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Some particular types of migration are anadromous, in which adult fish live in the sea and migrate into fresh water to spawn; and catadromous, in which adult fish live in fresh water and migrate into salt water to spawn. [2] Marine forage fish often make large migrations between their spawning, feeding and nursery grounds. Their movements are ...
The swordfish (Xiphias gladius), also known as the broadbill [5] in some countries, are large, highly migratory predatory fish characterized by a long, flat, pointed bill. They are a popular sport fish of the billfish category. Swordfish are elongated, round-bodied, and lose all teeth and scales by adulthood.
Indiana Audubon’s annual Spring Gathering, 7 a.m. – 4:30 p.m. at Mary Gray Bird Sanctuary in Connersville: Celebrate the peak of spring migration with a day full of guided hikes and workshops ...
Females do not spawn every year; rather they spawn every second or third year. Males spawn more frequently, usually every year or every other year beginning around age seven, some as late as nine or ten years of age. [29] [33] American paddlefish begin their upstream spawning migration sometime during early spring; some begin in late fall. [33]
Paddlefish migrate upstream to spawn, and prefer silt-free gravel bars that would otherwise be exposed to air, or covered by very shallow water were it not for the rises in the river from snow melt and annual spring rains that cause flooding. [32] They are broadcast spawners, also referred to as mass spawners or synchronous spawners.
The state of Indiana wants to change its rules for deer hunting, but first it wants your input. The Indiana Natural Resources Commission (NRC) has opened a public comment period for proposed ...
The Hoosiers wrapped up spring practice with the offense beating the defense 34-25 in the program’s first spring game since 2019. Indiana’s quarterbacks combined for 326 passing yards and two ...
In 2009, building on recent advances in acoustic imaging, [59] [77] a group of MIT researchers observed for "the first time the formation and subsequent migration of a huge shoal of fish." [ 78 ] The results provide the first field confirmation of general theories about how large groups behave, from locust swarms to bird flocks .