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Topic: Spawning


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Rez

In the News (Tue 1 Dec 09)

  
  Spawning
spawning fish but we do feed the pair in the morning if they have not started the spawning process.
The spawning pair is left alone we have found the less they are disturbed the better the spawning
come out of the spawning tank in the same condition as when they were put in.
www.bcbetta.com /spawning.html   (1162 words)

  
  SRP - Spawning
Spawning gravel size may range from fine gravel to coarse rubble, but the amount of fine sediment is important.
When ready to spawn, the female salmon swims over the depression she has created for the nest and arches her body downward to gain close contact with the remaining gravel within the depression.
Quantity of spawning habitat required by one female may be quite large and is dependent on body size and the number of nests built.
csc-s-maps-q.csc.noaa.gov /salmonid/html/salmonid/spawn.htm   (1194 words)

  
 Spawning   (Site not responding. Last check: 2007-10-13)
The spawning run in Sibley Park (Lake Simcoe) Ont., began on April 11 with a single female, rose rapidly to a peak in numbers of fish by April 18, declined rapidly and ended by April 20.
A spawning run of 6000 mature pike was tabulated in a single creek tributary to Waskesiu Lake, Sask (Schultz 1955).
Each spawning act is usually followed by a thrust of the tails, which moves the fish on and scatters the settling eggs.
www.pikeonthefly.com /Spawning.html   (332 words)

  
 Spawning   (Site not responding. Last check: 2007-10-13)
Spawning migrations result in eggs being deposited in regions of the sea where prevailing currents will carry the developing eggs and larvae toward nursery grounds (areas with more food production for the developing fish) by passive drifts.
Little is known about the spawning of stocks in the natural environment, because it occurs in the deep waters of the open ocean.
Spawning occurs in the late winter and early spring when the water temperatures are as cold as they get.
www.umaine.edu /aquaculture/GeneralInfo/Ecology/spawning.htm   (490 words)

  
 Spawning
I pick the pair I want to spawn and I always have a backup pair in case either male or female is not compatible.
I remove the female after spawning and put her in a recovery jar with medication.
If they did not spawn after three days I will remove the female and if the Male did not build a nest I will remove him and add the substitute I had all ready picked out and prepared.
www.bettacave.com /Spawning.html   (473 words)

  
 Office of Habitat Conservation
Spawning aggregations tend to form at specific sites to which fish migrate year after year; however, there is evidence that specific sites may vary for some species.
Spawning aggregations may be the primary source of larvae that replenish local fishery populations.
The decline in spawning aggregations ultimately results in the reduction of the population because fewer and fewer fish are reproducing each year.
www.nmfs.noaa.gov /habitat/ead/spawnaggs.htm   (655 words)

  
 Spawning
Because fish tend to jump during spawning, the tank shoud be covered; such as with tautly secured shade cloth, neiling or even a heavy board.
These should be removed from the spawning tank as soon as the parents have finished their activity.
The water in the spawning tank will be white, smelly and soon become rotten because only a small portion of the sperm, sprayed by the male, is adhering to the eggs, the rest is distributed in the water.
www.akca.org /library/spawn3.htm   (1174 words)

  
 Spawning - Wikipedia, the free encyclopedia
Spawning is the production or depositing of eggs in large numbers by aquatic animals.
This is the stage where Salmonid grow scales and begin their trek to their salt water environment.
A salmonid, especially an Atlantic salmon, which is returning to its spawning grounds after just one year in the sea.
en.wikipedia.org /wiki/Spawning   (230 words)

  
 New Page
Due to these spawning differences, culture of fathead minnows is restricted to the wild spawn or fry transfer method.
In this method, broodfish are stocked at a rate of 500 to 2,000 fish per acre or 3 1/2 to 14 pounds per acre.
Spawning ponds are stocked with 20,000 to 25,000 fish per acre, or 170 to 215 pounds of fish per acre.
www.uaex.edu /aquaculture2/FSA/FSA9003.htm   (1315 words)

  
 Spawning of Southern and Northern Redbelly Dace Compared, by James Sternburg   (Site not responding. Last check: 2007-10-13)
Spawning was repeated at intervals by other dace over the next three days, at which time I removed all the adults.
In contrast, the spawning behavior of the Southern Redbelly Dace, placed in the same aquarium with all conditions the same, was very different.
Spawning was observed at irregular intervals during the day.
www.nanfa.org /articles/acredbelly.shtml   (1039 words)

  
 BLUECRAB.INFO - Blue Crab Life Cycle
Spawning peaks in the blue crabs are closely associated with the region inhabited.
In Chesapeake Bay, for example, spawning is initiated in May and June, with a second spawning in August.
In the Gulf of Mexico, two spawning periods are common: one in February and March, and one in August and September.
www.blue-crab.org /spawning.html   (694 words)

  
 Wyoming Game and Fish - Fish - Culture - Statewide Spawning Crew - 1425
Fish spawning is the first and most vital strategy in fish culture.
Located in beautiful Pinedale, Wyoming, the wild spawning crew’s main objective is to collect eggs from various wild fish populations throughout Wyoming.
When spawning fish in the wild, they are captured with trap nets, dip nets, seines, v-traps, and gill nets.
gf.state.wy.us /fish/culture/spawning.asp   (169 words)

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