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Because of their long lifespans and older sexual maturity age, factors affecting their reproduction are an issue in preserving them. [27] Overfishing is a large issue for this fish, especially when the fish have not reached sexual maturity due to the female not reaching sexual maturity until about 6 years of age. [27]
The International Game Fish Association (IGFA) world record sits at 6 pounds 9 ounces (3.0 kg) taken from the St. Joseph River in Michigan on December 2, 1989 by angler Ben Knoll. [7] [8]: 101–102 The longnose sucker is a freshwater fish native to North America, particularly found in rivers and lakes.
The American paddlefish is a smooth-skinned freshwater fish with an almost entirely cartilaginous skeleton and a paddle-shaped rostrum (snout), which extends nearly one-third its body length. It has been referred to as a freshwater shark because of its heterocercal tail or caudal fin resembling that of sharks, though it is not closely related. [7]
The longnose dace (Rhinichthys cataractae) is a freshwater minnow native to North America. Rhinicthys means snout fish (reference to the long snout) and cataractae means of the cataract (first taken from Niagara Falls). Longnose dace are small, typically less than 100 mm and characterized by their fleshy snout that protrudes past the mouth.
Acantopsis octoactinotos, the long-nosed loach, is a freshwater fish from Indonesia, commonly found in aquariums. [ 2 ] Acantopsis octoactinotos has a long straight snout, unlike the similar Horseface loach ( Acantopsis choirorhynchus ), in which the snout has a down-turned shape. [ 2 ]
All of the gars are relatively large fish, but the alligator gar (Atractosteus spatula) is the largest; the alligator gar often grows to a length over 2 m (6.5 ft) and a weight over 45 kg (100 lb), [5] and specimens of up to 3 m (9.8 ft) in length have been reported. [6]
Peters's elephant-nose fish (Gnathonemus petersii) is an African freshwater elephantfish in the genus Gnathonemus. Other names in English include elephantnose fish, long-nosed elephant fish, and Ubangi mormyrid, after the Ubangi River. The Latin name petersii is probably for the German naturalist Wilhelm Peters.
Their fins are almost entirely transparent. These fish have thick bodies with a long head, long snout, and a small mouth. [3] They have a single dorsal fin containing 1–3 spines and 10–11 soft rays. They also have an adipose fin, similar to trout, which helps to distinguishes them from their look-alike species, the yellow perch and the ...