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The Aquatic Dinosaur by AlbinoOctopus The Aquatic Dinosaur by AlbinoOctopus
I thought of this dinosaur when i was thinking about how whales evolved from little forest animals and how now they look so cool and streamlined. And then I thought hey, what would it be like for a dinosaur to be aquatic? :) hope you like him!
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Name: Ocegressusaurus maximus
Time period: Late cretaceous

Name: Ocegressusaurus Maximus
Time period: Late Cretaceous
Origin: North America
Habitat: Shallow seas
Size: 18 m.
Longevity: 80 years or more

Description:
Ocegressusaurus is one of the very few aquatic dinosaurs of the cretaceous, but is by far the largest. This dinosaur, after millions upon millions of years of evolution, has become almost entirely aquatic, spending up to 95% of its life in the ocean and holding its breath for hours on end. The front limbs have become fully functional flippers for steering, as the hands and arms are not necessary for terrestrial locomotion in young. The animals legs however have changed comparatively little. It has webbing between its toes, and the dinosaurs hallux (the first small toe on the foot) has grown to about the size of the rest of the toes, allowing it to have more webbing. The legs have also gotten much smaller, no longer needing to support its massive bulk, and its tail has lengthened and grown much more paddle like, allowing it to propulse itself forward with great speed. One of the reasons the dinosaur has not dis-adapted its feet altogether is that, much like a hippopotamus, it primarily will walk along the bottom in order to save a significant amount of energy. The animal also has an incredible sense of smell, able to smell prey from miles upon miles away. It is one of the top predators in its area, fearing nothing other then another ocegressusaurus, but such a lofty spot on the food chain requires a massive amount of food. These animals are very territorial, and will attack anything that seems a threat, whether it is another ocegressusaurus or other aquatic predator.

Reproduction:
The reproductive cycle of this animal, despite it being huge and majestic, is quirky at best. Because ocegressusaurus is a dinosaur, it lays eggs unlike most aquatic reptiles. A pregnant female, often accompanied by many other females, travel their way to a large uninhabited island far from shore. This is where having legs is a relative convenience. Once they get to the shore, they awkwardly crawl up the beach on their stomach using their flippers and legs, a fairly long process. Once they are far enough from the ocean, they instinctively dig a small hole and lay 5 to 10 eggs, each about the size of a grapefruit. While their terrestrial counterparts are caring parents, staying with the young after birth, the ocegressusaurus cannot afford to be. Due to its massive bulk, the animal can only be on land for a fairly short amount of time (around 8 hours) before their mass begins to ware them out, slowly suffocating them. Once the eggs have been laid, the females quickly sprawl their way back into the ocean, leaving the babies to their fate. After about 3 months, the surviving eggs hatch, generally at nighttime. At this stage of their live the babies have fairly long legs and can walk within minutes. At this point, the nymphs (named after the larvae of dragon flies, which follow an opposite growth cycle of aquatic to terrestrial life) race to find cover where ever possible in order to avoid being eaten by pterosaurs or even older nymphs. The nymphs then live the next four years of their life on the island, living on small prey and scavenging whatever the ocean spits up as they grow. These animals grow in a strange way however, while the rest of their body grows, sometimes up to 2.5 ft a year, the legs grow very slowly, and at about four years the nymphs are forced to crawl on the ground. At the end of four years the babies are 10 ft long, and the surviving nymphs, all crawling by this point, instinctively make their way to the ocean, where they will live most of the rest of their lives.
Add a Comment:
 
:iconhelixdude:
Helixdude Featured By Owner May 3, 2015  Hobbyist Traditional Artist
Very original and interesting implementation of a life cycle usually associated with insects, i like it but could you maybe give the nymph fluffy down?
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:iconbehemothmaker:
BehemothMaker Featured By Owner Feb 14, 2015
That's pretty cool concept and I like the design.
Reply
:iconmiguelsaurio55:
miguelsaurio55 Featured By Owner Feb 17, 2014  Student General Artist
but aquatic dinosaurs already exist!, they are called penguins (:
Reply
:icondynojackal19:
DYnoJackal19 Featured By Owner Dec 20, 2013

*gasp* Its Tyrannomedon! He's back!

Reply
:iconguyverman:
Guyverman Featured By Owner Sep 27, 2013
You should do ca more strictly aquatic version of this animal.

Yes, this creature should've existed.
Reply
:iconmcsaurus:
MCsaurus Featured By Owner Sep 24, 2013
Whoa.

A aquatic dinosaur, really awesome. I think I like it.

Maybe I draw this sometimes.
Reply
:iconbaryminer:
BaryMiner Featured By Owner Jun 5, 2013  Student General Artist
Can I draw this
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Jun 8, 2013
Sure! Just remember to give me credit in the description :)
Reply
:iconbaryminer:
BaryMiner Featured By Owner Jun 9, 2013  Student General Artist
Done: [link]

Vote for who wins.(I know who you are voting for)
Reply
:icondinoboy134:
Dinoboy134 Featured By Owner Jan 27, 2013
Cool
Reply
:iconorionide5:
Orionide5 Featured By Owner Jan 24, 2013
Somewhat of an alternative to the marine crocodiles? Great idea! I made a marine maniraptor once, but it had four flippers and would have had to lay eggs the hard way, like turtles.
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Jan 26, 2013
thank you! a marine maniraptor would be a really cool idea! id love to see it!
Reply
:iconoblivionjunkey94:
OblivionJunkey94 Featured By Owner Dec 8, 2012  Student Traditional Artist
Friggin awesome
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Dec 8, 2012
thanks! :)
Reply
:iconroflo-felorez:
RoFlo-Felorez Featured By Owner Nov 12, 2012  Student Digital Artist
wow good concept, i like it :)
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Nov 16, 2012
thanks! glad you like it! :D
Reply
:iconroflo-felorez:
RoFlo-Felorez Featured By Owner Nov 21, 2012  Student Digital Artist
yw :)
Reply
:iconpalaeorigamipete:
palaeorigamipete Featured By Owner Nov 4, 2012  Hobbyist General Artist
Looks fun, ignoring the fact that any aquatic bird is an aquatic dinosaur... :XD: But that wouls be no fun, i get that... :lol:
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Nov 4, 2012
very true! never really thought of that! :D
Reply
:iconpalaeorigamipete:
palaeorigamipete Featured By Owner Nov 4, 2012  Hobbyist General Artist
;P
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Nov 7, 2012
i guess it could be a dinosaur that couldnt wait to make the transition from bird to then aquatic and skipped it :D
Reply
:iconpalaeorigamipete:
palaeorigamipete Featured By Owner Nov 7, 2012  Hobbyist General Artist
hahahahahaha XD well, maybe you are right! XD
Reply
:iconthemeekwarrior:
TheMeekWarrior Featured By Owner Oct 20, 2012  Hobbyist Digital Artist
Love the design! :dummy: Very cool!
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Oct 21, 2012
thanks! really glad you like it! :D
Reply
:iconthemeekwarrior:
TheMeekWarrior Featured By Owner Oct 21, 2012  Hobbyist Digital Artist
You're welcome! :)
Reply
:icondinodanthetrainman:
dinodanthetrainman Featured By Owner Oct 11, 2012  Hobbyist Digital Artist
nice dino
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Oct 11, 2012
Thanks! glad u like it! :D
Reply
:icondinodanthetrainman:
dinodanthetrainman Featured By Owner Oct 12, 2012  Hobbyist Digital Artist
if other archosaurs and mammals can be aquatic why not dinosaurs
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Oct 12, 2012
exactly! :D you never know what they'll discover next! :) just early this year i thought a large dinosaur being feathery was impossible, and then suddenly, yutyrannus :>
Reply
:icondinodanthetrainman:
dinodanthetrainman Featured By Owner Oct 14, 2012  Hobbyist Digital Artist
on my page I have a partly feathered sauropod
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Oct 14, 2012
oooooo very neat idea! id love to see an animal like that discovered sometime soon! :D
Reply
:icondinodanthetrainman:
dinodanthetrainman Featured By Owner Oct 15, 2012  Hobbyist Digital Artist
thank you
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Oct 15, 2012
you're welcome! :D
Reply
:iconshift1085:
shift1085 Featured By Owner Sep 12, 2012
so...you just make up your own dinosaur species? this is totally awesome! :D
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Sep 12, 2012
yep i did! :D and thanks! :) appreciate it!
Reply
:iconchojinryu750:
ChojinRyu750 Featured By Owner Sep 2, 2012  Hobbyist Writer
FReaking awesome
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Sep 2, 2012
Thanks! really glad you like it! :D
Reply
:iconchojinryu750:
ChojinRyu750 Featured By Owner Sep 3, 2012  Hobbyist Writer
no problem
Reply
:icondancinghippos:
dancinghippos Featured By Owner Sep 2, 2012  Hobbyist Artisan Crafter
cool
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Sep 2, 2012
thanks! :)
Reply
:iconcrazy--wolf333:
Crazy--Wolf333 Featured By Owner Sep 2, 2012
awesome :D really amazing pic and character :3
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Sep 2, 2012
Thanks! happy you like it! :D
Reply
:iconcrazy--wolf333:
Crazy--Wolf333 Featured By Owner Sep 2, 2012
your welcome :3
Reply
:icondragon919:
dragon919 Featured By Owner Sep 2, 2012  Hobbyist General Artist
awesome 8D
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Sep 2, 2012
Thanks! :D
Reply
:icondragon919:
dragon919 Featured By Owner Sep 2, 2012  Hobbyist General Artist
8D
Reply
:iconkingoftheplatypus:
Kingoftheplatypus Featured By Owner Sep 2, 2012
Wow that's really impressive !
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Sep 2, 2012
Thanks alot! :)
Reply
:iconiltassista:
ilTassista Featured By Owner Sep 2, 2012  Professional General Artist
beautiful species!
Reply
:iconalbinooctopus:
AlbinoOctopus Featured By Owner Sep 2, 2012
Glad you like it! :D
Reply
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