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The swim bladder, gas bladder, fish maw, or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish [1]) to control their buoyancy, and thus to stay at their current water depth without having to expend energy in swimming. [2] Also, the dorsal position of the swim bladder means ...
Swim bladder disease, also called swim bladder disorder or flipover, is a common ailment in aquarium fish. The swim bladder is an internal gas-filled organ that contributes to the ability of a fish to control its buoyancy , and thus to stay at the current water depth without having to waste energy in swimming. [ 1 ]
Weberian apparatus and air-bladder of a carp. The Weberian apparatus is an anatomical structure that connects the swim bladder to the auditory system in fishes belonging to the superorder Ostariophysi. When it is fully developed in adult fish, the elements of the apparatus are sometimes collectively referred to as the Weberian ossicles or Weber ...
Pterophyllum is a small genus of freshwater fish from the family Cichlidae known to most aquarists as angelfish. All Pterophyllum species originate from the Amazon Basin, Orinoco Basin and various rivers in the Guiana Shield in tropical South America. The three species of Pterophyllum are unusually shaped for cichlids being greatly laterally ...
Teleost. Teleostei (/ ˌtɛliˈɒstiaɪ /; Greek teleios "complete" + osteon "bone"), members of which are known as teleosts (/ ˈtɛliɒsts, ˈtiːli -/), [ 4 ] is, by far, the largest infraclass in the class Actinopterygii, the ray-finned fishes, [ a ] and contains 96% of all extant species of fish. Teleosts are arranged into about 40 orders ...
In bony fish, the swim bladder is an internal, gas-filled chamber, an organ that likely evolved to help fish control their buoyancy and stay at their preferred water depth. In P. delhezi, the swim bladder also functions as a type of lung. The swim bladder is divided into 2 parts, of which the right hand section is considerably larger.
Parodontidae. Prochilodontidae. Serrasalmidae. Tarumaniidae. Triportheidae. Characiformes / ˈkærəsɪfɔːrmiːz / is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras. [1]
The swim bladders of large numbers of mesopelagic fishes cause sonar waves to be reflected in a recognisable layer. The deep scattering layer, sometimes referred to as the sound scattering layer, is a layer in the ocean consisting of a variety of marine animals. It was discovered through the use of sonar, as ships found a layer that scattered ...