Radiotrophic
Biological
LithoidPlantoids Species PackRadiotrophic is a biological species trait in Stellaris 4.5.2 that costs 2 trait points. It is for Biological and Lithoid species and can be picked when a species is created. It gives +10% Tomb World Habitability and +10% Happiness. Opposite of Phototrophic and Voidling.
What Radiotrophic does
Modifier lines by where they apply, as the game prints them; then the trait's own effect text.
- +10%Tomb World Habitability
- planet
- Modifier: Wasteland Radiation
- +10%Happiness
Replaces 50% of Food (or equivalent) Upkeep with 
Energy Credits Upkeep
- This Energy Upkeep is removed for Pops living on Tomb Worlds.
- Pop Growth Speed on Tomb Worlds +10%
- Tomb World Habitability: +10%
Opposite traits
A species cannot have this trait together with any of these.
Phototrophic
VoidlingWho can take it
Species classes: PLANT, FUN, LITHOID, INF
When modification offers it
species_potential_add and species_possible_add: when genetic or robotic modification shows and allows the trait (the wording is ours).
- Any of
- Requires the Gene Tailoring Technology.
- Can add or remove phenotype traits
In the game
This species is sustained by a combination of both food and low-energy radiation, and as such can thrive on the most inhospitable of worlds.
Radiotrophic: questions
How many trait points does Radiotrophic cost?
Radiotrophic costs 2 trait points (common/traits, Stellaris 4.5.2).
What traits are opposite to Radiotrophic?
Phototrophic and Voidling: a species cannot have both.
Can I pick Radiotrophic at species creation?
Yes, for Biological and Lithoid species.
What is the ID of Radiotrophic?
trait_plantoid_radiotrophic
Source: common/traits/04_species_traits.txt, Stellaris Cygnus v4.5.2 (9776).