{"thcode":2,"term":{"code":387,"name":"fish","parent":1269,"scope":"Cold-blooded aquatic vertebrates with fins for swimming, gills for breathing, and usually scales."},"uf":[{"name":"anadromous fish","usewith":{"code":744,"name":"migratory species","parent":841,"scope":"Species that have a pattern of moving from one geographical area to another, primarily according to the seasons, and usually traveling long distances along established routes."}},{"name":"diadromous fish","usewith":{"code":744,"name":"migratory species","parent":841,"scope":"Species that have a pattern of moving from one geographical area to another, primarily according to the seasons, and usually traveling long distances along established routes."}},{"name":"fish inventories","usewith":{"code":379,"name":"field sampling","parent":376,"scope":"Collecting pieces or specimens or making measurements or observations at determined intervals or areas.  Results may be used as representative of the whole research area or population."}},{"name":"fishes","usewith":false}],"bt":[{"code":1269,"name":"vertebrates","parent":45,"scope":"Animals possessing a vertebral column or backbone including birds, fishes, amphibians, reptiles, and mammals."},{"code":45,"name":"animals","parent":843,"scope":"Multi-celled organisms of the kingdom Animalia with eukaryotic cells (cells with distinct nuclei containing genetic material and bounded by thin membranes) that are heterotrophic (obtaining energy from organic substances produced by other organisms)."},{"code":843,"name":"organisms","parent":1174,"scope":"Living individuals that grow, reproduce, and die."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":570,"name":"ichthyology","parent":1268,"scope":"Branch of zoology concerned with the study of fish."}]}