. Continue reading
Greetings cintanians? Cinctanonians? Tannins? It’s time for the if-I-do-an-update-I-don’t-feel-like-I’ve-been-neglecting-my-own-blog update. It’s been a busy couple of months on all fronts but pretty much all of my writing energy has been sapped by other commitments.
Here’s some of the stuff that I’ve been up to AROUND THE WEB, including some stuff you may have missed here, all handily packed into a blog post, for your viewing pleasure. Continue reading
Museum visitors ask some of the most innocent yet challenging (and also some important) questions . Why do animals have tails? How do you know it is dead? Is it real? Does it fart? Some of these questions, have a difficult and convoluted answer and other questions like “which animals fart?” can never be comprehensively answered even with an army of fart recorders sent out to the oceans, deserts, forests and cities of the world. As a general rule, and if some clever sod hasn’t already coined it, let’s call it the Carnall Rule, the simpler the question about biology, the more difficult it is to answer. I’d also add the qualifier, the more difficult it is to answer in a way that’s understood by most people.
I love thinking about some of these questions and I love asking them too. These big questions cause us to take a step back, do a bit of research and more often than not, question the question. So with this questioning spirit in mind let’s try to answer the simple question (ut oh): How many cephalopod species are there in the UK? Continue reading
Welcome to part two of the driest museum blog series ever, getting into the nitty gritty of how we ‘document’ natural history specimens from start to finish. Last time around we’d set up our spreadsheet and set off to the stores to start recording information and observations about specimens. Unlike works on paper, machinery or archival documents natural history specimens don’t readily come with information embedded, inscribed or machine stamped into them to aid with identifying the who, how, what, where and when associated with specimens. They’re also incredibly inconvenient in that many don’t even have an easy place to write information on so a lot of specimen information is written on labels, on, attached to or otherwise associated with specimens.
Label information is really key to the information management of natural history specimens and alongside other pieces of documentation, provide sometimes, primary, often times secondary information evidence pertaining to what the thing is, how old it is, when and where it was collected as well as the internal museum information such as publications on the specimen, questions over the identity, anatomical labels, marks, scribbles and scrawls. As a golden rule and one I impress upon visiting researchers using the Oxford University Museum of Natural History zoology collections is never trust a label. As we will see in this instalment they can be outdated, inaccurate or just plain wrong.
Interested in museum documentation? Having trouble sleeping? Then read on. Continue reading
Well, it started with a list actually, well before that it started with months of familiarisation with the collections at Oxford University Museum of Natural History.
For those of you who don’t know me, I’m the Collections Manager (Life Collections) at Oxford University Museum of Natural History and I manage the zoological collections (excepting the huge entomology sensu latu collections) and I’ve been in post for nearly two years now. My role at the museum as I see it is to facilitate access and use of the amazing collections at the museum but in order to do this, we need to get a handle on what material is in these collections.
This multi-part series will take you through the process from start to nearly finish, I suspect the pace of these blog posts will outstrip the pace of the work, in documenting the cephalopod collections at the museum. I have taught collections management in the past and (sadly) am very interested in how documentation works but in my work across the sector and wider, when discussing the problems with managing natural history collections, people not familiar with the work will ask “Why don’t you crowd source it” or “Just get volunteers to do it”. I’m afraid in many cases it isn’t that simple so these posts will take us through the whole process which is frustrating and laborious at times but ultimately satisfying when done right. It’ll be cathartic for me and scratch that teaching itch and who knows, it may be of some interest to others at the very least the nerdy museum documenters out there (shout outs to @RussellShepherd and @RegistrarTrek and the #MuseumDocumentation no offense intended).
Series introduced, let’s get on to documenting cephalopods. Continue reading
A new story doing the rounds earlier this week reported on a ‘foolhardy’ dolphin that suffocated whilst trying to eat a giant octopus. You can read the story here at New Scientist. The story is based on a short note paper published in Marine Mammal Science and its one of those nice little papers that describes a rare behaviour to add to the anecdotal record of behaviour between cetaceans and cephalopods. The Marine Mammal Science paper goes into grim detail about how an octopuses arms and suckers can remain active up to an hour after the ‘head has died’ and in this instance the suckers were still firmly to the Indo-Pacific bottlenose dolphin’s larynx, oesophagus and tongue during the autopsy. The story was circulated fairly widely in the ‘science tabloid’ outlets and news websites however all is not as it seems.
Headline from the New Scientist reporting
Many stories lead with the headline about a giant octopus and some sort of judgement of the dolphin involved- greedy, foolhardy- but the reporting of this story is a nice example of when engineering a clickable headline and story is actually a bit misleading. At its worst we called say this was fake news. But this is exactly the kind of example I like to use when teaching students about the difficulties of striving for readability and accuracy as well as the wonderful complication of language especially when it comes to science. So when is a giant octopus not a giant octopus? Read on to find out. Continue reading
Ha ha tricksy title! I mean giant squid as in multiple giant squid, Architeuthis dux not a single giant squid, which would be a very silly question indeed. I’ll explain how I got to this question first as it probably isn’t one that many people have contemplated.
Calamari Moon by Mark Carnall (Own work) CC BY 2.0 but let me know if you do!
I’ve been reading the excellent book- The Search for the Giant Squid by Richard Ellis which gives a comprehensive account of the biology and mythology surrounding giant squid, Architeuthis dux and related species up to 1998. The book covers the earliest accounts of encounters of giant squid; an examination of tall tales about large cephalopod encounters; giant squid in literature and film; and a really nice history of giant squid models in museums. Despite being one of the largest living invertebrates, very little is still known about giant squid including how their arch-enemies, the not-so-small-themselves cetaceans, sperm whales, catch them.
In the dark depths of the ocean how do essentially blind, breath-holding, large sperm whales catch highly manoeuvrable, fast, super-sensed giant squid? How do they catch them with their weird toothed mandible especially considering that giant squid retrieved from sperm whale stomachs don’t have any bite marks? And what does any of this have to do with the Moon? Continue reading