Artificial reefs are intentionally placed man-made structures that are constructed to provide habitat for fish and invertebrates. They are made of dense, durable materials such as scuttled ships and barges, decommissioned military vehicles, rubble...
Arctic grayling (Thymallus arcticus; Figure 1), with their distinctive sail-like dorsal fins, are members of the salmon family and have a native range that begins in Arctic Ocean drainage basins and formerly extended as...
When ecologists need to assess stream habitat to make sure it is healthy for a fish population, they often choose to quantify rather than qualify the characteristics of the habitat. Both quantitative and qualitative...
To effectively conserve freshwater fishes, conservationists need information on what types of habitats a given fish species requires. Freshwater migratory species are unique compared to non-migratory fishes because they require access to two or...
The American Fisheries Society Annual Meeting is coming up next week! In anticipation of the event, we have collected some details and tips that will be helpful for getting the most out of your...
Welcome to the second part of our Safety in the Field series! In this post you will find tips for staying safe and responding to sun and heat related hazards. Consider sharing these posts...
Lake Sturgeon are considered a species of conservation concern in most waterbodies in North America due to habitat degradation, poor water quality, barriers to migration, and harvesting of both adults and eggs. These charismatic...
Across the country, we are slowly transitioning from winter into spring and many groups are preparing for a season of fieldwork. While it is more exciting to think about all of the data to...
Ever see a fish climb a waterfall? In Hawaii, it’s the course of business for most native freshwater fishes. I know when I think of fish habitat in Hawaii, I visualize snorkeling in crystal...
*This post was edited on 8 March 2018. The original text inaccurately stated that some clam gardens have been identified to be as old as 5,000 years. The current oldest published date is around...
