Sexually mature male goldfish release large quantities of androstenedione into the water where it functions as a pheromone

Previous studies have demonstrated that ovulatory female goldfish release a variety of sex steroids into the water where they function as a pheromonal blend dominated by C 21 steroids that stimulates male hormone release, sperm production and behavior. This study investigated whether male goldfish m...

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Bibliographic Details
Published in:General and comparative endocrinology 2005-02, Vol.140 (3), p.164-175
Main Authors: Sorensen, P.W., Pinillos, M., Scott, A.P.
Format: Article
Language:English
Subjects:
17,20β-Dihydroxypregn-4-en-3-one
Androgen
Androstenedione
Androstenedione - physiology
Animals
Carassius auratus
Chromatography, High Pressure Liquid - veterinary
Female
Freshwater
Goldfish
Goldfish - physiology
Male
Olfaction
Olfactory Mucosa - physiology
Pheromone
Sex Attractants - physiology
Sex steroid
Sexual Behavior, Animal - physiology
Spermiation
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Summary:Previous studies have demonstrated that ovulatory female goldfish release a variety of sex steroids into the water where they function as a pheromonal blend dominated by C 21 steroids that stimulates male hormone release, sperm production and behavior. This study investigated whether male goldfish might also release sex steroids with pheromonal activity. It found that spermiated male goldfish release substantial quantities of androstenedione (AD; about 50 ng/h) together with smaller (10–20 ng/h) quantities of several other related C 19 steroids but only very small quantities (
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2004.11.006