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Fish in a Toxic World

This symposium provides a popular multidisciplinary platform for researchers, particularly graduate students, to present and discuss their work on mechanisms of physiological impairment, comparative approaches to toxicology and associated ecotoxicological biomarkers of various established and emerging contaminants.

Organizers: Mark Hartl (; Tyson MacCormack (; Lynn Weber (

Phenotypic Plasticity and the Evolution of Fixed Traits

This symposium will bring together fish ecologists and physiologists studying various forms of phenotypic plasticity to bring new insights into the mechanisms, costs, and adaptiveness of plasticity and reversibility in fishes living in variable environments.

Organizers: Pat Wright (; Suzie Currie (

The future of fish: how will fish deal with climate change and coincident environmental changes?

This symposium will feature analyses of fish physiological responses to perceived future environmental perturbations at all levels of biological organization. By combining studies of whole animals in natural environments responding to recent environmental changes, laboratory experiments under forecasted future environments with cellular and molecular approaches all focusing on the future world, it is hoped that insight concerning the capacity of fish to respond to climate change and the mechanisms whereby they do will emerge from this symposium.

Organizers: Jay Nelson (; Adalberto Val ‎(‎

Ion and acid-base regulation in fish

The symposia will highlight researchers using whole animal approaches and those following more cellular and molecular mechanisms underlying these regulatory events.  This symposium will bring together speakers interested in a holistic approach to understanding the mechanisms involved in alteration and regulation of ion and acid-base status in fishes and the implications of this for whole animal function and responses to altered environments.

Organizers: Colin Brauner (; Greg Goss (; Steve McCormick (

Environmental threats to polar fish

Our symposium aims to provide a multidisciplinary platform for all working on the responses on Arctic/ Antarctic fish to climate change, i.e. ocean warming and acidification, and associated emerging contaminants/ anthropogenic pollutants. The session will cover all aspects of environmental influences on polar fish, from analytical, molecular, genomic, biochemical to organismic and population approaches, and include all life stages. Topics which take an integrative approach to comparative physiology are highly welcome. We are particularly looking forward to discussing studies in ecotoxicology and responses of the highly sensitive polar fish to toxicant exposure.

Organizers: Anneli Strobel (; Felix C. Mark (

Growth and Metabolism of Fishes

Topics covered will include how the environment, fish tissues, and associated pathways act and interact to regulate growth and metabolism. Emphasis will be on hormones that influence muscle tissue growth and metabolic processes, including interactions with behavior and environment as they affect food intake and nutrient partitioning.

Organizers: Brian Small (; Brian Peterson (; Suraj Unniappan (

6th International Burbot Symposium

This symposium will contain studies on the biology, ecology, management, and culture of burbot. Of special interest will be (1) studies on re-establishing extirpated burbot populations and rehabilitating populations that are imperiled; (2) life-history studies of burbot, particularly of juvenile and larval stages; (3) bioenergetics and population dynamics studies; and (4) commercial and management applications.

Organizers: Chris Myrick (; Pete Cott (‎)

Sensing the Environment: Molecules to Populations

This will be the third offering of this successful symposium. This session will bring together junior to established researchers in the field of fish sensory biology to link signals (sensory input from various modes, with an emphasis on olfaction) to receivers (molecular level and above) in order to understand the future of fish populations in a changing environment.

Organizers: Keith Tierney (; Gregory Pyle ‎(‎‎; Andy Dittman (‎

A Spotlight on Undergraduate Research in Fish Biology

The undergraduate research symposium is aimed at providing undergraduate students with an opportunity to present their work at the 12th International Congress on the Biology of Fish.  In addition to presentations by the undergraduates on their research projects, we envision having presentations by professionals on how they manage to incorporate undergraduate research into their research programs and/or college curricula.  We will conclude the session with a panel discussion on undergraduate research, with a panel made up of a 50:50 mix of undergraduate students and faculty who've hosted undergraduate researchers.  The major topics of discussion will be what undergraduates expect/experience/desire from research opportunities and what is required (from a faculty standpoint) for successful undergraduate research projects.

Organizers: Chris Myrick (; Jill Leonard (‎

Maternal stress, paternal care and early life experience: impacts on physiology and behaviour

Maternal exposure to stressors may affect deposition of nutrients, hormones and/or mRNA into eggs, providing cues that can program the physiological function and/or behaviour of the developing offspring. Paternal exposure to stressors may affect parental care, again providing cues that can impact offspring physiology and/or behaviour. This symposium will appeal to those interested in the links between physiology and behaviour, and how these links are influenced by direct or indirect exposure to stressors during early life stages.

Organizers: Kathleen Gilmour ‎(‎‎; Jennifer Jeffrey (

The Physiology of Sturgeons and their relatives

As basal actinopterygians, sturgeons and paddlefishes offer unique insight into the evolution of physiological systems in the more derived fishes. Often described as ‘living fossils’ this group of fishes have captivated humans for centuries. However, the life history of these fishes has also made them vulnerable to environmental change leading to a threatened or endangered conservation status for many species. This symposium gathers a group of international researchers investigating osmoregulation, acid-base/ion balance, stress physiology, metabolism and sensory physiology.

Organiziers: Gary Anderson (; Peter Allen (‎

Tropical fishes and their environment

This symposium will feature analyses of fish facing environmental perturbations in their habitats and under experimental conditions using a variety of technological approaches. The symposium welcomes everyone interested to share their findings, questions, and suggestions or to hear about the most recent and modern advances related to a highly diverse group of fish.

Organizers: Dal Val (; Vera Almeida-Val (])

Extrinsic and intrinsic factors controlling osmoregulation in fish

This symposium will focus on the intrinsic signaling agents that influence osmoregulatory processes to promote homeostasis. It will complement the traditional session on ionic regulation while specifically attracting speakers working in the field of endocrinology/neuroendocrinology.

Organizers: Pung-Pung Hwang (; Steve Perry (‎‎

Acoustic ecology of fish communication: Where do we go from here?

The symposium will bring together researchers interested in fish acoustic communication who use a range of techniques to investigate both ecological and evolutionary perspectives; from individual fish up to and including passive acoustic recordings at the ecosystem level. The goal of the symposium is to guide the field into the future by providing the next steps for acoustics as a natural signal in fishes.

Organizers: Dennis Higgs (; Craig Radford ?(

Fish nutrition in an era of molecular tools

This symposium will examine larval fish nutrition, bio-energetics of nutrition for fish, fish microbiota, the use of phytocompounds in fish diets, and fish nutrient metabolism. Specific emphasis will be given to how molecular tools are shaping our understanding of fish nutrition.

Organizers: Jurij Wacyk (; Jaime Romero (

Fish Migration Ecology: Patterns, Mechanisms & Consequences

Little is known about migratory patterns, the mechanistic drivers, or the ecological consequences of migration for most species of fish. Physiological adaptations that underlie migratory behaviors, novel methods used to unravel migratory histories, and consequences of migration for population dynamics and ecological processes will be covered. Presenters that use a variety of methods, alone or combination, including molecular and genetic assays, otolith chemistry and tissue stable isotopes, satellite and acoustic telemetry, and beyond are encouraged to participate.

Organizer: Ben Walther (

Swimming Physiology of Fish

Swimming is an important aspect of the life history of fish in the aquatic environment. However, the physiological effects of swimming on growth, metabolism, reproduction and immunity are not fully understood in fish. Improved knowledge on the swimming physiology of fish and its application to fisheries science and aquaculture (i.e. farming a fitter fish) is currently needed in the face of global environmental changes, high fishing pressures, increased aquaculture production as well as increased concern on fish welfare. For this purpose, this symposium intends to continue efforts to bring together scientists covering various aspects of the swimming physiology of fish and present the most up-to-date information on this relevant topic. This symposium is the continuation of successful symposiums held at the ICBF meetings in Barcelona (2010), Madison (2012) and Edinburgh (2014).

Organizers: Arjan P. Palstra (; Josep V. Planas (

Physiological lessons from two high CO2 worlds: future oceans and intensive aquaculture

Physiologists have known for decades that CO2 has a direct effect on fish in terms of acid-base and ion regulation, respiratory function, and aerobic performance. Recent studies have demonstrated that realistic CO2 levels projected for the end of this century have surprising and dramatic effects on fish behavior. The aquaculture industry, however, has been farming fish at very high CO2 levels in intensive recirculating aquaculture systems and aquaculture may provide key physiological insights as to how fish may adapt to the high CO2 levels predicted for natural aquatic environments in the future. This session aims to highlight the insights that the aquaculture and aquatic acidification communities (both marine and freshwater) can offer each other. By bringing together researchers from the climate change and aquaculture science communities this session will also stimulate discussion on determining the direction of future research priorities and the potential mitigation strategies that will help alleviate the negative impacts of high CO2.

Organizers: Rob Ellis (; Mauricio Urbina (; and Rod Wilson (

Stress in Fish Symposium

As in previous editions, this symposium will include the multiple aspects that are involved in the stress physiology in fish and the plasticity of physiological systems in response to environmental challenges. This session thus offers mechanistic insights into the understanding of hormone actions and the new strategies that bring together investigations right from organismal to molecular levels including hormonal signaling, interaction bewteen hormones and interaction with neural and endocrine regulatory systems. In particular, the symposium will include specific sections in which emphasis will be placed in the following: Responses to stressors, from local to systemic; stress and fish performance, impact and assessment; multiple stressors and cumulative stressors, additive or synergic effects and recovery patterns; the regulation of thyroid hormones, melatonin, serotonin and corticosteroids and the thyroid hormone-cortisol interference in fishes.

Organizers: Matt Vijayan ( and Lluis Tort (

Fish Cell Cultures as a Tool for Fish Physiology Research

The use of fish cell cultures provides a useful tool for both research of a variety of physiological systems related to fish biology such as growth (muscle and bone cell cultures), reproduction (pituitary and gonadal cell cultures), diseases (head kidney cells and macrophages) and many more, as well as environmental toxicology. This symposium will bring together researchers from various research areas that are using either primary or stable cell cultures that were obtained from various fish organs/tissues and have different characteristics (epithelial, neuronal, fibroblastic, etc.). The purpose of the symposium will be to share methodologies of preparing fish cell cultures and compare them with those from the same organs from other vertebrates. Presentations should include the use of these cells cultures to study factors affecting differentiation, gene expression, biological activity of recombinant proteins and peptides, receptor binding and cell signaling. This symposium is the continuation of successful symposia held at previous Congress meetings in Madison (2012) and Edinburgh (2014).

Organizers: Peggy Biga (, Isabel Navarro (, Encarnación Capilla (