Search results
Results from the WOW.Com Content Network
A grizzly bear ambushing a jumping salmon during an annual salmon run. A salmon run is an annual fish migration event where many salmonid species, which are typically hatched in fresh water and live most of their adult life downstream in the ocean, swim back against the stream to the upper reaches of rivers to spawn on the gravel beds of small creeks.
However, peak spawning is from late March through early June. Once mature, an individual may spawn during successive spawning periods at about 15-day intervals. Most females spawn about six times during the season. Counts of maturing ova to be laid at one spawning ranged from about 1,600 to about 3,600, with the larger females producing more eggs.
The spawn (eggs) of a clownfish.The black spots are the developing eyes. Spawn is the eggs and sperm released or deposited into water by aquatic animals.As a verb, to spawn refers to the process of freely releasing eggs and sperm into a body of water (fresh or marine); the physical act is known as spawning.
This is the coral spawning season – a time when the Great Barrier Reef creates the next generation of corals. For a few days every southern hemisphere spring, the world’s biggest and most ...
They reproduce by spawning and their main spawning season occurs in spring but can extend into the summer. The majority of capelin are three or four years old when they spawn. [3] The males migrate directly to the shallow water of fjords, where spawning will take place, while the females remain in deeper water until they are completely mature.
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 common snook is a protandric hermaphrodite fish species. [5] Its spawning season spans from April to October. The peak spawning occurs during July and August. [6] Spawning typically occurs in near-shore waters with high salinities. [7]
The federal government is shutting down the harvest of a species of marine invertebrate in a national wildlife refuge during the spawning season to try to give the animal a chance to reproduce.