Intra-sexual variation in male reproduction in teleost fish: a comparative approach

Hormones and Behavior
Rui F OliveiraDavid M Gonçalves


The occurrence of intra-sexual variation in reproduction is a widespread phenomenon in teleosts. One such form of variation consists in the occurrence of alternative male types: males that invest resources in mate attraction and males that exploit the investment of the former males, by trying to sneak fertilizations during spawning. These alternative reproductive tactics can be classified according to their plasticity during the life span of the individuals (i.e., fixed vs. sequential vs. reversible). Furthermore, the differences between morphs within a given species may involve a set of different traits, including reproductive behavior, the differentiation of male morphological traits, and the patterns of gonad tissue allocation and the differentiation of gonadal accessory glands. In this paper, we review the available data on four species exhibiting different types of intra-sexual plasticity in reproduction that have been studied in our lab. The data on the proximate mechanisms, androgens and forebrain arginine-vasotocin (AVT), underlying these alternative tactics suggest that between-morph differences in androgen levels, especially in 11-ketotestosterone, are especially present in species where the alternative male types hav...Continue Reading


Jan 1, 1991·Brain, Behavior and Evolution·M S Grober, A H Bass
Aug 29, 1995·Proceedings of the National Academy of Sciences of the United States of America·S A WhiteR D Fernald
Aug 26, 1998·General and Comparative Endocrinology·C M Foran, A H Bass
Nov 24, 1999·General and Comparative Endocrinology·C M Foran, A H Bass
Jun 26, 2001·Brain Research. Brain Research Reviews·J L Goodson, A H Bass

❮ Previous
Next ❯


Oct 2, 2012·General and Comparative Endocrinology·Caitlin N FriesenNadia Aubin-Horth
Oct 19, 2010·Hormones and Behavior·Paul M Forlano, Andrew H Bass
Feb 24, 2010·Frontiers in Neuroendocrinology·John Godwin
Dec 4, 2009·Physiology & Behavior·Santiago Sanchez-Pages, Enrique Turiegano
Mar 10, 2016·Current Opinion in Neurobiology·Scott A Juntti, Russell D Fernald
Dec 17, 2008·General and Comparative Endocrinology·Karen P Maruska
Oct 1, 2008·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Sophie St-Cyr, Nadia Aubin-Horth
May 27, 2008·Hormones and Behavior·Leonida Fusani
Feb 12, 2008·Hormones and Behavior·Andrew H Bass, Luke Remage-Healey
Jul 14, 2007·Physiology & Behavior·Troy A Baird, Diana K Hews
Nov 11, 2006·General and Comparative Endocrinology·Wolfgang GoymannMichaela Hau
Mar 30, 2007·Molecular Ecology·Nadia Aubin-HorthHans A Hofmann
Nov 5, 2014·Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology·Albert Frank Huascar RosRedouan Bshary
Dec 21, 2012·Journal of Fish Biology·R F Oliveira
Dec 29, 2018·Journal of Morphology·Casey A GilmanDuncan J Irschick
Mar 18, 2021·Proceedings. Biological Sciences·Meghan A PeplerSigal Balshine

❮ Previous
Next ❯

Related Concepts

Trending Feeds


Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Hereditary Sensory Autonomic Neuropathy

Hereditary Sensory Autonomic Neuropathies are a group of inherited neurodegenerative disorders characterized clinically by loss of sensation and autonomic dysfunction. Here is the latest research on these neuropathies.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Landau-Kleffner Syndrome

Landau Kleffner syndrome (LKS), also called infantile acquired aphasia, acquired epileptic aphasia, or aphasia with convulsive disorder, is a rare childhood neurological syndrome characterized by the sudden or gradual development of aphasia (the inability to understand or express language) and an abnormal electroencephalogram. Discover the latest research on LKS here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.


Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

Regulation of Vocal-Motor Plasticity

Dopaminergic projections to the basal ganglia and nucleus accumbens shape the learning and plasticity of motivated behaviors across species including the regulation of vocal-motor plasticity and performance in songbirds. Discover the latest research on the regulation of vocal-motor plasticity here.