Spawning period
Quality of semen and histological analysis of testes in Eurasian perch Perca fluviatilis L during a spawning period
... of spawning season observed in fish that were stimulated by the temperature may be related to the fact that at this moment of the spawning period of perch processes preparing the testes for ...
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Proteolytic and anti proteolytic activity in the seminal plasma of Eurasian perch (Perca fluviatilis L ) during the spawning period
... Among the fish examined, perch is characterized by one of the highest values of protein concentra- tion in seminal plasma (Lahnsteiner et al., 1995) which increases during the spawning period (Krol et al., ...
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Reproductive Ecology and Habitat Use of the Robust Redhorse in the Pee Dee River, North Carolina and South Carolina.
... the spawning period as ...for spawning as those by robust redhorse in the Savannah River, Georgia, South ...for spawning or other functions and could benefit as ...
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STUDY ON CHANGESH OF LIPID AND CHOLESTEROL CONTENT IN WHITE MUSCLES AND RED MUSCLES OF TWO SPCIES OF FISHES OFF JODIA COAST IN GULF OF KUTCH.
... R spawning time and remain uniform level during spawning ...late period of spawning period ...post spawning period and increases during pre-spawning period ...
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Diverse Ecological Pathways of Salmon Nutrients Through an Intact Marine-terrestrial Interface
... the spawning period twice in 1992, five times in 1993, and twice in 1994 yielding a cumulative yearly total transfer at the completion of the run of 1150, 3611, and 1596 carcasses, respectively; for a 3 kg ...
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Some properties reproductive of the speckled shrimp (Metapenaeus monoceros Fabricius, 1798) in the North-eastern Mediterranean
... the spawning started to decrease again until the following spawning period (from June and ...every spawning period, and understandably ...
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Effect of highest Calcium concentrations in the gills of Heteropneustes fossilis (Bloch) during different phases of reproductive cycle
... experimental period the mature fishes ranging between 12 to 17 cm in length and 25-30 gm in weight were placed in tap water aquarium in laboratory conditions and treated with tetracycline to control bacteria and ...
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Restricted grouper reproductive migrations support community-based management
... the spawning population year-round, with the additional benefit of protecting common migration corridors (figure 1)—a key management priority for this species ...
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The reproductive cycle, size at maturity and fecundity of garfish (Belone belone, L. 1761) in the eastern Adriatic Sea
... Abstract A recent study concerning the reproductive biology of the garfish (Belone belone, L. 1761) has been carried out in the eastern part of the Adriatic Sea along the Croatian coastline. Specimens of the fish (N = ...
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Some Aspects of the Reproductive Biology of Poor Cod (Trisopterus minutus capelanus Lacépède, 1800) in Edremit Bay (the North-Eastern Aegean Sea)
... the spawning period of poor cod and can be explained by the migration of male poor cod as a reproductive behaviour from deep to the area that the samplings were carried ...
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Reproductive Performance of Wild and Hatchery-Reared Black Sea Turbot, Psetta maxima, in the Southern Black Sea Coast
... 0.1864). Although the differences in the hatching rates between wild and hatchery-reared broodstocks were not significant, the fertilization rate significantly differed (P < 0.05). As observed during this strip ...
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Investigations on larvae of commercial fish from Hurghada, Red Sea with notes on the spawning seasons and grounds of some species
... The present work deals with the study of fish larvae of coral reef fishes in the Red Sea (Hurghada). It was aimed to study the spatial and temporal variations of fish larvae for management purposes. Sampling stations ...
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The reproductive cycle, condition index and biochemical composition of the horse-bearded mussel Modiolus barbatus
... The condition index is regarded as the most sensitive to changes in the reproductive development, and usually correlates well with the mean gonad index (Ojea et al. 2004; Peharda et al. 2006). Their determination was ...
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The effectiveness of spawning habitat creation or enhancement for substrate spawning temperate fish: a systematic review protocol
... The asterisk (*) is a wildcard and represents any characters (e.g., restor* includes restore, restores, restoring, restoration) while the dollar sign ($) includes zero or one character (e.g., boulder$ includes boulder ...
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Competition between brown and rainbow trout in Scotts Creek, a spawning tributary of Lake Alexandrina
... Therefore interspecific competition for spawning space, mediated through redd superimposition, was investigated in the major spawning tributary of Lake Alexandrina, Scotts Creek, as a po[r] ...
232
SPAWNING TIME AND SPAWNING TIME REPEATABILITY OF RAINBOW TROUT (Oncorhynchus mykiss)
... the spawning time in the second year came 12 days earlier and so some could be spawned and in the second spawning the rest were spawned (Table ...when spawning time comes, a few fish can be spawned ...
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The status and distribution of lamprey and shad in the Slaney and Munster Blackwater SACs
... in the areas downstream of these weirs – Clohamon on the Slaney and Fermoy on the Blackwater. However, for fish to reach Fermoy weir they would have to negotiate the large weir at Careysvillle (Plate 5). Lampreys are ...
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Spawning aggregations: patterns of movement of the coral trout Plectropomus leopardus (Serranidae) as determined by ultrasonic telemetry
... Treating the individual l-way distances between home ranges and spawning sites as covariate for each specimen in the statistical analysis, the total distance moved to spawning aggregatio[r] ...
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Asynchronous breeding and variable embryonic development period in the threatened Northern Leopard Frog ( Lithobates pipiens ) in the Cypress Hills, Alberta, Canada: conservation and management implications
... of spawning time and embryo development rate of Northern Leopard Frogs, such as temperature and time of year, as part of a larger study of tadpole microhabitat selection and juvenile dis- persal ...breeding ...
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Spawning habitat selection of Hickory shad
... during spawning, we collected hick- ory shad eggs with plankton tows and spawning ...and spawning pads (Sparks 1998; Burdick and Hightower 2006; Smith 2006; Harris and Hightower ...and ...
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