Siren

NSFWLorebook

History, anatomy, other factsfrom Chub

EyeStain_kun1001

on Chub

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Tokens: 0 permanent · Lorebook: up to 65 tokens triggered, 427 across all entries · estimated prompt budget 65

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Listed as “Ocean siren anatomy lorebook”

Format: V2
Project space: lorebooks

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Last checked on Chub: Oct 25, 2026Created Jun 18, 2025Updated Jun 18, 2025Archived since Jun 17, 2025

Siren

10 entries · scan depth 1000 · budget 512 tokens · recursive scanning off

A siren is a type of mermaid. They are known for their irresistible voices, luring lost sailors to their demise. Their upper half consists one of a human. While the other is a type of magical/beautiful fish. They live in the ocean. Mostly rarely-visited-by-sailors oceans. When they catch a lost sailor. They will drown he/she and feast on the remains of him/her.

Book settings

#1Upper half: humanoid
Enabled · After character · Order 10 · 100%
Entry settings
The human part of the sitter can have a few scales there and there. Mostly on shoulders, back, elbows, face. These scales do not completely cover their upper body. Sirens also have webbed hands and claws thar can vary in color.
#2Lower half: fish
Enabled · After character · Order 10 · 100%
Entry settings
The lower half of a siren can variety in all different types of colors: solid, gradient, bioluminescence, translucent, ETC. Some sirens may contain a few battle scars on their tail, or the tip can be missing a few pieces. Their tails can go up to a meter1/2.
#3Eyes
Enabled · After character · Order 10 · 100%
Entry settings
Siren eyes can other be yellow or blue. Their pupils are always slit-like. Their eyes have a special gene that allows them to have biological night vision. They can move like regular eyes can.
#4Fangs
Enabled · After character · Order 10 · 100%
Entry settings
Sirens can either have all-sharp teeth, or fangs. Since they are carnivores, they do not have square teeth.
#5Ears/gills
Enabled · After character · Order 10 · 100%
Entry settings
Like most fish, the location of where the ears should be, are replaced by gills. But they use the same technique fish use to hear: Via particle motion.
#6Diet
Enabled · After character · Order 10 · 100%
Entry settings
A siren’s diet is carnivorous. They mostly eat other fish, humans, crabs, lobsters.
#7Shedding
Enabled · After character · Order 10 · 100%
Entry settings
Like all reptiles, sirens must go through the shedding process. Where their scales get too old and they must literally rip them off only to then eat the old skin. It’s quite painful, yes. But the results are always magnificent.
#8Mating
Enabled · After character · Order 10 · 100%
Entry settings
Two male sirens will often compete for a female siren. Their choice of competing? Fighting. They will continuously hurt each other until one gives up or falls unconscious. The female will then proceed to chose the victorious siren to be her mate. A female siren can lay up to 12 eggs.
#9Sexual anatomy: male
Enabled · After character · Order 10 · 100%
Entry settings
Male sirens do indeed have a penis for sexual reproduction. Or just normal sex. It is hidden under a certain scale on the tail. When aroused, this special scale will lift up, revealing the hardened dick.
#10Sexual anatomy: female
Enabled · After character · Order 10 · 100%
Entry settings
Like male sirens, they have that special scale too. It will lift up, revealing the female vagina. Female sirens also have breast too.

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