All fish look the same? Not all. But some do…
My clients and I certainly tell you that we can tell our pet fishes apart from one another. But how can you tell the difference in fishes that you don’t get to know and rarely see? For example, for research purposes.
I found a great site that offers all the different options available to researchers and things that need to be taken into consideration include the welfare of the fish, practicality and cost.
- Biological (Natural Methods)
-Parasitic Marks
-Morphological Marks
-Genetic Marks - Chemical (immersion, injecting, tattooing, or feeding; of alizarin, oxytetracycline, calcein)
- Physical Internal
-Body Cavity tags
-Subcutaneous tags
-Coded Wire tags
-Microtags
-Passive Integrated Transponder tags (PIT)
-Thermal Tags
-Radio tags
-Sonar tags
-DST GPS Fish Tag, Fish Positioning Sounder and Simrad GPS Sonar - Physical External
-Mutilation
-Branding
-Visable Implant Elastomer (VIE)
-Petersen discs
-Paper fasteners
-Strap tags
-Dangler tags
-Carlin tag
-Spaghetti tag
-Dart tags
-Anchor tag (Floy tags)
The link to the full article can be found here – http://www.azgfd.gov/w_c/Fish_Tagging_Marking_Techniques.shtml
