1990) In advance of spawning, Blue Catfish seek protected areas to deposit eggs behind rocks, root-wads, depressions, undercut stream banks, or other areas where the currents are minimal (Graham et … Living a little longer is possible for the crayfish but this is the average in captivity. Because of their huge numbers, long lifespan, large sizes, and voracious appetites, scientists have worried that blue catfish have the ability to upend river ecosystems, harming populations of native fish like American shad and potentially even blue crabs. They commonly weigh 20-40 pounds and can live up to 40 years. READ Quick Answer: What Is The Biggest Music Festival In Europe? Like most species of crayfish, the lifespan of the Electric Blue Crayfish is about five or six years which is relatively long. It can live up to 20 years. Blue catfish can reach weights of 50 pounds or more, which means they can be the dominant predator all other species. Just as soon as its jaws will fit around a bluegill. What is the biggest fish in the Mississippi River? Lifespan of Blue crayfish. In Chesapeake Bay, blue catfish is included as pest. Blue Catfish spawns in late spring to early summer at water temperatures of 21 to 25°C (Sublette et al. Blue catfish feed primarily on fish, mussels, snails, insects and crayfish. A blue catfish will also have 30 -36 anal fin rays. The blue catfish (Ictalurus furcatus) is the largest species of North American catfish, reaching a length of 165 cm (65 in) and a weight of 68 kg (150 lb).The typical length is about 25–46 in (64–117 cm). Use this chart to estimate how much a blue or flathead catfish weighs. Enjoying Blue Catfish. The maximum lifespan of a blue catfish is around 20-25 years. Managers hope to increase public awareness of blue catfish. When does a blue cat become a significant player in the food chain? The fish can live to 20 years. In my opinion the best tasting catfish is the Blue Catfish which is running wild, literally, in the Chesapeake Bay. The Siluriformes order contains the thousands of different species of catfish on Earth. Electric Blue Crayfish are very hardy despite its delicate looks. Read on to learn about the Blue Catfish. The Mississippi River is home to one of the largest species of freshwater fish in the state, blue catfish. Spawning: Spawning usually takes place in late May or early June when the water temperature reaches 75 degrees F. Hollow logs, overhanging underwater ledges or holes under mud banks are typical nesting places. Channel cats, on the other hand, seldom exceed 10-12 pounds in a small, closed system. Blue catfish has a very long lifespan. There is an amazing variety of catfish to be found, both farm-raised and wild. They adapt well to nearly any setting. The Blue Catfish is a species in the large taxonomic order Siluriformes. You can find them living in a colony in coastal area. Some of its closest relatives include the bullhead catfish, channel catfish, and more. 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