Mud Scale specimen photograph
EndangeredLutosaura

Pisces squamosus

Mud Scale

Discovery LocationAmazon River Delta
Lead ResearcherProfessor Kenji Tanaka

Field Report Summary

Physical Description

A large, freshwater fish with a body shape similar to a carp. Instead of smooth scales, it is covered in overlapping, bony plates like an armadillo. These scales are a dark brown color, providing camouflage in murky water. It has small, barbels around its mouth and large, expressive eyes. Its fins are thick and fleshy. The tail is powerful and used for propulsion. The gill slits are visible, but covered partially by smaller scales. The overall texture is rough and uneven.

Habitat

Slow-moving rivers and muddy lakes.

Dietary Behavior

Consumes detritus, algae, and small invertebrates found in the muddy riverbed.

Evolutionary Origin

A relict species from a period of rapid amphibian-reptile hybridization caused by ancient viral contamination in the water system.

Behavioral Notes

Exhibits a symbiotic relationship with a species of bioluminescent bacteria, using it for camouflage.

Citation: Professor Kenji Tanaka. Field observations of Pisces squamosus (Mud Scale).The Index of Fictitious Fauna, Ainamals Research Institute.