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Lad Akins - Director of Special Projects, REEF
REEF Citizen Science…Conservation successes and data needs
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• Marine conservation non-profit
• Headquarters in Key Largo, FL
• Over 67,000 members
• Programs include…
• Volunteer Fish Survey Project
• Exotic Species Program
• Grouper Moon Project
• Education Programs
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VOLUNTEER FISH SRUVEY PROJECT
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Roving Diver Technique
• Free swimming range around dive site (within 100m)
• Record all species positively identified
• Estimate relative abundance for each species
Single (S) -1Few (F) - 2-10Many (M) - 11-100Abundant (A) - >100
• Enter data on-line (www.reef.org)
Schmitt, E. F. and Sullivan, K. M. 1996. Analysis of a volunteer method for collecting fish presence and abundance data in the Florida Keys. Bulletin of Marine Science, 59(2), 404-416.
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REEF Observer Experience Levels
Levels 1-5 based upon• Number of surveys conducted• High passing scores on visual ID exams• Maintaining proficiency via surveying and testing
Levels 1-3• Considered “Novice”• Used to encourage participation• Valuable for most common species
Levels 4 and 5• Considered “Expert”• Used in Advanced Assessments• Valuable for quality observations and assistance in other projects
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RESULTSOnine db 8 million records
50+ papers
To Date:
• 227,302 surveys• Over 8 Million fish records• Over 50 scientific publications
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EXOTIC SPECIES – ED/RR
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Non-Native, Exotic, Invasive
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Lionfish in the Atlantic
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Lionfish DistributionRed Lionfish – Pterois volitansDevil Firefish – Pterois miles
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2015
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64 PREY FISH PLUS A SHRIMP!
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Impact of lionfish on Bahamian reef fishesUp to 95%
reduction in prey biomass between
2008-2010
Green et al 2012
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Local control can be effective
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Targeted removals
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REEF’S 2018 LIONFISH DERBY SERIES PRESENTED BY WHOLE FOODS MARKET®
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Before After
Lionf
ish p
er h
ecta
re
DERBIES REDUCED LIONFISH 52% OVER 192KM2
Green et al, 2017
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FISH #81782,683 DETECTIONS
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2017 Beattie et al
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Deepwater Lionfish StudyTraps and Acoustics
Design• 24 sites• 2 trap designs• acoustic broadcast of lionfish sounds• extended time lapse go pros• bi-monthly (every two weeks)
retrievals
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GROUPER – A CARIBBEAN ICON
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GROUPER MOON(2002-2018)
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2016 CAYMAN REGULATIONS
•All take, possession, or sale of Nassau Grouper is prohibited from December through April, inclusive (during the spawning months for the species)
•When take is permitted (May – November), only fish between 16"-24” can be kept and no more than 5 Nassau Grouper per fishing vessel per day can be kept
•Nassau Grouper may not be taken on spear gun
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GOLIATH GROUPER
Protected in FL since 1990Localized recoveryPressure to re-open the fishery
April 26, 201859 individuals spokeFisheries independent data required
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REEF DATA (N=155,265 from 11,379 vols at ~1,500 sites)
Historically 1-5% sighting frequency (FL and Carib)
Result: Fishery was not re-opened
In past two years…
15% in GoM!
5% in FL Est coast
3% in Keys
>1% in Carib
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Thankyou!