Where

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Wheres the Fish?
Atwood
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Fish identification
1. Aids to identification 2. Test and
identification (concurrent) - Display
picture - Record what you think it is -
Instant answer! 3. Discuss key
characteristics Make notes!
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Aids to identification
1. Books 2. Cheat sheet 3. YOY
identification flow diagram
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Aids to identification
1. Humann, Paul. 1996. Coastal Fish
Identifications California to Alaska. First
Edition. New World Publications, Jacksonville,
FL. 2. Eschmeyer, W.N., E.S. Herald and H.
Hammann. 1983. A Field Guide to Pacific Coast
Fishes of North America. First Edition.
Houghton Mifflin, Boston, MA (Peterson Guide) 3.
Gotshall, D. 1989. Pacific Coast Inshore
Fishes. Third Edition. Sea Challengers,
Monterey, California. 4. Miller, D. J. and R.
N. Lea. 1972. Guide to the Coastal Marine
Fishes of California. California Fish Bulletin
Number 157. University of California.
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Cheat sheet
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YOY identification flow chart
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Juvenile rockfish identification guide
Deep body
Elongate body
Dorsal spot
No spot
Dorsal spot
No spot
Clear lateral line on bottom Canary (SPIN)
Long maxilla Bocaccio (SPAU)
Maroon mottling Blue (SMYS)
Solid red, black anal fin Vermilion (SMIN)
Unidentified YOY
No white dorsal spots, clear tail, uniform
color Black (SMEL)
Brown bars on light body (KGB complex)
White dorsal spots, yellow fins (including
pectoral) Olive-yellowtail complex (OYT)
Clearing on lateral line Copper (SCAU)
Y on 4th bar Kelp (SATR)
No Y, no clearing, but big enough to have these
markings Gopher-Black/yellow (GBY)
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Identification Review
1) Images of juveniles and adult life stages 2)
Distinguishing dimorphic sexes 3) Identifying
key distinguishing features
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OYT Olive-Yellowtail Complex
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KGB Kelp-Gopher-Black and Yellow Complex
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Shiner Surfperch Cymatogaster aggregata CAGG
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Opaleye Girella negricans GNEG
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Halfmoon Medialuna califoniensis MCAL
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YOY identification flow chart
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Deep Bodied Juvenile Fish
Figurski
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Deep Bodied with Dorsal Spot
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Deep Bodied with no Dorsal Spot
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Elongate Bodied Juvenile Fish
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Elongate Bodied with Dorsal Spot
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Elongate Bodied with no Dorsal Spot
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Juvenile rockfish identification guide
Deep body
Elongate body
Dorsal spot
No spot
Dorsal spot
No spot
Clear lateral line on bottom Canary (SPIN)
Long maxilla Bocaccio (SPAU)
Maroon mottling Blue (SMYS)
Solid red, black anal fin Vermilion (SMIN)
Unidentified YOY
No white dorsal spots, clear tail, uniform
color Black (SMEL)
Brown bars on light body (KGB complex)
White dorsal spots, yellow fins (including
pectoral) Olive-yellowtail complex (OYT)
Clearing on lateral line Copper (SCAU)
Y on 4th bar Kelp (SATR)
No Y, no clearing, but big enough to have these
markings Gopher-Black/yellow (GBY)
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Juvenile rockfish identification guide
Elongate body
Deep body
No spot
Dorsal spot
Dorsal spot
No spot
Maroon mottling Blue (dorsal spot in early
stages) (SMYS)
Solid red, black anal fin Vermilion (SMIN)
Long maxilla Bocaccio (SPAU)
Brown bars on light body (KGB complex)
Y on 4th bar Kelp (SATR)
No white dorsal spots, clear tail, uniform
color Black (SMEL)
Clearing on lateral line Copper (SCAU)
White dorsal spots, yellow fins (including
pectoral) Olive-yellowtail complex (OYT)
No Y, no clearing, but big enough to have these
markings Gopher-Black/yellow (GBY)
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