The hydra are a reptile like, biologically immortal species. Every one to two years a hydra goes through a regeneration process called the Cycle where every single cell in their body dies and then immediately after regenerates. It’s a very painful and slow process since all the cells need to be regenerated in certain order and speed so that the individual will survive the Cycle. The older a hydra is, the longer and thus more painful the process will be. During the Cycle hydra are in a very vulnerable state and thus they usually travel back to their homeworld or a well-fortified starship built for the individuals to go through their Cycle’s in peace.
During the Cycle hydra can regenerate lost limbs, heal scars and cure diseases, but this greatly increases the pain level and the Cycle’s length. Hydra have only a handful of life-threatening diseases, and most of them affect the regeneration process, making it too strong or weak for the hydra to survive. Outwards the Cycle looks similar to amphibian skin shedding; as the skin tissue renegerates it leaves a slimy substance behind, which sheds off after a while. The new skin behind is a dramatically lighter than the old one, but the skin will fully get back it’s shiny black gloss in one or two months.
Hydra are one of the oldest known species and they see themselves as the highest form of all living things. While they might be somewhat arrogant, they’re not opposed to helping other species to evolve with their technology and knowledge. Hydra are territorial but overall not very aggressive so they tend to end up as scholars or diplomats rather than soldiers.
They’re born genderless but with a genetic code for either gender which activates around maturity. While hydra don’t have much sexual dimorphism based on body type, their marking colors are an easy way to tell the males and females apart. Male colors range from violet to light blue, while female’s from red to yellow. Young hydra don’t have markings at all and sometime before maturity the markings appear but are grey.
Both genders have a sexy walk.
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Aka sexy and immortal snake people.
ZBrush + Photoshop + Notepad
360° turntable

Talking about immortal snake/reptiles species, I also created my own race, I call them Hydra-Torrens [link]
Depending on your offer, I would very appreciate to have a 3D model of my creature...
Here's a short text describing my Hydra-Torrens:
Though not immortal, they can live up to a thousand years. They live in symbiosis with micro-organism I called Hydra-Tonnites. The snake can control their movements using his mind. Tonnites are the immunity system of the Torrens: a Hydra-Torren can't live without them. They make sure the host's body is exempted of bacteria and diseases. They can also heal any wounds very quickly.
The Tonnites are vital to his good health but they can be used as weapons. Even from a distance, the Hydra-Torren can control their movements and actions. The micro-organism can harder and became as hard as concrete. They can also became corrosive. The torren can use them to protect himself or something fragile by hardening Hydra-Tonnites on it.
If you like the general idea, Feel free to ask me more about Hydra-torrens. I'm also writing a novel about those.
This is awesome, the contrasting colours and the blue with the orange, it's almost as if there's lava breaking through its skin. It's a beautiful alien
I don't know if I would like to be a hydra. Of course they can heal and regenerate many things but for what prices.
At least you can't get evreything, right?
After all the are looking really cool.