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They can reach as large as 115 pounds and are considered an excellent food fish. But in the mid-1990s their numbers surged as the species proved surprisingly adaptable to the regions nutrient-rich tidal rivers.
Lifespan of Blue crayfish.
Blue catfish lifespan. The average lifespan of the blue catfish is almost a decade although certain blue catfish have been known to live to be 25 years old. How do they reproduce. The reproduction process of a blue catfish takes place once annually between the months of April and June.
Blue catfish become sexually mature when they reach 24 inches long. The maximum lifespan of a blue catfish is around 20-25 years. Blue catfish commonly attain weights of 20 to 40 pounds and may reach weights well in excess of 100 pounds.
It is reported that fish exceeding 350 pounds were landed from the Mississippi River during the late 1800s. Habitat Blue catfish are primarily large-river fish occurring in main channels tributaries and impoundments of major river systems. They tend to move upstream in the summer in.
Blue catfish has a very long lifespan. It can live up to 20 years. Facts about Blue Catfish 4.
In Chesapeake Bay blue catfish is included as pest. You can find them living in a colony in coastal area. Living in brackish water is easy to do for the blue catfish can tolerate this condition.
Facts about Blue Catfish 5. The record of blue catfish. Blue catfish can reach weights of 50 pounds or more which means they can be the dominant predator all other species.
Channel cats on the other hand seldom exceed 10-12 pounds in a small closed system. When does a blue cat become a significant player in the food chain. Just as soon as its jaws will fit around a bluegill.
Moderated by Bill Cody Bruce Condello. 16 - 24 years. Electric Blue Crayfish are very hardy despite its delicate looks.
They adapt well to nearly any setting. Lifespan of Blue crayfish. Like most species of crayfish the lifespan of the Electric Blue Crayfish is about five or six years which is relatively long.
Living a little longer is possible for the crayfish but this is the average in captivity. Blue catfish Ictalurus furcatus is a sizeable smooth-skinned fish species with a blue body and whiskers called barbels around its mouth. With a typical length of 25 to 46 inches and living up to 20 years the blue cat is the largest North American species of catfish.
Blue catfish have an average life expectancy of 9 to 10 years but can live to ages upward of twenty years. Their life expectancy does not exceed 25 years a record set in Virginia in the Rappahannock River. Life expectancies can range from river to river with rivers in Virginia being better suited at producing older and larger catfish.
In Maryland electrofishing surveys produced blue catfish. Blue catfish are native of the Mississippi River basin but were introduced in Virginias Bay tributaries in the 1970s and 1980s to help build a recreational fishery. For nearly two decades they persisted without much notice.
But in the mid-1990s their numbers surged as the species proved surprisingly adaptable to the regions nutrient-rich tidal rivers. The lifespan of the blue catfish is unknown but it may exceed 20 years in age. Size 20-40 lbs 9-18 kg Diet Mayflies crayfish clams and other fish.
Habitat Deep water of rivers and reservoirs. Blue catfish can grow to be larger than 100 pounds. One caught in an inland lake on the VirginiaNorth Carolina border weighed 143 pounds.
The Chesapeake Bay record is a blue catfish caught in the James River that was 102 pounds. Blue catfish are highly productive and create high numbers of offspring each reproductive cycle. They spawn once a year from late May into June mostly in lower-salinity streams.
A blue catfish will also have 30 -36 anal fin rays. Coloration is usually slate blue faded to a white belly. Biology and Life History.
The blue catfish is the largest freshwater sport fish found in Texas. They commonly weigh 20-40 pounds and can live up to 40 years. They can reach as large as 115 pounds and are considered an excellent food fish.
Their spawning behavior is similar to a channel. The average lifespan of the blue catfish is 20 years. Blue catfish live in main channels tributaries and impoundments of major river systems.
These kinds of catfish travel upstream in search of cooler temperatures in the summer and travel down south in the winter to get to warmer temperatures. The Blue Catfish lacks scales and has a blue grey dorsal side with silver white on the sides and white ventrally. While some specimens have diffused spotting.
Meanwhile the Rio Grande population of Blue Catfish in Texas tend to differ from the norm. With males being dark blue during breeding season and the juveniles are speckled with adults often retaining their spots.