Sunday, 11th October 2026
Registration
Welcome reception
Monday, 12th October 2026
Registration desk is open
Dr. Tamás Müller
Plenary lecture
Session 1 - Oocyte biology, gamete compatibility and fertilisation
Uroš Ljubobratović
Does nest mating make gametes match?
Olga Bondarenko
Beyond water activation: Membrane permeability and the hidden vulnerability of fish reproduction
Coffee break
Aarón Torres Martínez
Morphological and molecular signatures of ovarian ageing in zebrafish
Buumba Hampuwo
Environmentally relevant concentrations of microplastics translocate into gametes in a sex-specific manner, altering their physiology without impairing mean reproductive output in brown trout
Elvira Fatsini
Culture environment influences gonadal reproductive pathways in Mugil cephalus
Tomáš Tichopád
Why triploid zebrafish refuse to become female: Rewiring of hormonal control in sex differentiation
Yihui Mei
Gamete ploidy engineering overcomes inter-family reproductive isolation in teleost fish
Lunch
Session 2 - Germline development and sex differentiation
Roman Franek
Temporal redistribution of germline proliferation links developmental timing to life-history strategy in annual killifish
Xiaojuan Cao
Cdk1 deficiency triggers premeiotic endoreplication and unreduced sperm formation via the Cdk2/Ccne1–Fzr1a pathway in loach
Essaikiammal Konar
Young gonadal environment reverses male reproductive ageing
Toshiya Nishimura
Functional analysis of DND1 and NANOS3 domains during primordial germ cell-like cell induction in medaka
Coffee break
Martin Pšenička
Sturgeon embryos as a model for germline specification: Mitochondrial contributions and evolutionary insights
Taishi Shimabukuro
Identification of downstream factors of DND1 and NANOS3 involved in PGC formation using TRIBE
Moe Takeuchi
Germ cells derived from haploids undergo genome doubling during the stem cell-like division phase in medaka
Yáiza Fernández Jorreto
Trials for the in vitro maturation of small-spotted Catshark oocytes
Poster Session
Tuesday, 13th October 2026
Registration desk is open
Dr. Ozren Boganović
Plenary lecture
Session 3 - Omics and molecular profiling in fish reproduction
Ignacio Fernandez
REPHEAT project: Multi-omic approaches to unveil potential transgenerational effects and mechanisms of climate change in Oncorhynchus mykiss
Rafael Nobrega
Single-cell transcriptomic atlas reveals an interplay between germ cells and the immune system during the resumption of spermatogenesis in adult zebrafish
Coffee break
László Orbán
The male-to-female transformation process begins with a return to a near-undifferentiated transcriptomic state in the gonad of the protandrous Asian seabass
Xuan Xie
Single-nucleus multi-omics reveals a transition-decoupled oocyte state during ovarian development in Decorus tungting
Daniel Żarski
Ovulation-driven transcriptomic reorganisation defines maternal RNA provisioning in pikeperch oocytes
Joanna Nynca
Transcriptomic and proteomic signatures of early in vivo post-ovulatory ageing in pikeperch eggs
Sonali Kaththriarachchi
Combined physicochemical and proteomic profiling identifies biochemical associations of oocyte quality and fertilisation outcome in Atlantic salmon
Lunch
Session 4 - Spermatogenesis and germline cell technologies
Alex Kojo Datsomor
Development of an in vitro culture system for Atlantic salmon germ-cell propagation, transplantation and genetic manipulation
João Ferreira
Establishment of a 3D testicular organoid system using AggreWell as a novel tool to study spermatogenesis in fish
Marta Lombó Alonso
Short-chain fatty acids as guardians of fish spermatogenesis
Zoran Marinović
Utilisation of microfluidics for the successful enrichment of spermatogonial stem cells
Coffee break
Rüdiger Schulz
Photoperiod and feeding alter the timing and incidence of entering pubertal spermatogenesis in Atlantic salmon grilse
Sheyda Shapouri
Direct evidence of the phagocytic properties of in vitro cultured zebrafish Sertoli cells toward spermatogonia
Anna Majewska
Temperature-dependent regulation of Secreted Novel AID/APOBEC-like deaminases in common carp gonads
Olivér Máté Szabó
An accelerated selection method yields a pigment-deficient transgenic reporter line in zebrafish to study gonadal transformation
Poster Session
Wednesday, 14th October 2026
Registration desk is open
Dr. Rosana Estevez
Scaling up Atlantic salmon sperm cryopreservation: from research-scale trials to commercial hatchery production - Plenary lecture
Session 5 - Spermatology
Serhii Boryshpolets
Restoring the biological meaning of CASA parameters using high-frame-rate sperm tracking
Leonor Ferrão
What defines high- and low-quality sperm samples? An integrative analysis in the European eel
Coffee break
Vitaliy Kholodnyy
Ovarian fluid enhances sperm performance but shows species-specific effects across native and introduced salmonids in Japan
Laurine Mueni
Rheological properties of fertilisation media shape sperm motility, interaction behaviours and diversification across fertilisation strategies
Zhijun Ma
Effects of short-term storage on sperm quality and epigenetic modifications in common carp
Gregory Brayan Valdivia Gutiérrez
Post-mortem sperm kinetics in jundiá: Establishing collection windows based on rigor mortis progression
Sylwia Wałdowska
Post-thaw sperm storage as a tool for identifying paternal-effect genes in Eurasian perch
Lunch
Session 6 - Aquatic germplasm conservation
Jack Koch
Integrating open technologies and germplasm repositories to support community efforts to safeguard aquatic species
Irene Martí Gil
Connecting continents through aquatic germplasm: The AGGRC mission in a global context
Jhony Lisboa Benato
Democratising access to cryopreservation technologies: A South American perspective on open-hardware solutions
Anatolii Sotnikov
Scalable large-volume cryopreservation of fish sperm using simplified hypotonic media
Coffee break
Danilo Streit Jr
Sperm cryopreservation protocols in Serrasalmidae, the main South American native aquaculture group: A systematic review
Maria Mafalda Almeida
Robust maintenance of the paternal methylome following sperm cryopreservation and its transmission to early embryos in common carp
Atife Tuba Beken
Investigation of mitochondrial proteins in cryopreserved rainbow trout sperm