Pierre Meke, 2009 Biological Data – Specimen Collection, Tags, Identification
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Transcript of Pierre Meke, 2009 Biological Data – Specimen Collection, Tags, Identification
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Pierre Meke, 2009
Biological Data – Specimen Collection, Tags,
Identification
http://www.cnr.vt.edu/
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Objectives List 3 types of age structures Explain how to select a random otolith sample Describe 5 components of the species ID form
for Scorpaenidae Demonstrate your ability to complete the
Specimen Collection, Tag Encounter/Recovery and Species Identification forms
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Whole fish / invertebrates Reference collection / Unidentifiable / rare species
Take photo if can’t collect whole specimen Document on Specimen Collection form Preservation
Salt Ice Freezing * Chemicals
Label1. Specimen number, observer code, vessel code, date,
haul number, species name/code2. Length, weight, sex
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Age structures Scales
http://en.wikipedia.org
Bob Magnuson - http://eralabs.com
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Age structures Scales Spines / rays
http://www.fla-keys.com
http://www.michigan.gov/dnr/
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Age structures Scales Spines / rays Otoliths (inner
ear bones)
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Age structures Scales Spines / rays Otoliths
Image from Hanrahan et al.(1997)
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Age structures Scales Spines / rays Otoliths – remove membrane &
dry before storing
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Age structures Scales Spines / rays Otoliths Thorns / vertebrae
Image from Arkhipkin et al. 2008Image :S. Campana, Bedford Institute of Oceanography, Canada, http://earthguide.ucsd.edu/fishes/kinds/kinds_lifestyle.html
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Selecting individuals Species – depends on assignment Individuals
Whole fish / inverts – haphazard Age structures – random selection from length
sample
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Tags Atlantic bluefin tuna – tagging data
Image from Block et al. 2005
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Tags Conventional
Spaghetti/streamer Dart Disc/buttons
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Tags Conventional
Spaghetti Streamer Disc
http://www.dnr.state.md.us
http://www.azgfd.gov/w_c/Fish_Tagging_Marking_Techniques.shtml
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Tags Conventional Electronic
Archival (implanted)
http://www.iccat.int/en/Tag-Desc.htm
Drawing from Anon. (2008)
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Conventional Electronic
Archival Acoustic (implanted)
Tags
http://www.htisonar.com/http://www.pier.org/CA_coastal_tagging.shtml
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Tags Conventional Electronic
Archival Acoustic Pop-up (satellite; external)
http://www.tunalab.unh.edu/PSATresearch.htm
Drawings from Anon. (2008)
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Tags
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Tag rewards
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Species IdentificationGenus / Species Family Phylum / Class / Order Marine mammals Sea turtles Sharks & rays Bony fish: Tunas & tuna-like
fishes, see also country specific list in Appendix 1
Shrimp: Penaeus notialis, Penaeus kerathurus, Parapenaeopsis atlantica, Parapenaeus longirostris
Crab: Callinectes amnicola, C. pallidilus, Portinus validus, Callapa robroguttata
Lobsters: Panulirus regius, P. argus
Cuttlefish, octopus and squids: Sepia officinalis hieredda, Sepia bertheloti, Octopus vulgaris, Illex coindettii, Alloteutis africana, Loligo vulgari
Seabirds Fish: all except those listed
in Species column and country specific list
Phyla Porifera –sponges; ClassesScyphozoa – jellyfishPolycheataGastropoda – snails, limpets, nudibranchsPycnogonida – sea spidersCrinoidea – feather starsStelleroidea – starfishesEchinoidea – sea urchins, sand dollarsHolothuroidea – sea cucumbersOrderActinaria – sea anemonesScleractinia – coralsPennatula & Gorgonacea – sea pens, sea whips, sea fans
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Species Identification Forms Verification of ID Different forms for different groups
Sharks Rays, skates Scorpaenidae Flatfish Misc. Fish Crustacean Invert Seabirds
Check boxes for presence/absence & counts of various features
Elasmobranch ID
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Species ID – Scorpaenidae Scorpaena angolensis
Photo by: Pedro Niny Duarte(c)ImagDOP
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Palatine teeth - patches of small teeth on the palatine bones that are found on each side of the roof of the mouth
Occipital pit - a cavity in the hind portion of the upper surface of the skull.
http://www.wiscfish.org/fishid/wFrmGlossary.aspx
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Species ID –Misc. Fish
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Species ID –Misc. Fish
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Species ID - Crustaceans
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Activity Use information on handout to complete a
Specimen collection, Tag and Species ID form 15 minutes
Photo by: Pedro Niny Duarte; www.fishbase.org
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Summary Which age structures are commonly collected
from fish? Vertebrae ? Scales ? Otoliths ? Spines ?
How will you select fish for an otolith collection?
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Summary What do you do if you encounter a tag on a
retained fish?
What about a live fish that will be released?
When do you complete a species ID form? Every new fish on every trip? The first time you encounter a new fish? Once a year?
List 5 components on the Scorpaenidae species ID form
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References AFSC. 2009. North Pacific Groundfish Observer Program, 2010 Observer Sampling
Manual. North Pacific Groundfish Observer Program. Fisheries Monitoring and Assessment Division, Alaska Fisheries Science Center, 7600 Sand Point Way, NE, Seattle, WA 98115. Access at: http://www.afsc.noaa.gov/FMA/document.htm.
Anon. 2008. Report of the 2007 Meeting of the Ad Hoc Working Group on Tagging Coordination, Madrid, Spain, March 15-16, 2007 (SCRS/2007/018). ICCAT Coll. Vol. Sci. Pap. 62:1973-2028.
Arkhipkin, A. I., Baumgartner, N., Brickle, P., Laptikhovsky, V. V., Pompert, J. H. W., and Shcherbich, Z. N. 2008. Biology of the skates Bathyraja brachyurops and B. griseocauda in waters around the Falkland Islands, Southwest Atlantic. – ICES Journal of Marine Science, 65: 560–570.
Barbara A. Block, Steven L. H. Teo, Andreas Walli, Andre Boustany, Michael J. W. Stokesbury, Charles J. Farwell, Kevin C. Weng, Heidi Dewar & Thomas D. Williams. 2005. Electronic tagging and population structure of Atlantic bluefin tuna . Nature 434: 1121-1127
Hanrahan, J., D. J. Melindy, and J. V. Pelrine. 1997. At-sea Observer Program Operations Manual: A Training Aid and Field Reference. National At-sea Fisheries Observer Program, Department of Fisheries and Oceans, Ottawa, Canada.
Van Helvoort, G. 1986. Observer program operations manual. FAO Fisheries Technical Paper 275, FAO, Rome.
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Answers
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Answers
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