鲟鱼 / Sturgeon

My unusual skeleton helps scientists compare fish branches—your family tree has more twists than a swimming race!
我特别的骨架，帮助科学家比较鱼类支系——你的演化家谱，比游泳赛道还有曲折！

Sources
The sterlet sturgeon genome sequence and the mechanisms of segmental rediploidization
https://www.nature.com/articles/s41559-020-1166-x
Ancient vertebrate dermal armor evolved from trunk neural crest.
https://www.pnas.org/doi/10.1073/pnas.2221120120
Species reference
https://en.wikipedia.org/wiki/Sturgeon

Research context
Sturgeons preserve a distinctive combination of skeletal and developmental traits. Comparing them with other fishes helps reconstruct ray-finned-fish evolution and distinguish shared ancestry from later specialization.