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Irridalli by Abiogenisis Irridalli by Abiogenisis

The Irridalli are a successful group of medium-sized predators stalking the upper levels of Chriirah’s tropical oceans. Like many mobile quadrilaterians, evolution has optimised their four-sided body plan into a sleek, secondarily bilaterally symmetrical shape able to move swiftly and efficiently through the ocean.

Possessing some social intelligence, Irridalli travel in loose pods to locate swarms of suitable food, at which time they separate and attempt to drive the prey nearer the surface, thus rendering them easier to capture. Despite this initial co-operation, the actual hunt itself is performed independently of the other pod members, cooperation only resuming when prey needs to be driven towards the surface once again.

While Irridalli are quite fast, many prey species are considerably faster and swimming speed is not their primary weapon: Moving in behind prey, the large eyes fix on a target and when in range two tentacles launch outwards as an elongated and lethally barbed lower jaw attempts to impale it. If the strike is successful, the tentacles rapidly coil around the doomed creature and draw it towards the mouth.

Like most apex predators, the Irridalli suffered major population depletion in the period leading up to, and during, the fall of birrin civilisation. As the birrin recovered, so too Irridalli populations increased in parts of their former ranges as prey species returned. The loss of genetic diversity however has resulted in higher than expected parasite loads in some pods.

Once hunted by the birrin as food, they are now rarely eaten both because they are widely protected, and are so infused with accumulated industrial poisons they are mildly toxic to ingest.

 

 

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:iconmikartturi:
Mikartturi Featured By Owner May 9, 2015  Hobbyist Digital Artist
Looks great!
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:iconspparkie:
SPPARKIE Featured By Owner May 7, 2015   Traditional Artist
wow,that looks very nice
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:iconabiogenisis:
Abiogenisis Featured By Owner May 11, 2015
:)
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:iconryan-bowers:
Ryan-Bowers Featured By Owner Apr 14, 2015  Student Traditional Artist
This gave me a cool idea, a birrin surfing or somkind of surfbord of bodyboard and somthing looking up at it like some kind of shark/squid thing ready to snatch the poor sod, it would be cool to see more fauna from chiirah, maybe some kind of savannah type place....ohhh birrin safari!
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:iconabiogenisis:
Abiogenisis Featured By Owner Apr 15, 2015
I did think about that... But I wonder if the birrin are too delicate for surfing? Might snap :P
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:iconryan-bowers:
Ryan-Bowers Featured By Owner Apr 15, 2015  Student Traditional Artist
Huh really I thought theyde be sturdy little fellas, hollow bones?
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Apr 15, 2015
Not so much weak in that way, but tangle-able limbs, humans have huge chunky legs and good balance. 
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:iconryan-bowers:
Ryan-Bowers Featured By Owner Apr 15, 2015  Student Traditional Artist
Maybe they cling on or somthing 
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:iconabiogenisis:
Abiogenisis Featured By Owner Apr 15, 2015
Might use a wide-board with foot holds.
Reply
:iconryan-bowers:
Ryan-Bowers Featured By Owner Apr 15, 2015  Student Traditional Artist
Yeah my thaughts exactly, maybe they put thair hands and feet through and ware little flipper gloves
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:iconabiogenisis:
Abiogenisis Featured By Owner Apr 24, 2015
I will figure something out ;)
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(1 Reply)
:iconjullezart:
JullezArt Featured By Owner Apr 9, 2015  Professional Digital Artist
cool piece, great art
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Apr 15, 2015
Danke :)
Reply
:iconjullezart:
JullezArt Featured By Owner Apr 16, 2015  Professional Digital Artist
Your welcome  Alex
Reply
:iconjohn-am:
John-AM Featured By Owner Apr 6, 2015  Hobbyist General Artist
I've had this image in my faves for awhile, but haven't commented.
This (along with so many other images in your gallery) is so realistic and aesthetically pleasing. The creatures have such a cool design! Beautiful composition.
Just stunning!
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Apr 7, 2015
I am glad you like it!
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:iconmetalalexthunder:
MetalAlexthunder Featured By Owner Apr 5, 2015
Beautiful :)
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Apr 6, 2015
Thanks :)
Reply
:iconmetalalexthunder:
MetalAlexthunder Featured By Owner Apr 8, 2015
You're welcome :)
Reply
:iconsabergre:
Sabergre Featured By Owner Apr 3, 2015  Hobbyist Digital Artist
Wow, this is really cool!  I didn't know there were other biology nerds on deviantart, especially of this level!
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Apr 6, 2015
I shall rule as a nerd king. Emote king - :emoteking: 
Reply
:iconnuttelaaddict44:
Nuttelaaddict44 Featured By Owner Mar 31, 2015  Hobbyist General Artist
This is amazing, awesome work!
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Apr 1, 2015
Thanks!
Reply
:iconnuttelaaddict44:
Nuttelaaddict44 Featured By Owner Apr 1, 2015  Hobbyist General Artist
You're welcome! 
Reply
:iconlucasdb:
LucasDB Featured By Owner Mar 21, 2015  Hobbyist Traditional Artist
These guys seem pretty lethal, i like their relation to whales on earth, in the sense of their co-operative and intellectual capabilities. Yet they seem to be quite an improvement aesthetically as the irridalli seem to be much more efficient even while leaning towards being independent organisms. I wonder if they are rivalled by anything in the oceans?
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:iconabiogenisis:
Abiogenisis Featured By Owner Mar 31, 2015
Oh there are much faster, deadlier creatures in these seas ;)
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:iconlucasdb:
LucasDB Featured By Owner Mar 31, 2015  Hobbyist Traditional Artist
cant wait to see em!!!!!!:)
Reply
:icongd8909:
Gd8909 Featured By Owner Feb 22, 2015
So weird, and yet so beautiful (and entirely plausible!)
What do you use to make your art, if you don't mind me asking?
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Mar 31, 2015
Its all done in photoshop, with some of the more complex shapes made in simple 3D and painted over.
Reply
:iconidahria:
Idahria Featured By Owner Feb 12, 2015  Student Traditional Artist
Amazing...
Reply
:icontfsakon:
TFSakon Featured By Owner Jan 24, 2015
Quite a graceul design . You can feel how they might have that slow ponderous movement of the large ocean predator.
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:iconabiogenisis:
Abiogenisis Featured By Owner Jan 26, 2015
Ready to strike...
Reply
:icondimeirex:
Dimeirex Featured By Owner Jan 4, 2015
Two questions for your amazingness-
   If you don't mind the Earthly terminology, what taxonomic group does the Basketworm-derived stock correlate to? Is it a phylum, kingdom, etc?
   And second, do any other "stocks" exist on the planet?

Thanks you for producing such fine work. You truly are a diamond in the rough!
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Jan 26, 2015
Definitely lower than kingdom. More like a basal member of the polychaetes on earth, if they went on to become much larger and more complex.

Lots of other stocks exist, just never have time to draw them!
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:iconkevin-robb:
Kevin-Robb Featured By Owner Jan 4, 2015
Excellent work
Reply
:iconsaundersaur:
saundersaur Featured By Owner Dec 26, 2014  Student General Artist
Your art is always a pleasure. Always.
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:iconabiogenisis:
Abiogenisis Featured By Owner Dec 28, 2014
Danke :)
Reply
:iconkinsarda7:
Kinsarda7 Featured By Owner Dec 15, 2014
Love your work! The Birrin and their home world fascinate me! Just wondering, what organism would you compare this to on Earth? Kinda reminded me if Dolphins. Even the way you used "pod".
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:iconabiogenisis:
Abiogenisis Featured By Owner Dec 28, 2014
Humboldt squid I would say.
Reply
:icondinobrian47:
DinoBrian47 Featured By Owner Dec 3, 2014  Hobbyist Traditional Artist
How large would this species be?
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:iconabiogenisis:
Abiogenisis Featured By Owner Dec 9, 2014
Humboldt squid sort of size.
Reply
:icondinobrian47:
DinoBrian47 Featured By Owner Dec 10, 2014  Hobbyist Traditional Artist
So at least 3 meters long?
Reply
:iconhelixdude:
Helixdude Featured By Owner Nov 18, 2014  Hobbyist Traditional Artist
So apparently Birrin civilisation has collapsed at least once in the past, tell me more about that.
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:iconabiogenisis:
Abiogenisis Featured By Owner Nov 28, 2014
The most recent major one was a global warming/resource scarcity induced nuclear war and ecosystem collapse.
Reply
:iconquarkster:
Quarkster Featured By Owner Dec 1, 2014
And this was prior to contact with humanity?

When are you publishing a book for me to buy?
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:iconabiogenisis:
Abiogenisis Featured By Owner Dec 9, 2014
2016 maybe? :P
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:iconabiogenisis:
Abiogenisis Featured By Owner Dec 9, 2014
Hmm maybe 2016 or something?
Reply
:iconworldbuildersinc:
WorldBuildersInc Featured By Owner Nov 4, 2014  Student Traditional Artist
Your work is so cool! I'm an aspiring science-fiction author/artist, and I really look up to these creations to inspire my own. I have decided to embark on a world-build expedition more thorough than I have before. No offense, but a watch would be appreciated!
Reply
:iconsynaesthetic1:
Synaesthetic1 Featured By Owner Oct 27, 2014
Dunno if I have said this before but I have thoroughly enjoyed your concept of a post-fall alien civilisation, and the amount of thought and breadth of how you fill out this world is quite brilliant. arguably gifted. Video game, movie, novel. Adult picture book (Dinotopia meets Brom's work)

go for it. I know, sure, lots of people go into that level of detail. but in this way, nonanthropomorphically plus post-apocalyptic plus develop civilisation? yeah, I have only seen that from you.

GO DO.
Reply
:iconabiogenisis:
Abiogenisis Featured By Owner Oct 29, 2014
Yeah I want to avoid 'Fallout' type worlds, going for what I think might REALLY happen after a fall.
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