Schedule of Events

Tuesday, October 8th

7:00-8:30 Presentation Upload for Day 1 Speakers

7:30-8:30 Breakfast

8:30-9:00 IGFA/Wild Oceans/HSWRI Welcome Jason Schratwieser/Rob Kramer/Don Kent

9:00-9:10 Co-Chairs Welcome Bruce Pohlot/Gerard DiNardo

9:10-9:45 Keynote Barbara Block

9:45-10:00 Coffee break

Movement and Habitat Use Session 1

10:00-10:20 Anne-Elise Nieblas - Company for Open Ocean Observations and Logging (COOOL): Findings from 111 satellite tags deployed on Indian Ocean billfish during the FLOPPED project

10:20-10:40 Eric Orbesen - NOAA Southeast Fisheries Science Center: Movement behavior of white marlin (Kajikia albida) satellite-tagged in the Eastern North Atlantic

10:40-11:00 Barrett Wolfe - Institute for Marine and Antarctic Studies, University of Tasmania: Movement behaviour of swordfish provisions connectivity between the temperate and tropical southwest Pacific Ocean

11:00-11:20 Chugey Sepulveda - Pfleger Institute of Environmental Research: Using electronic tags to inform on swordfish stock structure and fishery development in the Eastern North Pacific

11:20-11:40 Martin Arostegui - Department, Woods Hole Oceanographic Institution: Fishery-independent and -dependent movement data aid in defining the stock structure of a data-deficient billfish

11:40-12:00 Wei Chuan (Riyar) Chiang - Eastern Fishery Biology Research Center, Fisheries Research Institute, Taiwan: Environmental influences on the vertical movements of blue marlin (Makaira nigricans) in the northwest Pacific Ocean

12:00 Lunch

Movement and Habitat Use Session 2

1:00-1:20 Peter Gaube - Applied Physics Laboratory, University of Washington: The structuring of open ocean ecosystems by eddies, meanders, and fronts

1:20-1:40 Samantha Andrzejaczek - Hopkins Marine Station, Stanford University: Illuminating the effects of the moon: ecological impacts of the lunar cycle on tuna, billfish, sharks and rays

1:40-2:00 Ryan Logan - Nova Southeastern University: Patrolling the border: Billfish exploit the hypoxic boundary created by the world's largest oxygen minimum zone

2:00-2:20 Nima Farchadi - San Diego State University: The Press and Pulse of Climate Change on Billfish Spatiotemporal Distributions

2:20-2:40 Camrin Braun - Biology Department, Woods Hole Oceanographic Institution: Using top predators and novel technologies to explore and understand the deep ocean

2:40-3:00 Danielle Haulsee - Hubbs-SeaWorld Research Institute: Two Decades of Electronic Tagging Efforts for Blue Marlin and Sailfish in the Eastern Tropical Pacific

3:00-3:20 Coffee break

Movement and Habitat Use Session 3

3:20-3:40 Martin Arostegui - Biology Department, Woods Hole Oceanographic Institution: Satellite-linked tag technology enables billfish research at finer scales

3:40-4:00 Jiangang Luo - Rosenstiel School of Marine, Atmospheric, Earth Sciences , University of Miami: Recent improvements in Geolocation methods: Use of machine learning and ocean models to bridge the gaps in satellite tagging data

4:00-5:00 Panel Discussion on Satellite Tagging

5:00-7:00 Poster Session in Courtyard of HSWRI

Biology/Fisheries Session 1

8:40-9:00 Matthew Hammond - Charles Darwin University: The role of life cycles in temperature resilience and global billfish distributions

9:00-9:20 Ciara Willis - Woods Hole Oceanographic Institution, MIT-WHOI Joint Program in Oceanography/Applied Ocean Science and Engineering: Dining in the deep: Quantifying the contribution of twilight zone food webs to swordfish and tunas across seasonal migrations

9:20-9:40 Antonella Preti - Institute of Marine Studies, University of California Santa Cruz: Feeding Ecology of Broadbill Swordfish (Xiphias Gladius) in the California Current

9:40-10:00 Coffee Break

Biology/Fisheries Session 2

10:00-10:20 Sylvain Bonhommeau - IFREMER: Biometric and allometric relationships for billfish species in the Indian Ocean: towards a global open database

10:20-10:40 Nelson Ehrhardt - Rosenstiel School of Marine, Atmospheric and Earth Sciences, University of Miami: On the long term catch rate trends of Black Marlin, Istiompax indica, and Sailfish, Istiophorus platypterus, in the eastern-most regions of the Tropical Eastern Pacific Ocean off the coast of Panama

10:40-11:00 Yi-Jay Chang - Institute of Oceanography, National Taiwan University: Estimation of the two-stanza growth curves with ageing uncertainty for the Pacific blue marlin (Makaira nigricans)

11:20-11:40 Michelle Sculley - NOAA/NMFS Pacific Islands Fisheries Science Center: Incorporating Environmental Data into a Stock Assessment Model and Future Population Projections

11:40-12:00 Jon Brodziak - NOAA Fisheries, Pacific Islands Fisheries Science Center: Rethinking Billfish Reference Points

12:00-1:00 Lunch

Biology/Fisheries Session 3

1:00-1:20 Jaime Alvarado-Bremer - Texas A&M University at Galveston, Department of Marine Biology: Distinct evolutionary arrangement of the male billfish urogenital system with implications towards sex identification by external examination

1:20-1:40 Sylvain Bonhommeau - IFREMER: Genetic and epigenetics tools to estimate the chronological age and sex of swordfish (Xiphias gladius)

1:40-2:00 Laura Smith - School of the Environment, The University of Queensland: Sailﬁsh science: building collaborations to delineate the global population structure of a migratory pelagic ﬁsh

2:00-2:20 Thomas Chevrier - Company for Open Ocean Observations and Logging (COOOL): Genetic techniques to investigate population structure and estimate population size of Indian Ocean swordfish, Xiphias gladius

2:20-2:40 Jan McDowell - Virginia Institute of Marine Science: Using Genetics to Further the Understanding of Istiophorid Billfishes: How Far Have We Come?

2:40-3:00 Jackson Martinez - Virginia Institute of Marine Science, William & Mary: Taking Stock of the Population Genetic Structure of Striped Marlin, Kajikia audax, in the Central North Pacific Ocean

3:00-3:20 Coffee break

Biology/Fisheries Session 4

3:20-3:40 Jhen Hsu - Institute of Oceanography, National Taiwan University: Applying multi-species spatiotemporal models to guide the reduction of bycatch in longline fisheries

3:40-4:00 Emilius Aalto - Hopkins Marine Station, Stanford University: Overlap between Atlantic fishing fleets and distributions of highly migratory pelagic species reveals hotspots of potential management interest

4:00-5:00 Panel Discussion on the Current State of Billfish Management: What is Needed, Where Do We Go From Here?

5:00 Adjourn

6:00-7:30 Dinner at The Dana on Mission Bay

Biology/Fisheries Session 5

8:40-9:00 Andrea Schmidt - PIFSC/CIMAR: Using a 20-year time series to understand larval habitat and seasonality of four billfish species in West Hawaiʻi’s ‘Kona Hotspot’.

9:00-9:20 Yanli Jia - International Pacific Research Center-University of Hawai`i at Mānoa: Computer simulations of larval billfish movements

9:20-9:40 Michael Musyl - Pelagic Research Group LLC: Systematic Review and Meta-Analysis of Larval Istiophorid Distribution Patterns in the Pacific Ocean with Relevance for Management

9:40-10:00 Coffee Break

Biology/Fisheries Session 6

10:00-10:20 Julian Pepperell - Pepperell Research & Consulting Pty Ltd: Dear Diary: Fifty years of self-recorded catch-effort data from the black marlin heavy tackle charter fishery off the Great Barrier Reef, Australia

10:20-10:40 Sean Tracey - Institute for Marine and Antarctic Studies, University of Tasmania: Evaluation of catch and release practices in a recreational swordfish (Xiphias gladius) fishery in southeast Australia

10:40-11:00 Derke Snodgrass - NOAA Fisheries Southeast Fisheries Science Center: Estimation of increasing catchability of recreational fishing fleets through the use of magazine data and stock assessment

11:20-11:40 Nelson Ehrhardt - Rosenstiel School of Marine, Atmospheric and Earth Sciences, University of Miami: On the seasonal availability and catchability of Sailfish, Istiophorus platypterus, in the Tropical Eastern Pacific Ocean off Guatemala

11:40-12:00 Tristan Guillemin - School of Natural Sciences, Macquarie University: Interviewing anglers to understand changing catch composition in the 100-year-old east coast marlin fishery

12:00-1:00 Lunch

Human Dimensions Session 1

1:00-1:20 Jeff Kneebone - Anderson Cabot Center for Ocean Life at the New England Aquarium: Characterizing recreational fishing effort for billfishes and other pelagic fishes in relation to wind development in the Atlantic, Gulf of Mexico, and US Caribbean

1:20-1:40 Nelly Kadagi - World Wildlife Fund: Strengthening capacity for billfish research and science in the Western Indian Ocean

1:40-2:00 Marina Marrari - Costa Rican Sportfishing Federation, FECOP: Marine recreational fisheries in Costa Rica: Opportunities for coastal community development

2:00-2:20 Sylvia Adisa - University of Florida: Understanding contributions of women in billfish fisheries: A Kenyan case study

2:20-2:40 Kevin Rafferty - Halmos College of Arts and Sciences, Nova Southeastern University: Census of Non-U.S. Billfish and Swordfish Recreational Tournaments in the ICCAT Convention Area

2:40-3:00 Laura Smith - The University of Queensland: How can we motivate citizen scientists to help uncover the secrets of billfish?

3:00-3:20 Coffee break

Human Dimensions Session 2

3:20-3:40 Damian Martinez-Fernandez - Costa Rican Sportfishing Federation, FECOP: Review of marine recreational fisheries regulations for billfish in Central America

3:40-4:00 Cliff Hutt - NOAA Fisheries Office of Sustainable Fisheries, Atlantic Highly Migratory Species Division: Managing the Apex of Sportfish: The Case of U.S. Atlantic Billfish Management

4:00-5:00 Recreational Fishery Role in Conservation and Management: How can the recreational fishing community contribute?