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Fertilization dynamics in sockeye salmon and a comparison of sperm from alternative male phenotypes
Sockeye salmon Oncorhynchus nerka sperm maintained high fertility for 10 s after being exposed to water but fertility dropped sharply after that. Eggs also showed limited longevity after beingExpand
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Stress induced elevation of plasma cortisol in adult female coho salmon (Oncorhynchus kisutch), is reflected in egg cortisol content, but does not appear to affect early development
Abstract Circulating levels of cortisol, the major corticosteroid among teleosts, increase in response to environmental Stressors. Cortisol has also been reported to be present in the freshlyExpand
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The role of steroid hormones in protogynous sex change in the Blackeye goby, Coryphopterus nicholsii (Teleostei: Gobiidae).
  • F. Kroon, N. Liley
  • Biology, Medicine
  • General and comparative endocrinology
  • 1 May 2000
To detect and describe correlations between steroid concentrations and sexual function in the protogynous Coryphopterus nicholsii, we examined whole-body concentrations of the gonadal steroidsExpand
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Chemical Communication in Fish
Chemical signals (pheromones) have been shown to be involved in schooling, territorial marking, species, sex and individual recognition, courtship, the induction of physiological readiness forExpand
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Androgen control of social status in males of a wild population of stoplight parrotfish, Sparisoma viride (Scaridae)
In the protogynous stoplight parrotfish (Sparisoma viride), large males defend territories that encompass the home-ranges of several mature females. However, high-quality habitat is in short supply,Expand
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Fertilization dynamics in rainbow trout (Oncorhynchus mykiss): effect of male age, social experience, and sperm concentration and motility on in vitro fertilization
We examine aspects of the fertilization dynamics of rainbow trout (Oncorhynchus mykiss) that may play a role in determining reproductive success of males of different age and status competing forExpand
  • 109
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GEOGRAPHIC VARIATION IN THE SEXUAL BEHAVIOUR OF THE GUPPY, POECILIA RETICULATA (PETERS)
The guppy, Poecilia reticulata, exhibits marked intraspecific variation in behaviour and morphology and occurs over a wide range of natural environments in Trinidad, West In-dies. In this paper weExpand
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1 Hormones, Pheromones, and Reproductive Behavior in Fish
Publisher Summary The role of hormones in the regulation of various aspects of reproductive behavior has been reported by a number of researchers. This chapter discusses the more recent studies,Expand
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Hormonal control of sex and color change in the stoplight parrotfish, Sparisoma viride.
The stoplight parrotfish, Sparisoma viride, changes sex from female to male. In most cases, sex change is accompanied by dramatic change in coloration, from the female-like "initial phase" colorationExpand
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