Puberty comprises the transition from an immature juvenile to a mature adult state of the
reproductive system, ie the individual becomes capable of reproducing sexually for the first …

Measurement of fish steroids in water provides a non-invasive alternative to measurement in
blood samples, offering the following advantages: zero or minimal intervention (ie no …

The major progestin in teleosts is not progesterone, as in tetrapods, but 17, 20β‐
dihydroxypregn‐4‐en‐3‐one (17, 20β‐P) or, in certain species, 17, 20β, 21‐trihydroxy …

Sexual maturation of Atlantic salmon, Salmo salar, is a complex process, with many
variables having the capacity to influence the timing and prevalence of maturation and …

Aquatic organisms detect chemical cues to sense the local environment, for example, to find
a mate, locate food, and identify danger. Knowledge of chemical cues can be used in …

Bile salts are potent olfactory stimuli in fishes; however the biological functions driving such
sensitivity remain poorly understood. We provide an integrative review of bile salts as …

Abstract The European eel migrates 5,000–6,000 km to the Sargasso Sea to reproduce.
Because they venture into the ocean in a pre-pubertal state and reproduce after swimming …

Publisher Summary The study of fish hormonal pheromones is fascinating and relevant for
many reasons. An understanding of the cues is only to provide valuable insight into how …

Since 1960, the European eel (Anguilla anguilla) has suffered a dramatic reduction in
natural stocks. Breeding in captivity is considered an alternative, but obtaining high quality …

Zebrafish (Danio rerio) has recently emerged as a new animal model in neuroendocrinology
and behavior (eg, stress physiology and ecotoxicology studies). In these areas, the …