COLUMBUS, Ohio – Fish species living in the deep sea feature a surprisingly large range of body shapes that evolved in different ways and at different rates depending on where the fishes live in the ...

Researchers at Northwestern University have identified a single mechanical ratio that dozens of unrelated sea creatures, from jellyfish to squid to bony fish, appear to share when they swim. The ...

The study's findings also reveal an evolutionary trade-off in fish body shapes, where increased maneuverability comes at the cost of hovering efficiency and vice versa. Rather than being a drawback, ...