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WebExcretory organs. The primary excretory organ in fishes, as in other vertebrates, is the kidney.In fishes some excretion also takes place in the digestive tract, skin, and … WebDie Fischphysiologie ist die wissenschaftliche Untersuchung des Zusammenwirkens der Bestandteile von Fischen im lebenden Fisch. [2] Es kann mit der Fischanatomie … Fish physiology is the scientific study of how the component parts of fish function together in the living fish. It can be contrasted with fish anatomy, which is the study of the form or morphology of fishes. In practice, fish anatomy and physiology complement each other, the former dealing with the … See more Most fish exchange gases using gills on either side of the pharynx (throat). Gills are tissues which consist of threadlike structures called filaments. These filaments have many functions and "are involved in ion and water … See more Regulation of social behaviour Oxytocin is a group of neuropeptides found in most vertebrates. One form of oxytocin functions as a hormone which is associated with human love. In … See more Two major types of osmoregulation are osmoconformers and osmoregulators. Osmoconformers match their body osmolarity to their environment actively or passively. Most … See more Fish swim by contracting longitudinal red muscle and obliquely oriented white muscles. The red muscle is aerobic and needs oxygen … See more The circulatory systems of all vertebrates are closed, just as in humans. Still, the systems of fish, amphibians, reptiles, and birds show … See more Jaws allow fish to eat a wide variety of food, including plants and other organisms. Fish ingest food through the mouth and break it down in the esophagus. In the stomach, food is further digested and, in many fish, processed in finger-shaped pouches … See more Homeothermy and poikilothermy refer to how stable an organism's temperature is. Most endothermic organisms are homeothermic, like mammals. However, animals with facultative endothermy are often poikilothermic, meaning their temperature can … See more crypto enforcement actions