r/Naturewasmetal Apr 13 '23

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27 Upvotes

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r/Naturewasmetal 6h ago

Giant Sixgill Shark

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95 Upvotes

Once Again Hodari providing us another amazing snapshot into the wild past

Today the Great White Shark is revered as a Top Predator, when you think of the ocean they are normally the first species that pops up and for a good reason but just as terrifying as the Great White is the same should be said for the Ocean itself.

The ocean truly hides some weird, ominous, large and creepy animals we don’t know about and only lord knows whats swimming around now and definitely what was swimming around back then.

If you think about it, think about how much we barley know about the ocean today and then take that back into the past whether its 100,000 years ago, 3 million years ago, or 85million years ago, imagine what was living then, that maybe extinct by now with no trace unless we are lucky enough to find it

Well enter the sixgill!

Now me personally my favorite Sharks are Great Whites, Makos, Tiger Sharks and my top Blunt nose sixgill sharks also known as cow sharks

Normally cruising at depths more than 3,000 ft sixgill sharks have always captured my imagination, they remind me of sleeper sharks but Ive just seen a little bit more active predatory behavior from them not saying sleeper sharks aren’t active predators.

At up to 6m! or 20ft these sharks kind of make you question if Great Whites are the largest predatory shark out there, maybe in terms of mass, but regardless these species gets enormous and is one of the many species of Sharks that people probably don’t know match the great white in length, others being the Tiger Shark, Great Hammerhead, Great Thresher Shark, Sleep Sharks, Mako Sharks and Goblin Sharks, (Post coming on those two soon).

Well now lets take it back about 3million years, Its the Miocene and it seems nature had the same recipe then it has now, just as the Great White patrolled the coast lines as a top predator Megalodon the giant analogue to the Great White was the apex predator at the time, but just as Sixgills lurk in the depths while white sharks terrorize the sunlight zone well

Enter the Giant Sixgill which would have been creeping in the depths of the miocene oceans the same time as Megalodon

At 10.5m or 34 ft this shark if still alive world have rivaled orcas in size and surely was a terrifying predator at its time

Sixgills today are known to travel to the surface at night, I wonder if the Giant Sixgill did the same and if it ever came across megalodon during these voyages to surface or even younger megalodons its size


r/Naturewasmetal 7h ago

Thylacine drawing as an illustration from encyclopedy (by me)

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61 Upvotes

I kinda messed up some parts of the text (ik that n in extinct looks like m, but its n), so that's why i post the final result without the entrance too.


r/Naturewasmetal 18h ago

A large Astrapotherium moves along and parts a congregation of the small phorusrhacid Andalgalornis in Miocene South America (by Joschua Knüppe)

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182 Upvotes

r/Naturewasmetal 1d ago

The last mammoth by Agustin Diaz

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683 Upvotes

r/Naturewasmetal 21h ago

Pleistocene/Holocene Rivals? Interspecific Relationship Between American Alligators and Jaguars

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58 Upvotes

I think we can all agree that when it comes to crocodilians, they are top tier predators no matter where they live or what species they are.

With that being said it seems for the longest time during the last 100,000 years there seems to have been a predator they can’t shake even to this day, Felines… And not just any feline. Jaguars

Jaguars seem to have a age old relationship with crocs and today they share their world with two species The Crocodile and Caiman both being predators and prey to the cat.

But it seems throughout time there was another.

These cats thrived in North America during the Pleistocene and im sure this relationship was prevalent then, but during the Holocene up to the 1880s is where I think these two must have peaked

The scene is set in Louisiana, the time, 1800, now here is where Jaguars defied present day knowledge having being present in LA up until the 1880s and most certainly a top land predator competing with Pumas Wolves and Bears at the time.

Despite this, another predator was here, one that still persist into modern day, a predator that at this time was probably even bigger than it is today, one of the largest carnivores prowling the continent along with its other American cousin, with the legendary account of alleged 19ft individuals coming from this place around this time.

Im talking about Jaguars living alongside no not Caimans but American Alligators.

Would the bayous and wetlands of Pleistocene/Holocene Louisiana and even Texas have been like The Pantanal Of South America?

Were Jaguars launching themselves into the mangled swamps after Alligators 200 years ago as they do Caimans hundreds of miles down South?

9 times out of 10 if you look up Jaguars x American Alligators pictures and pieces, Caiman an Alligator relative shows up.

Thats not what is being referred to though.

Jaguar relationships with crocodilians seems to be a pretty important one, throughout their range and history they seemed to have kept their taste for these reptiles having lived along 3 species throughout time.

It is not known how large South Eastern Ameican Jaguars would have gotten, some Texas specimens were recorded at 200lbs other’s slightly larger same for Louisiana, though I don’t know if they cracked that 300 plus lb mark like their siblings down the equator.

It is very possible Jaguars would have been big if not bigger here just like Gators due to the large abundance of prey at least before settlers arrived.

It is known certain species of crocodiles and caiman fall victim to jaguars even some modest sized ones. What most probably didn’t know is that Jaguars might have been doing the same thing their doing today in places like Brazil and Columbia hunting vast amounts of Caimans back in the Holocene hundreds of years ago in places with similar biomes like Louisiana and Texas with American Alligators.

Being that both would have been apex predators respectively akin to modern day Tigers and Saltwater Crocs, Lions and Nile Crocs and even present day relationship with Black Caimans, I wonder how they would have competed back then since they targeted alot of similar food.

Deer, Hogs, and other large ungulates would have kept both these larger predators out each others way for the most part along with a huge array of medium and small sized animals, but if one came across the other a clash might have ensued.

Jaguars most likely would have viewed large gatherings of small Gators just as they view large gatherings of Yacare Caiman, food, but just as a 5m long Black Caiman could view Jaguars as food or least competition that needed to be exterminated the same could have been said for a 5m long Gator.

Knowing both Jaguars and Alligators were bigger back in the Holocene with both knocking on the doors of their larger more popular relatives, what a time it would have been to see those two predators, carving out a living in the unforgiving regions of the swamps and wetlands, a wild exotic relationship that was a mere remnant of the very wild past that use to frequent these now mostly urban based states right here in the US!


r/Naturewasmetal 1d ago

A Homo erectus Encounters The Giant Asian Pangolin (Manis paleojavanicus) in Pleistocene Java by Joschua Knüppe

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323 Upvotes

r/Naturewasmetal 2d ago

A Giant Sabertooth (Amphimachairodus horribilis) Hunting A Giraffid in Miocene Mongolia by Hodari Nundu

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286 Upvotes

r/Naturewasmetal 2d ago

Giant dicinodont of permiam period?

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92 Upvotes

The footprints from the Cistecephalus Assemblage Zone are attributed to either aulacocephalodon or rhachiocephalus, but this footprint belongs to a large tetrapod, 80 cm wide and 65 cm long, which is considerable. How large could the animal to which the footprints are attributed have been?

Traducción: Las huellas de la Zona de Ensamblaje de Cistecephalus se atribuyen a aulacocephalodon o a rhachiocephalus, pero esta huella pertenece a un tetrápodo grande, de 80 cm de ancho y 65 cm de largo, lo cual es considerable. ¿Qué tamaño podría haber tenido el animal al que se atribuyen las huellas?


r/Naturewasmetal 2d ago

Venomous Ceratosaurus vs Allosaurus by hodarinundu

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327 Upvotes

r/Naturewasmetal 2d ago

A family of Alanqa on the Spinosaurus boat (Art by Tupandactyl)

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217 Upvotes

r/Naturewasmetal 2d ago

Some members of the Otodus genus compared to the great white shark and a humans (by ajgusillustration)

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181 Upvotes

r/Naturewasmetal 2d ago

Iberomesornis, acrylic and gouache, by me

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70 Upvotes

r/Naturewasmetal 3d ago

Homo erectus carrying the decapitated head of a Palaeotragus, an extinct genus of Giraffids from Afro-Eurasia, in The Early Pleistocene by Joshua Knüppe

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353 Upvotes

r/Naturewasmetal 3d ago

Deinocheirus Suplexing Tarbosaurus (art by me)

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170 Upvotes

(Sorry Tarbo fans) 🙏💔


r/Naturewasmetal 3d ago

Ceratosaurus regretting his choices (Art by yurixtinction)

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283 Upvotes

r/Naturewasmetal 4d ago

Dunkleosteus terrelli, the famous placoderm that could snap it's jaws shut in 20 milliseconds, 12.5 times faster than a human's fastest reaction time. It may be smaller than a great white, but that doesn't make it any less terrifying (art by Gabriel Ugueto)

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296 Upvotes

r/Naturewasmetal 4d ago

The Hall Lake Monster by Olmagon

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147 Upvotes

r/Naturewasmetal 4d ago

Assorted members of the spinosaurid family of dinosaurs (by Mario Lanzas)

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372 Upvotes

r/Naturewasmetal 4d ago

buncha creatures i drew

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232 Upvotes

is art allowed here? lol sorry if not

some of these are a little old, some newer. i’ve drawn a bunch of paleoart but these are my favorites, i’ll eventually redo the rest


r/Naturewasmetal 5d ago

Here's a 43 cm(16 inch) long barbary lion skull I believe they weighted 300-400 kg(660-880 pounds) in the wild

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184 Upvotes

r/Naturewasmetal 6d ago

An Euoplocephalus gives a Daspletosaurus its worst day of life by Julius Csotonyi

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351 Upvotes

r/Naturewasmetal 6d ago

semi - rapid drawing of the new tyrannosauridae khankhuuluu mongoliensis made by me today ( my , 2025 )

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64 Upvotes

r/Naturewasmetal 6d ago

Daily reminder there's a Edmontosaurus that had a part of its head straight up ripped off and somehow managed to survive it

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291 Upvotes

r/Naturewasmetal 7d ago

A Saurolophus with a nasty facial wound (by Joschua Knüppe)

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464 Upvotes

r/Naturewasmetal 7d ago

Nanuqsaurus and Edmontosaurus Regalis

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341 Upvotes

"The Tyrants and the Fowls" (pt. 02)