Image: Oliver Cardona |
What we need is armour. Full body armour. Woven from titanium, poison and vengeance.
Image: Bernard DUPONT |
They'll never expect THAT!
Image: Hans Hillewaert Dromia personata |
They are incredibly bulky as crabs go. Their bodies are almost spherical in shape and their limbs are immensely thick and chunky. They look like they've been carved out of solid rock by someone who isn't actually all that good at carving things out of solid rock.
Some of them appear to be just a little bit fuzzy all over...
Image: Peter Southwood Shaggy Sponge Crab (Dromidia hirsutissima) |
Image: Invertzoo Moreiradromia antillensis |
While the Sleepy Sponge Crab is the largest at some 20 cm (8 in) across. However big they are, you can see them striding about the place on four, thick legs as they sport their strange, sponge head dress.
Wait a minute... four legs? FOUR? Crabs are supposed to have eight!
Are we too late? Has the soft, fluffy hat failed them and even now their legs are being gnawed upon by some... some... nightmare creature of nightmarish nightmare?
Sorry, but I'm lost for words (aside from the word 'nightmare'). I just can't imagine what manner of hellish death-beast would be unfazed by such a soft, fluffy hat. Unless... a hell-beast... with an even softer, fluffier hat?
IT CANNOT BE.
Image: Ria Tan See the little legs clinging on to the sponge? |
Sponges are those strange, barely-animals that exist as a colony of cells squished onto rocks or moulded into various, towering shapes. Sponge Crabs simply walk over to them and cut a chunk off. Then they use their pincers to nip and tuck it into shape so that it'll fit the contours of their carapace nicely.
Image: mathieustewart Dromidiopsis edwardsi |
It sounds quite bad for the sponge. Most of us wouldn't like to have bits and pieces of our body ripped off by a crab. But sponges can bear far worse, and they happily continue feeding and growing right there on the crab's back. This can blossom into a long-lasting relationship as both the sponge and the crab grow up together, with the crab performing the odd bit of pruning now and again to keep things under control.
Image: selbst Hermodice carunculata uses provocatively coloured pincers to tackle a Bearded Fireworm |
Still, who would say no to a living hat that squirts out toxins when it's frightened? If nothing else, it sounds like a great way to collect anecdotes to share with any surviving friends and acquaintances.
Video: mauiprowler
This infuriated Sponge Crab lacks a sponge so you get to see those strange hind legs
One really cool thing about some Sponge Crabs is that they occasionally go mad for some reason. They not only look like angry golems, they behave like them too. They give unrelenting chase to divers and who knows what else, swiping and nipping with their claws. It's as if some guy carved them out of solid rock, animated them with dark magicks and commanded them to patrol the ocean floor and defend buried treasures from prying eyes.
Maybe I played one too many computer games that featured golems, but this sounds convincing to me...
Image: mathieustewart |
11 comments:
hilarious little guys! wearing shower caps!
We see a fair amount of this kind of "innovative" behavior among arthropods but it's almost unheard of when it comes to vertebrates (except for humans). That the Sponge Crab grips its hat with its legs seems to imply some level of "intent," and that implies that the crabs were trying to wear disguises even before their legs had evolved to assist.
So I guess my question is... Whaddup with that?
That has to be the angriest little crab I ever did see. Even it's face looks like it's out for my blood!
I want one
I shall name him Tippy, the grumpy crab.
sponges are invincible and scary
This is what I do in the shower.
Since I've never been attacked in the shower, I suppose this is a very effective strategy.
@TexWisGirl: Haha!
@Crunchy: Well, there are the decorator crabs that just stick stuff to their legs. I guess hermit crabs are odd too since they also lost so much of the armour plating that the snail shell replaces.
I wonder how many innovations are going on right now that future species will increasingly evolve into physically. It might be a lot more common than you suspect!
That kind of thing is an interesting subject. I'm still fully expecting Desert Woodlice to become a eusocial species of termite-like terrestrial crustacean at some point in the future!
@Esther: I know! What do they have to be so furious about?
@Lear's Fool: I think a name like that might just make him... angry!
@Porakiya Draekojin: Haha! It's already on legs. What we need now is flying sponges!
@Erik Sanderson: Exactly. That would've have been a very different scene in Psycho if only she tried to keep her hair dry!
Maybe future generations of humans will grow an organic smart phone. They'll be called Homo Nokia, and their octopus overlords will remove their phone organ as a way to keep them from rising up with their freakishly rigid skeletons.
That sounds like an incredible movie which future generations would look back on and marvel at its astonishing prescience.
Are they edible? Looks meaty :)
Are they edible? Looks meaty :)
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