spawn

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34) indicated that the blue marlin spawned once every 2-3 days on average.
This study examined the effect of diet (three formulated diets with differing levels of the fatty acid, ARA and a red seaweed diet) and spawning frequency on the variability in egg diameter within a batch of eggs spawned from one female and between batches and is part of a larger study of the influence of these diets on fecundity, egg quality and larval success.
Females develop two cohorts of oocytes: the first is grown slowly during the winter months to be spawned in March; the second is produced rapidly and spawned about 30 days after the first.
Fish spawning periodicity was assessed from 2001 to 2003 by direct observation from an elevated deck, by sampling the net pen for freshly spawned eggs with a 500-[micro]m-mesh dip net, and by acoustically monitoring fish sounds.
A high, statistically significant percentage of males spawned from 5 x [10.
The observations of summer spawning are puzzling given that it is generally presumed that earlier spawned fish have a survival advantage going into their first winter, as they are able to attain a greater size during the growing season leading into winter.
Our broodstock yellowfin tuna have spawned over protracted time periods (nearly year-round on a daily basis) since October of 1996.
On both occasions several thousand mussels spawned profusely at low tide, leaving masses of gametes on their shells or concentrated in tidepools and surge channels.
The triggerfish, Melichthys niger (Balistidae), actively feeds on newly spawned zygotes of O.
NMFS' own guidelines state that offspring of the hatchery fish, if naturally spawned, are deemed "wild" and the ESA authorizes the use of hatchery fish in the recovery of the salmon population.
Over the decades, ice-out dates have gradually shifted earlier and walleyes have spawned earlier, with results statistically significant, based on regressions of the day of first egg collection and day of ice-out against year.
Final maturation and ovulation of oocytes took place within a 24-hour period, and females spawned in the afternoon-evening every three days.