how big are wels catfish?
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Wels Catfish is one of the world's largest freshwater fish species, with individuals often reaching lengths of up to 300 cm (3 metres), and weights of up to 150 kg (although typically, Wels Catfish range in size from 1.3–1.6 m long, and weigh 15–20 kg (33–44 lb).
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(350 to 450 kilograms) and is around 5 feet (1.5 meters) tall from shoulder to hoof. Their thick bodies make them look like mules with stripes.
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Coywolf can reach 4 to 5 feet in length and 35 to 45 pounds of weight. Coywolf has thick coat that can be blondish or dark-blackish in color. Coywolf has big skull, wide, powerful jaws, short, round ears, long legs and strong, wolf-like body (coywolf is larger than coyote, but smaller than wolf).
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Species Information The Kelberi Peacock Bass (Cichla kelberi) is one of the smaller species of Peacock Bass available within the hobby, with a max size of around 18" in length, but more commonly only reaching about 10" to 12" in length within the aquarium environment.
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An average mature trout is around 16 inches in length, and weighs between 2 to 8 pounds. Rainbow trout that migrate to larger bodies of water, like the Great Lakes or oceans, can grow much larger and are referred to as "Steel-Heads."
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Ghost Shrimp size varies by age, but generally they grow to be about 1 1/2 inches in length. In terms of width, Ghost Shrimp size is generally about the diameter of a pencil eraser when fully grown.
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Most species of rainbowfish are less than 12 cm (4.7 in) in length, with some species measuring less than 6 cm (2.4 in), while one species, Melanotaenia vanheurni, reaches lengths of up to 20 cm (7.9 in). They live in a wide range of freshwater habitats, including rivers, lakes, and swamps.
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How Big Do Bettas Get. Betta fish have an average length of 2.25 inches (5.7 cm) when they are fully grown. On occasion and under the right conditions, a betta fish can grow to as big as 3 inches (7.6 cm) in length.
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The rudd can grow to a size of about 45–50 cm with an average of about 25 cm. The dorsal fin and pectoral fins are greyish with a reddish tint and all the other fins are bright red.
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Bass grow continually; the larger the fish, the older it usually is. The average adult size of a smallmouth is 15-20 inches.
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Size: They grow to 16 inches (40 cm) in length and have a body diameter of 0.5 inch (1.3 cm). Behavior: Spotted garden eels burrow into the sandy sea bottom to make their home.
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It is notable for its size, with larger female individuals growing to 6.1 m (20 ft) in length and 1,905–2,268 kg (4,200–5,000 lb) in weight at maturity. However, most are smaller; males measure 3.4 to 4.0 m (11 to 13 ft), and females measure 4.6 to 4.9 m (15 to 16 ft) on average.
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Kokanees vary widely in size, depending on the size of the population and available forage. Most are in the 8- to 12-inch range, but they can grow into the mid 20s. A 2-pounder is a good fish, and a 5-pounder is a trophy.
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Clown Loach They are, however, a large fish with most coming in at about 12-14 inches as adults. They clean off the bottom and go through the substrate to look for food.
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The American bison wins in the length department: Males, called bulls, can grow up to 12.5 feet from head to rump and weigh as much as 2,200 pounds. The Cape buffalo comes in second in length, at around 11 feet and weighs in at a little less than 2,00o pounds.
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Dwarf African Cichlids. These smaller species of African cichlids generally grow to be no more than five inches and can be kept in a tank of 20–30 gallons. ... Most cichlids are too large for 20 gallons, but there are some exceptions like Rams or shell-dwellers.
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Dwarf cory catfish, Sparkling gouramis, most any of the smaller killifish, small tetras, Least killiefish ( which is actually a livebearer) all make good bets for a micro community tank. Toss out any “rules” you know about inches per gallon and just keep the tank to about 5-6 fish.