Rays
This reading profile brings together 5 source-linked articles that reference rays.
Explore Fauna’s source-checked field guides and research articles covering rays, or search the species catalog below for individual species profiles.Source-linked reading
- Field guideHow animals detect magnetic fieldsExperiments support sensitivity to field direction, inclination, or intensity in multiple taxa; radical-pair chemistry, magnetic particles, and electromagnetic induction are leading mechanism classes, not one confirmed universal sensor.
- Field guideHow sea stars regrow armsSea-star regeneration is slow coordinated reconstruction, not a detached limb simply stretching back. Wound closure is followed by cell migration, proliferation, patterning, and the rebuilding of several integrated organ systems.
- Field guideHow electric fish generate signalsElectric fishes organize specialized electrocytes into electric organs. Neural commands make many cells change voltage together, and their summed outputs form either powerful discharges or continuous weak fields rich in sensory information.
- Field guideHow fish breathe with gillsGills pair a large, delicate exchange surface with controlled flows of water and blood. Closely spaced lamellae shorten diffusion distance, while opposing flows can preserve an oxygen gradient across much of the surface.
- Field guideHow reptiles regulate body temperatureMost reptiles obtain much of their heat from the environment, but that does not make their temperature passive. By moving among thermal patches and changing posture, orientation, and activity time, an animal can make its body warmer or cooler than the surrounding air.