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Home > Applications > Life Science Image Analysis > Otolith Analysis & Fish Aging

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Image-Pro for Aquatic Life Research

Image-Pro Premier is particularly well suited for fisheries research and quality assurance. Premier's selection of automated, semi-automated and manual options enables fish biologists and research technicians to extract valuable qualitative and quantitative information from images at different scales of both fresh and salt water species.

For over two decades Media Cybernetics has collaborated with the leading fisheries and research labs around the world in designing tailored, computer-based analysis of fish structures. The result is a suite of indispensable tools that has boosted the productivity of analytical labs at fish facilities.

Image-Pro Premier has replaced the tedium of manually detecting, counting and measuring features of interest with fast and reproducible methods. For example, Premier's Otolith plug-in's simple and intuitive protocol allows the user to measure otolith and fish scales ring structures at a speed and accuracy unmatched by other methods.

Selected Applications

Determine Age, Growth & Population Patterns
The Otolith plug-in enables fish biologists, ecologists, and research technicians to consistently and expediently determine age, growth, mortality, and physiological condition of fresh and salt water species from otolith's and scale's ring microstructures (e.i. annuli and circuli).
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Count & Measure Objects and Features
Premier's Count and Measure tools allows the user to separate, classify, count and measure macro- and microscopic features and objects. Parameters used in one experiment can be saved and recalled in future sessions to save time and ensure consistency.
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Extract Morphometric Information
Premier's Count and Measure tools also allow users to locate, isolate and measure anatomic features of whole fish and their parts. Parameters such as length, perimeter, area, and center of gravity, are just but a few of the characteristics that can be easily and accurately measured with Image-Pro.
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Selected References

Click on a link to download a PDF or link to the abstract of selected articles using Image-Pro® in aquatic life research.

Natanson, L. J.; Gervelis, B. J.; Winton, M. V.; Hamady, L. L.; Gulak, S. J. B., Carlson, J. K.
Validated age and growth estimates for Carcharhinus obscurus in the northwestern Atlantic Ocean, with pre-and post management growth comparisons. Environmental Biology of Fishes. (2014) 97:881-896.

Takeshita, F.; Tamura, R.
Optimal stocking density of juvenile red king crabs Paralithodes camtschaticus under cannibalism consideration. Fisheries Science (2014) 80:775-783.

Gao, L.; Duan, M.; Cheng, F.; Xie, S.
Ontogenetic development in the morphology and behavior of loach (Misgurnus anguillicaudatus) during early life stages Chinese Journal of Oceanology and Limnology September (2014) 32 (5):973-981.

Bouchard. C. D.; Robert, R.; Nelson, J.; Fortier, L.
The nucleus of the lapillar otolith discriminates the early life stages of Boreogadus saida and Arctogadus glacialis. Polar Biology (2013) 36 (10):1537-1542.

Black, B. A.; von Biela, V. R.; Zimmerman, C. E.; and Brown, R. J.
Lake trout otolith chronologies as multidecadal indicators of high-latitude freshwater ecosystems. Polar Biology. (2013) 36:147-153.

Fjelldal, P. G.; Totland, G.K.; Hansen, T.; Kryvi, H.; Wang, X.; Søndergaard, J. L.; Grotmol, S.
Regional changes in vertebra morphology during ontogeny reflect the life history of Atlantic cod (Gadus morhua L.). Journal of Anatomy. (2013); 222(6):615-624.

Leguá, J.; Plaza, G.; Pérez, D.; Arkhipkin, A.
Otolith shape analysis as a tool for stock identification of the southern blue whiting, Micromesistius australis Latin American Journal of Aquatic Research. (2013) 41(3): 479-489.

La Mesa, M.; Catalano, B.; Jones, C. D.
Early life history of the ocellated icefish, Chionodraco rastrospinosus, off the Antarctic Peninsula. Antarctic Science. (2013) 25 (3):373-380.

Murdoch, A.; Power, M.
The effect of lake morphometry on thermal habitat use and growth in Arctic charr populations: implications for understanding climate-change impacts. Ecology of Freshwater Fish (2013) 22 (3): 453-466.

Guyette, M. Q.; Loftin, C. S.; Zydlewskiab, J.
Carcass analog addition enhances juvenile Atlantic salmon (Salmo salar) growth and condition Canadian Journal of Fisheries and Aquatic Sciences (2013) 70 (6):860-870.

Pérez, A.; Fabré, N, N.
Spatial population structure of the Neotropical tiger catfish Pseudoplatystoma metaense: skull and otolith shape Variation Journal of Fish Biology (2013) 82: 1453-1468.

Overton, A.S.; Jones, N.A. ; and Rulifson, R. A.
Spatial and temporal variability in instantaneous rates of growth and mortality rates of larval river herring in Tar-Pamlico River, Pamlico Sound, North Carolina. Marine and Costal Fisheries. (2012) 4: 218-227.


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