r/SpeculativeEvolution 2d ago

Aquatic April Aquatic April Day 3: Star (Octococcis volida)

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61 Upvotes

Day 3: Star

The Supernova Starfish (Octococcis volida) is a species of eight-armed starfish often found in rocky tide pools. They are omnivores, feeding on algae and kelp growing on rocks when no food is available, but hunting snails, barnacles, and other hard-shelled animals when they are around. Unlike most animals, these starfish are almost exclusively found in tide pools, as they find themselves highly susceptible to large aquatic predators, whereas on land they have fewer threats.

Their most striking feature is their tentacle-like appendages coming out of their center. These are sacs that, when the tide begins to lower, are filled with water. They act as an oxygen reserve, but also stand up straight, up to almost a meter tall, scaring away potential predators. This means that, even if the tides leave them with no water source, they can survive for around 4 hours out of water. By this point, they usually find a pool to shelter in, or the tide comes back in. When out of water, they move to areas of higher humidity , which they have adapted to sense. Their sacs also radiate heat effectively, protecting them from dissection and the hot, neotropical sun. The sight of dozens of Supernova Starfish laid out on the rocky beach, with their tentacles sticking up into the air with bright blues is often compared to witnessing an alien invasion.


r/SpeculativeEvolution 2d ago

Aquatic April Feroz #10: Estrella (Aquatic April Day #3: “Star”)

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20 Upvotes

r/SpeculativeEvolution 2d ago

Aquatic April Aquatic April Day 3: Stellaflos chaodis

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15 Upvotes

These crinoids live at the bottom of the ocean, feeding on the marine snow that falls from the waters above. Their holdfast holds them to the seafloor, though it can let go if they need to swim away from danger. It’s not uncommon to find them holding onto the back of Abyssuscorona trilobites due to the safety it’s spines provide as well as the movement of the trilobite. This typically doesn’t harm the adults due to how big they are but juveniles can have their movements and ability to molt hindered by the crinoids’ presence on their back.


r/SpeculativeEvolution 2d ago

Discussion Help with website

5 Upvotes

Hello, I'm new here! I'm finishing a sci-fi/cosmic horror book with lots of speculative evolution and genetic modification. Before publishing the book I want to create a website of some sorts as a wiki/presentation of the project (not the story of the book per se, although the website could have extracts etc.).

The goal of the website is to be captivating by design, but also to contain all the "worldbuilding" facts about the world (multiple planets, actually) including the ones not present in the book. I want to ask for directions for the website: can Google sites be used for this project, or should I use other sites? What's the best solution for all of this?

The problem is that I'm not sure if I want to create a chronological website like Serina or similar. I do not know if the best solution is to actually write something chronological, or write the "present colonies of the Moons" and then add "wiki stuff" and historical parts. I've already researched FOR YEARS the best solution (disclaimer: I've only recently finished the draft of the story), and finally I came across this subreddit that might let me decide a final solution.

So the questions are: What's the best solution for my speculative biology website? And what's the best "site" to use?

Thanks in advance!


r/SpeculativeEvolution 2d ago

Aquatic April Aquatic April 3

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21 Upvotes

r/SpeculativeEvolution 2d ago

Discussion What's Your Proudest Species/Creation

15 Upvotes

I'm new. Hi. I tried posting a while ago but it was removed a few times so this will have to be my formal introduction.
I've just begun my first Spec Evo project, and I wanna hear from you guys what made you the most satisfied. In other words, tell me about some of your animals. Ones that made you the most satisfied.


r/SpeculativeEvolution 2d ago

[OC] Visual Genesisa TheRemake-FirestoneNorman/FirestoneProjects: Dominaters of sidelifd

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25 Upvotes

Now we travel to 14.5 to 9.7 MYA, which is the Thalassogen era were some stuff became larger. We will take place in both formations which is pelagic crown and Theron Meadow. In Pelagic crown, you will see large Floramorphas named Erythluma. Erythluma isn't kelp but similar to it's descendants, it's a plant-like animal similar to Sponges and Coral. Now at the mid-water tier are Abyssocrypta and Zephyrocladus. Zephyrocladus is a true scaventids, which is a family of myriocladids that are known to be true scavengers. a grey Ithryxon is searching for smaller prey. At the bottom tier is the Spathirica and the Cryptorhynchus. Spathirica is genus of flat-shaped antennocladiadaes that are necessary for hiding under rocks. Soon a Gliding Thalorion is on the search for a mate. Thalorion is a genus of true Aquamorphaeonids and is also nicknamed the eagle of the sea due to it's flipper length. Now let's visit Theron Meadow. A omnivorous glispatodus is just sniffing in the water. A green seprocladus is just grading on grass having a good time, same as the brown terracladus. Filter feeding groups of Sericocladus is most common out of the ecosystem. Until soon, a major predator appears, Magnapugnax is the largest pugnacladiadae that can take down smaller temtarapodas such as the Dorspteron. Temtarapodidaes taking over the North while Pugnacladiadae is taking over the south


r/SpeculativeEvolution 2d ago

Ape-ril (Apes of April) Gorilla Sapiens (Day 3)

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30 Upvotes

Will post Day 2 later


r/SpeculativeEvolution 2d ago

[OC] Visual Amfiterra:the World of Wonder (Late Palamcene:395 Million Years PE) The Opposite Soggits

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13 Upvotes

r/SpeculativeEvolution 3d ago

Antarctic Chronicles The geography of Antarctica, 95 million years in teh future - Antarctic Chronicles

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61 Upvotes

r/SpeculativeEvolution 2d ago

Challenge Mushritian Geneology

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6 Upvotes

Mushritus is a planet with the base idea of having Biodiversity x10 larger than the Amazon’s, but coming up with ideas takes time and everyone has ideas. So Mushritus will from now on be a Free Participation project where you can submit new ideas on the Sheet or Inter what a species would look like. Also as this is a Single time period Biograph, Traits can’t contradict with the super group’s traits.


r/SpeculativeEvolution 3d ago

Aquatic April Producer: Chlorolimax anchora [Aquatic April/Day 1]

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35 Upvotes

r/SpeculativeEvolution 3d ago

[non-OC] Visual Caú - Qhracamati, the Cauan T. rex; By: Caetano Soares

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267 Upvotes

r/SpeculativeEvolution 4d ago

[OC] Visual Kineceleran Anatomy Study

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813 Upvotes

r/SpeculativeEvolution 3d ago

Aquatic April [ Aquatic April day 2: Bug] Foam Fairy

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65 Upvotes

r/SpeculativeEvolution 3d ago

[OC] Visual Hallucigeniadactylus Dixonensis, the last of the Ornitocheiridae

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12 Upvotes

r/SpeculativeEvolution 3d ago

[OC] Visual Place Thinkers, Loxodonta Sapiens, from my hard sci-fi setting.

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40 Upvotes

r/SpeculativeEvolution 3d ago

Aquatic April Great Blue Turtlebug

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66 Upvotes

r/SpeculativeEvolution 3d ago

Serina Shamjaws (290 Million Years PE) By Sheather888

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76 Upvotes

r/SpeculativeEvolution 3d ago

Discussion Hey guys, I’m going to start a speculative world, what are you tips for a begginer?

8 Upvotes

I’m a begginer in this area and I’m going to create a world, what are your tips for a begginer? Like mistakes that I need to avoid, something like that


r/SpeculativeEvolution 3d ago

Aquatic April Aquatic April Day 2: Bug (Belostoma jaunis)

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45 Upvotes

Belostoma Jaunis, also known as the Hornet-Waterbug, is a species of beetle found in the seagrass meadows of central and south America. Unlike other species of Waterbug, they live in a saltwater habitat, for which they have adapted a covering around the eyes and thicker skin, as well as less internal air to counteract the higher buoyancy of saltwater. For much of the year, they hunt like regular waterbugs, but instead of small fish and amphibians, they feed largely on snails, though small fish remain a staple of their diet, especially juveniles sheltering in the meadow’s nurseries. However, unlike other waterbugs, they become herbivores for around half the hear, when the meadow’s seagrass begins to bloom. In this time, they eat as much as possible, preparing for child-rearing. In this process they pollinate, as seagrass flowers have adapted specifically to be pollinated by these insects. They get their names both from their yellow-black color scheme, and from their powerful bite, which they often use to scare away large fish while they hunt. It provides a painful bite, though is not dangerous to most animals.

These insects are integral to the meadow food chain, as they spread the pollen of seagrass and increase their reproductive success immensely when compared to broadcast spawning. Males carry the eggs on their backs until they hatch, at which point the children are left to fend for themselves. They often find clumps of floating kelp or driftwood to molt, but here they are very vulnerable to seabirds and crustaceans. They have adapted paddle-like back legs, as well as hooked claws to hold on to seaweed. This allows them to contend with the far higher currents of the ocean when compared to freshwater bodies, both by swimming and by clinging on to stalks of seagrass.


r/SpeculativeEvolution 3d ago

Aquatic April Aquatic April 1

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26 Upvotes

r/SpeculativeEvolution 3d ago

Antares Rivals of War Crocodile dogs Hya'ak (also got a new toy)

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27 Upvotes

Crocodile dogs or Hya'ak in Ritian are a lowland forest predator and scavenger. They're an active and energetic creature sprinting around the forest floor looking for food. They're one of the few creatures that will eat a pavi if they can catch one. The Hya'ak are trained by the Riti as guard and herding animals. They're usually solitary but will form groups optimistically to hunt larger prey like Jarlac and Ageda

Since the screen on my computer broke Ive been unable to draw. I got a new drawing table I was able to knock this out in about 20 minutes


r/SpeculativeEvolution 4d ago

Media [Media: The World Of Kong] The Pinnatono, A Large Flightless Bird From Skull Island by David Meng

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192 Upvotes