- Air Breathing FishAnatomy
- Air breathing fish are species capable of absorbing oxygen directly from the air in addition to using gills. Learn more
- Fish GillsAnatomy
- Fish gills are respiratory organs that extract oxygen from water and remove carbon dioxide from the bloodstream. Learn more
- Gill FilamentsAnatomy
- Gill filaments are thin, feathery structures within the gills that allow oxygen exchange between water and blood. Learn more
- Labyrinth OrganAnatomy
- The labyrinth organ is a specialized respiratory organ that allows certain fish to breathe atmospheric oxygen directly from the air. Learn more
- Lateral LineAnatomy
- The lateral line is a sensory system that allows fish to detect vibrations, water movement, and pressure changes around them. Learn more
- OperculumAnatomy
- The operculum is a bony flap that covers and protects a fish’s gills while helping regulate water flow for breathing. Learn more
- Swim BladderAnatomy
- The swim bladder is an internal gas-filled organ that helps fish control buoyancy and maintain stability in the water column. Learn more