Fertile

Biological species trait

4 points

Biological

LithoidNot at creation

Fertile is a biological species trait in Stellaris 4.5.2 that costs 4 trait points (base cost). It is for Biological and Lithoid species, added later, not at species creation. It gives +20% Pop Growth Speed, -5% Pop Housing Usage and +10% Happiness. Opposite of Slow Breeders, Vat-Grown, Clone Soldier and Clone Soldier Ascendant.

Cost: 4 (base)
At species creation: no
Random species: no
Species: Biological, Lithoid
ID: trait_fertile

What Fertile does

Modifier lines by where they apply, as the game prints them; then the trait's own effect text.

Species

+20%Pop Growth Speed
-5%Pop Housing Usage
+10%Happiness

Opposite traits

A species cannot have this trait together with any of these.

Slow Breeders

Vat-Grown

Clone Soldier

Clone Soldier Ascendant

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).

Can do advanced gene modding
- from
  - When Any of (Without: biogenesis; Tradition: Genetic Traditions)
    - Tradition: Allelic Expression
  - Otherwise
    - Any of

In the game

The natural fecundity and geniality of this species has been dramatically enhanced through aggressive physical and behavioral sculpting.

Fertile: questions

How many trait points does Fertile cost?

Fertile costs 4 trait points (common/traits, Stellaris 4.5.2).

What traits are opposite to Fertile?

Slow Breeders, Vat-Grown, Clone Soldier and Clone Soldier Ascendant: a species cannot have both.

Can I pick Fertile at species creation?

No — it is not offered when a species is created (initial = no); it comes from genetic or robotic modification, events or other effects.

What is the ID of Fertile?

trait_fertile

Source: common/traits/09_ascension_traits.txt, Stellaris Cygnus v4.5.2 (9776).