Abstract: The Antillean manatee (Trichechus manatus manatus, hereafter manatee), inhabiting Puerto Rico’s coastal waters, is a subspecies of the endangered West Indian manatee (Federal Register, July 22, 1985. Vol. 50(140):29900-29909). Habitat...
Fisheries management; Fishes; Rivers and streams; Tropical environments;
This document serves as the Final Report for research on Puerto Rico stream fishes and their habitat funded by the Puerto Rico Department of Natural and Environmental Resources, in the form of a grant to the North Carolina Cooperative Fish and...
Kevin Duffy, a fisheries technician for dam owner Avista, uses a radio antenna to track tagged bull trout in a stream that feeds into Noxon Reservoir. Biologists track a handful of tagged fish daily to try and learn about their migratory movements,...
"In New England, the specific job is to spread consumption more uniformly over the nearly 80 species of fish and shellfish that are brought, into local ports each year. Production records 'of the fishing industry show a serious lack of...
Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Threatened species; Monitoring;
Brian Davis measures a steelhead before it gets tagged. It must be more than 75 millimeters long to get tagged. Biologists use this tracking information to see if the hatchery fish that are spawning here are affecting the survival and productivity...
Oral history interview with Cigar Daisey with Dave Hall as interviewer. [On page 5, two additional men arrive and join conversation. They are not identified. I have called them MAN who sounds older, and MAN 2, who sounds younger. They are from...