Anglerfish

Tier 6 fish

Verified against 0.221.12, source: jotunn_docs, kirilloid.

Anglerfish statistics
Prefab	Fish9
Item Type	Fish
Category	fish
Progression tier	6
Stack Size	10

Also at this point

Bile Bomb

Bilebag

Black Core

Black Marble

Black Metal Missile

Blood Clot