Mary's Monday Metazoan: What a lovely smile!

i-d428b2e1168c13f95ce7e638885bf3f3-bathynomus.jpeg
Bathynomus giganteus

(via National Geographic)

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Bathynomus giganteus (Arthropoda: Crustacea: Isopoda: Cirolanidae) You know those cute little roly-poly bugs you found under rocks as a kid? You poke at them and they curl up into a little ball? Well, magnify that times 1000, take away the functional role of the eyes, head to the deep-sea…
Via Akeakamai, I found this gem of a video from JAMSTEC's Shinkai 6500. The video shows several typical scavenging organisms, crabs, eels, and GIANT ISOPODS (Bathynomus giganteus), feeding on what appears to be a sizeable fish (maybe tuna). For scale the isopods are about 9-12 inches in length…
Kevin's wonderful post on the Giant Isopod inspired me to post on a topic I have long pondered. Frequent readers of DSN know that I am fond of Sylvia Earle and the topic of body size. Honestly, it is not just body size is all matter of size related issues. A roadside trip can be quickly…

This one is just... creepy.
And a little fascinating.
But creepy. And fascinating. *nod*

Very alien. :)

Kafkaesque? :)

By cdesignproponentsist (not verified) on 05 Apr 2010 #permalink

Be afraid - be veryslightly afraid!

This is NOT a micro-photograph. On the contrary, this could have been shrunk by a factor of 5!

... maximally reaching a weight and height of approximately 1.7 kilograms (3.7 lb) and 76 centimetres (30 in) respectively ...

(Wiki - I know, but good enough for this)

An example of deep-sea giantism. The land equivalent is the woodlouse(!!)

Looking at that photo, i wonder, could that, just possibly, be the controlling intelligence behind PETA?

By vanharris (not verified) on 05 Apr 2010 #permalink

I was gonna ask how it tastes ...

But I can't get myself to contemplate eating one ...

That's one huge bug - but does it taste like lobster?

By MadScientist (not verified) on 05 Apr 2010 #permalink

Sili @5,

However, in northern Taiwan and other areas, they are common at seaside restaurants, served boiled and bisected with a clean lateral slice. The white meat, similar to crab or lobster in texture, is then easily removed...
Source Wiki

By Fred The Hun (not verified) on 05 Apr 2010 #permalink

I was gonna ask how it tastes ...

But I can't get myself to contemplate eating one ...

Wikipedia says the meat is like lobster or crab and that it is eaten in northern Taiwan at seaside restaurants... Hmmm. I'm going to pick up my cousin (who works for a cruise liner) at a seaside town in Taiwan tomorrow when her ship docks (I live in Taipei). Methinks I just found what we're eating tomorrow.

J.J.E.

By https://me.yah… (not verified) on 05 Apr 2010 #permalink

The Nat Geo link has another pic with this beast being held int wo hands - it's that large. Might not be as good as lobster though - these are a lot less compartmentalized and thus harder to clean.

O.K. - for those gourmet adventurers out there - let me know how this works out dipped in melted butter.

Whoa, 2.5 feet long. It looks like the small bug out of Starship Troopers. Look out Buenos Aires.

Intelligent Design?
Possibly, but I wish He/She/it had spent more time on my knees and lumbar spine.

When I first looked at the photo I thought "How cute! I just want to tickle his little tummy."

Then I read how big he was and decided running away may be a better move.

He is still beautiful in a creepy kind of way, though.

By neon-elf.myope… (not verified) on 05 Apr 2010 #permalink

I, for one, welcome our new massive insect overlords

fucking smug arthropods

I'd lke to wipe that 'lovely smile' right off its chelicerae mandibles. And also off its maxillae. And also off its maxillipeds.

fucking high-hatted arthropods with their fancy-schmancy mouthparts how I hate them

By Sven DiMilo (not verified) on 05 Apr 2010 #permalink

kitty.

By jafafahots (not verified) on 05 Apr 2010 #permalink

Deep-sea isopod - even creepier is watching video of live ones brought up - like a woodlouse in giant slow-motion, but the legs still beat in that oscillating pattern.

By onethird-man (not verified) on 05 Apr 2010 #permalink

ok isopods don't have maxillipeds, but STILL!

By Sven DiMilo (not verified) on 05 Apr 2010 #permalink

In fact, a reasonable translation of "isopod" is "doesn't have any specialization of thoracic appendages" like maxillipeds or claws.

maxillae (head-segment appendages) are bad enough

By Sven DiMilo (not verified) on 05 Apr 2010 #permalink

There are some more images of similar bugs at this site, click on the internal links for more views.

Great Bugs... effectively a meter long (there is good evidence that the biggest ones haven't been collected), carnivorous, and they run in swarms. Of such things are Grade Z sci-fi movies made.

That would shut my neighbor's annoying pit bull up.

This is why I don't eat arthropods. People laugh when I tell them insects and crustaceans are closer cousins than insects and arachnids, but let's see them eat a giant fucking pillbug like you eat a lobster.

Great Bugs... effectively a meter long

That's a bit of a stretch, isn't it?

A wonderful time to link to the Insect Pit Scene in Peter Jackson's King Kong remake.

Gross is not the word.

@ Andyo, and the rest referring to this as a 'bug'. Isopods are crustaceans, just funny looking ones (although compared to barnacles, not THAT funny looking).

/SIWOTI

By InfuriatedSciTeacher (not verified) on 05 Apr 2010 #permalink

People laugh when I tell them insects and crustaceans are closer cousins than insects and arachnids

insects are crustaceans

By Sven DiMilo (not verified) on 05 Apr 2010 #permalink

It's kinda cute in a horrifically terrifying way.

Sven, don't you mean arthropods, not crustaceans?

SciTeacher,

I was referring to the crustacean known as a "pillbug".

Another of those 'nested' phylogenies, then. Thanks, Sven, I hadn't seen that paper yet.

By InfuriatedSciTeacher (not verified) on 05 Apr 2010 #permalink

Well that's even more to my point! Interesting, seems it's rather new stuff.

EEEEEEEEEEK!

whack whack whack whack whack whack

EEEEEEEEEEK!

whack whack whack whack whack whack

Is it dead yet?

Wait, I think I saw a leg move!

(reaches for laser cannon)

By phoenixwoman (not verified) on 05 Apr 2010 #permalink

A friend of mine who is a veterinary surgeon is terrified of water bugs and cockroaches.

I think if she say this she would go insane. She would start hyperventilating for sure.

I think I'll send the link. ;)

By stevieinthecit… (not verified) on 05 Apr 2010 #permalink

Steveinthecity @ 36: See me @ 35.

whack whack whack

By phoenixwoman (not verified) on 05 Apr 2010 #permalink

MadScientist | April 5, 2010 6:57 AM:

That's one huge bug - but does it taste like lobster?

It tastes like cockroach. Which is a lot like lobster, but greasy.

I'd go for the belly.

By jcmartz.myopenid.com (not verified) on 05 Apr 2010 #permalink

I very much like its golden eyes. I wonder why it has those.....

By Planeten Paultje (not verified) on 05 Apr 2010 #permalink