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In total 33 peer-reviewed articles - 532 citations

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H-index: 14
I10 index: 19


light pollution study on fish

New article on the effect of light pollution

We recently published a new paper in Science of The Total Environment entitled Artificial light at night disrupts male dominance relationships and reproductive success in a model fish species. This…



Two papers in press


Closs L, Sayyari L, Fontaine R. Sperm collection and computer-assisted sperm analysis in the teleost model Japanese medaka (Oryzias latipes). 2022. Journal of Visualized Experiments

Vindas MA, Midttun HLE,  Nadler LE, Fontaine R,  Weltzien FA, Øverli Ø,  Johansen IB. Brain infecting parasites leave lasting effects on behaviour even in resistant hosts. 2022. Functional Ecology

Fontaine R, Royan MR, Henkel C, Hodne K, Ager-Wick E, Weltzien F-A. Pituitary multi-hormone cells in mammals and fish: History, origin, and roles. 2022. Frontiers in Neuroendocrinology

Royan MR, K Siddique K, Nourizadeh-Lillabadi R, Weltzien FA, C Henkel C, Fontaine R. Functional and developmental heterogeneity of pituitary lactotropes in medaka. 2022. General and Comparative Endocrinology


Siddique K, Ager-Wick E, Fontaine R, Weltzien FA, Henkel CV. Characterization of hormone-producing cell types in the teleost pituitary gland using single-cell RNA-seq. 2021 Scientific Data

Fontaine R, Rizzoti K, Weltzien FA. Plasticity in the Vertebrate Pituitary, Including Regulatory Mechanisms [Editorial]. 2021 Frontiers in Endocrinology

Royan MR, Siddique K, Csucs G, Puchades MA, Nourizadeh-Lillabadi R, Bjaalie JG, Henkel C, Weltzien FA, Fontaine R. 3D atlas of the pituitary gland of the model fish medaka (Oryzias latipes). 2021 Frontiers in Endocrinology

Ciani E, von Krogh K, Nourizadeh-Lillabadi R, Mayer I, Fontaine R, Weltzien FA. Sexual maturation in Atlantic salmon male parr may be triggered both in early spring and late summer under standard farming conditions. 2021 Aquaculture

Grønlien HK, Fontaine R, Kjetil H, Tysseng I, Ager-Wick E, Weltzien FA, Haug TM. Long extensions with varicosity-like structures in gonadotrope Lh cells facilitate clustering in medaka pituitary culture. 2021. Plos One

Ciani E, Haug TM, Maugars G, Weltzien FA, Falcon J, Fontaine R. Effects of melatonin on anterior pituitary plasticity: a comparison between mammals and teleosts. 2021 Frontiers in Endocrinology


Fontaine R, Royan MR, von Krogh K, Weltzien FA, Baker DM. Direct and Indirect Effects of Sex Steroids on Gonadotrope Cell Plasticity in the Teleost Fish Pituitary. 2020 Frontiers in Endocrinology

Royan MR, Kanda S, Kayo D, Song W, Ge W, Weltzien FA, Fontaine R. Gonadectomy and Blood Sampling Procedures in the Small Size Teleost Model Japanese Medaka (Oryzias latipes). 2020 Journal of Visualized Experiments.

Fontaine R, Ager-Wick E, Hodne K, Weltzien FA. Plasticity in medaka gonadotropes via cell proliferation and phenotypic conversion. 2020 Journal of Endocrinology.

Ciani E, Fontaine R, Nourizadeh-Lillabadi R, Andersson E, Bogerd J, von Krogh K, Weltzien F-A. Expression of Gnrh receptor gnrhr2b1 exclusively in lhb-expressing cells in Atlantic salmon male parr. 2020 Gen Comp Endocrinol.

Fontaine R, Ciani E, Haug TM, Hodne K, Ager-Wick E, Baker D, Weltzien FA. Gonadotrope plasticity at cellular, population and structural levels: A comparison between fishes and mammals. 2020. Gen Comp. Endocrinol.


Hodne K*, Fontaine R*, Ager-Wick E, Burow S, Nourizadeh-Lillabadi R, Weltzien F-A. Gnrh1-induced responses are indirect in female medaka Fsh cells, generated through cellular networks. 2019 Endocrinology.

Fontaine R, Weltzien FA. Labelling of blood vessels in teleost brain and pituitary using cardiac perfusion with a DiI-fixative. 2019 JoVE (Journal of Visualized Experiments), e59768.

Rozenfeld1 C, Blanca J, Pérez L, Gallego V, García-Carpintero V, Herranz-Jusdado J-G, Tveiten H, Johnsen H-K, Fontaine R, Weltzien F-A, Cañizares J, AsturianoJ-F, Peñaranda D-S. Cold seawater induces early sexual maturation in the European eel. 2019 BMC genomics 20 (1), 597.

Ciani E, Fontaine R*, Maugars G*, Mizrahi N, Mayer I, Levavi-Sivan B, Weltzien F-A, 2019. Melatonin receptors in Atlantic salmon stimulate cAMP levels and show season-dependent daily variations in pituitary expression levels2019 Journal of pineal research, e12590.

Fleming M, Maugars G, Lafont A-G, Racon J, Fontaine R, Nourizadeh-Lillabadi R, Weltzien F-A, Yebra-pimentel E S, Dirks R, McCormick S D, Rousseau K, Martin P, Dufour S. Functional divergence of thyrotropin beta-subunit paralogs gives new insights into salmon smoltification metamorphosis. Sci Reports 2019.

Fontaine R, Ager-Wick E, Hodne K, Weltzien FA. Plasticity of Lh cells caused by cell proliferation and recruitment of existing cells. J Endocrinol. 2019 Feb 1;240(2):361-377.

Burow S, Fontaine R*, Von Krogh K*, Mayer I, Nourizadeh-Lillabadi R, Hollander-Cohen L, Cohen Y, Shpilman M, Levavi-Sivan B, Weltzien FA. Medaka follicle-stimulating hormone (Fsh) and luteinizing hormone (Lh): Developmental profiles of pituitary protein and gene expression levels. Gen Comp Endocrinol. 2019 Feb 1;272:93-108.


Ager-Wick E, Hodne K, Fontaine R, von Krogh K, Haug TM, Weltzien FA. Preparation of a High-quality Primary Cell Culture from Fish Pituitaries. J Vis Exp. 2018 Aug 28;(138).

Fontaine R*, Hodne K*, Weltzien FA. Healthy Brain-pituitary Slices for Electrophysiological Investigations of Pituitary Cells in Teleost Fish. J Vis Exp. 2018 Aug 16;(138).


Xavier AL, Fontaine R, Bloch S, Affaticati P, Jenett A, Demarque M, Vernier P, Yamamoto K. Comparative analysis of monoaminergic cerebrospinal fluid-contacting cells in Osteichthyes (bony vertebrates). J Comp Neurol. 2017. 525(9) : 2265-2283


Candelma M, Fontaine R, Colella S, Santojanni A, Weltzien FA, Carnevali O. 2017. Gonadotropin characterization, localization and expression in the European hake (Merluccius merluccius). 2016.cpl Reproduction. 153(2) : 123-132.


Yamamoto K, Fontaine R, Pasqualini C, Vernier P. Classification of Dopamine Receptor Genes in Vertebrates: Nine Subtypes in Osteichthyes. 2015. Brain Behav Evol. 86(3-4)

Fontaine R, Affaticati P, Bureau C, Colin I, Demarque M, Dufour S, Vernier P, Yamamoto K, and Pasqualini C. The dopaminergic neurons controlling anterior pituitary functions: Anatomy and ontogenesis in zebrafish. 2015. Endocrinology. 156(8):2934-48


Fontaine R, Affaticati P, Yamamoto K, Jolly C, Bureau C, Baloche S, Gonnet F, Vernier P, Dufour S, and Pasqualini C. Dopamine inhibits reproduction in female zebrafish (Danio rerio) via three pituitary D2 receptor subtypes. 2013. Endocrinology, 154(2): 807-18