Squid beaks from whale stomachs

Steve O'Shea

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Hi all. Tintenfisch and I have just returned from a talk we gave on giant squid, giant octopus and other mysterious denizens of the deep, up country a bit. Whilst at the venue someone from the NZ Department of Conservation gave us a chilli bin of squid beaks (at least a thousand beaks) recently extracted (during autopsy) from the stomach of a stranded sperm whale (of length 13m, or ~ 40 feet). Therein were several (2 at least) giant squid beaks, and at least 4 (we haven't really looked at them in detail yet to give precise counts, and they still smell seriously evil and are covered in parasitic worms) of those belonging to Mesonychoteuthis hamiltoni. Those of Mesonychoteuthis just leave those of Architeuthis for dead in the seriously evil stakes - they're considerably larger and CONSIDERABLY THICKER - almost capable of doing the 'cutting through cable' trick that you'll sometimes read about (with respect to Architeuthis).

In the months to come we'll try and describe a few of these beaks online for you (as a small project), as we try and reconstruct what species this whale had been eating, and where it had been eating them; it is really quite interesting stuff!! We also have the stomach contents of three pygmy sperm whales (Kogia) to examine, so the comparison might be of interest to people here.

Mesonychoteuthis is an Antarctic squid species (none is known from New Zealand waters, or at least none is represented in collections from NZ waters), so the sperm whale, stranding in subtropical waters, was likely feeding quite a bit south of New Zealand. I don't know the cause of death of the sperm whale, whether sick or disoriented, but will let you know as soon we find out.
Steve & Tintenfisch
 
Phil said:
It looks more like a Messie beak to me.
Yup, that's what I thought, too. The attachment points for the buccal muscles are seriously large. The scientist who collected it might not have been familiar with Mesonychoteuthis.

I'd really like a resin casting of a Messie beak. Wouldn't you?

Clem
 
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can't believe I didn't bring my clarke out to university with me. What was I thinking? I would definitely third the non-Archie agreement, though some expert opinions might be well appreciated....hmm?

Cheers!
 
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