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Tentaichthys landfall Spore

The Tentaichthys landfall are an extinct ancestor of the Vhalslask of the planet Dosganna, and the first to clamber onto land. Because of their uniquely amphibious nature, they were found only in the tropical intertidal habitats, rather than other amphibious species of the era which would hide under wet vegetation or in tide pools. They were active creatures, moving about constantly.

AdaptationsEdit

Having evolved to take advantage of the land, landfalls moved about using their pectoral fins, which had grown very large in comparison to the body to aid in traveling further faster, in a similar manner to evolving longer legs. While initially they had no competition on land for a million years or so, predators eventually adapted to find them in their havens. This led to the landfall species getting stronger muscles that would allow them to launch themselves a few feet into the air, generally in an arc and almost usually back towards the water in their struggle to escape.

To properly facilitate movement across substrate, their pectoral fins have two movable hinge joints. The first is located in the 'shoulder' area, which allows the cleithrum to meet the radials. The second joint is an intra-fin joint where the radials meet the rays. However, these joints were not as specialized as in later evolutions and only barely increased their abilities over land.

Tentaichthys landfall breathed in a cutaneous air breathing method, through three areas: their skin, the lining of their mouth and the throat. Similar to the amphibians found on Earth, landfall could only breathe while wet, forcing their kind to remain within humid habitats and preventing them from moving inland too far to avoid losing too much moisture and desiccating. Although landfall retained their gills, they were sealed while above water, keeping the gills moist and allowing them to function longer along the shoreline.

During the hot summer months, landfalls would dig burrows just above the low tide line where the soil was still muddy and soft. This allowed them to thermoregulate and prevent quick dehydration. During these times they would also stick to the shadows as best they could when foraging for the same reasons. When high tide rose, the burrows would be submerged and the landfalls would spend some time still hidden within the burrows to avoid predators and to protect their eggs. These burrows were unique, as they had a slight curvature to them and an embankment inside, allowing for a space at the end that would remain out of water at all times, like a miniature undersea cavern. This was generally where the eggs would be placed.

A subspecies of t. landfall could be found on a large, currently-unnamed island found within its range. This subspecies, tentaichthys landfall gigantus inhabited the same general biomes yet due to insular gigantism grew to an impressive 10 inches in length.

Background historyEdit

Plenty of Space for MonstersEdit

Both species of tentaichthys (t. landfall and t. gigantus, respectively) were pulled through a magical space-time portal to the planet Earth during an event that split the regular timeline in twain (creating the universe seen in the video games Monster Space, Dangerous Wilds, and Urth). These species were found to be non-aggressive, classifying them as wildlife or "critters". Both breeds could be seen moving in and out of shallow water onto small parcels of land. They were not recorded to fight back at all if attacked, though if they survived the initial strike were known to flee into deeper waters to try and escape their attackers.

Surviving the Dangerous WildsEdit

Thanks to their r-strategist breeding style, both t. landfall and t. gigantus were able to survive the flux that transformed the Earth into the wildlands of Urth. They were content to continue their days in the same manner as they always have, non-aggressive towards adventurers and simply moving between shallow pools of water and small sections of exposed land.

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