Devils Lake is a 234-acre basin located in northeastern Douglas County near Brandon, Minnesota. The lake has a maximum depth of 35.0 feet and estimated average depth of 12.0 feet. Devils Lake is connected to Big Chippewa and Little Chippewa lakes by non-navigable channels. One public access is located on the northern shoreline of Devils Lake just off Devils Lake Road.
A standardized fish community assessment was completed on Devils Lake, July 27-30, 2015. A combination of six gill nets and nine trap nets were used. An electrofishing survey was also completed in early May to sample the Largemouth Bass population.
Walleyes proved to be moderately abundant. The gill net catch rate of 4.8-fish/net was lower than some prior surveys but is within expectations for lakes similar to Devils Lake. Walleye captures averaged 14.7 inches. The largest capture measured 26.4 inches. Walleyes grow well in Devils Lake and in response, 50% of Walleyes exceeded 15.0 inches in length. Twelve percent of Walleyes exceeded 20.0 inches.
Northern Pike continue to be abundant. Gill net catches averaged 8.3-fish/net. Most gill net captures (80%) were less than 21.0 inches in length. The lake does support a few larger pike. The largest pike measured 32.5 inches. Anglers are encouraged to harvest surplus small pike to improve growth rates and size of Northern Pike and increase survival of stocked Walleyes.
A single trip around the 3.2-mile shoreline with the electrofishing boat resulted in the capture of 99 Largemouth Bass. Length at capture ranged from 5.0 to 19.1 inches, with average length being 12.3 inches. Approximately 20% of bass collected exceeded 15.0 inches.
Panfish populations proved reasonably healthy. Bluegill catches averaged 22.0-fish/trap net, which exceeds the median catch rate for similar lakes. Bluegills grow well in Devils Lake and nearly 50% of all Bluegill captures exceeded 6.0 inches. The largest Bluegill caught during the survey measured 8.7 inches. Black Crappie catches were limited. Trap net and gill net catches averaged only 1.0-fish/net. The low catch rate was consistent with preceding survey findings and was anticipated in late-summer surveys where crappies are difficult to sample. Age distribution of Black Crappie captures extended to age 6. Due to the presence of older fish in the population, over 25% of captures exceeded 10.0 inches in length. Devils Lake does not support a Yellow Perch fishery. No Yellow Perch have been captured in the last two surveys.
Yellow Bullheads are moderately abundant and the population can support quality fishing. Those bullheads captured in trap nets averaged 11.0 inches in length and 0.75 pounds.
- Zebra Mussel
Recreational activities such as recreational boating, angling, waterfowl hunting, and diving may spread aquatic invasive species. Some aquatic invasive species can attach to boats, while others can become tangled on propellers, anchor lines, or boat trailers. Many species can survive in bilge water, ballast tanks, and motors or may hide in dirt or sand that clings to nets, buckets, anchors, and waders. Fortunately, completing simple steps can prevent the transport of aquatic invasive species.