7016

• UCREFRP Catalog Number: 7016
• Author: Larval Fishes Laboratory.
• Title: Development of Marking and Otolith-ageing Techniques for Colorado Squawfish
• USFW Year: 1986.
• USFW - Doc Type: Report on Study-Phase 1.
• Copyright Material: NO

Table 1: Summary of marking methods.
V
OTOLITH MARKERS
Life Method of Retention Method of Use in
Treatment stage exposure Mortality time detection field
Env. manipulation
Temperature E, ? , O III L L LM P
Chemical markers
Acetazolamide E,L IJ L L LM,SEM F-G
Trace element E, L I.M, IJ L L SEM, X-ray F-G
Tetracycline E,L,O DI,IM,IJ L L UV G
BODY MARKERS
Stains/dyes E,L,O DI,IM,IJ M-H S UA F-G

Life stages: E - embryo, L - larvae, O - other (juvenile or adult).
Method of exposure: DI - diet, IJ - i njection, IM - immersio n.
Mortality: L - low, M - moderate, H - high.
Retention time: L - long , M - medium, S - short.
Method of detection: LIX - light microscopy, UV - ultraviolet microscopy,
-EM - scanning electron microscopy, _i- ray - x-ray spectrometr y, UA - unaided.
Use in field: P - Door, F - fair, G - good.
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