1K views · 44 reactions | Otolith bone extraction for aging fish. In an upcoming video we'll show you how to "count the rings". | Basin Tackle Online | Facebook
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1K views · 44 reactions | Otolith bone extraction for aging fish. In a…
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FM Tutorial 02 - Using Otoliths to Age Fish
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22 reactions | Marine Quest 2021 is tomorrow! This Science Snippet shows otolith removal methods with biologists from our Fisheries Dependent Monitoring program. Tune in Thursday, October 14th for Marine Quest 2021, virtual event - find out more: MyFWC.com/MarineQuest | Myfwc Fish and Wildlife Research Institute | Facebook
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22 reactions | Marine Quest 2021 is tomorrow! This Science Snippet s…
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FacebookMyfwc Fish and Wildlife Research Institute
How do you age a fish? As it turns out, kind of like a tree... Otoliths (Greek for “ear-stone”) are calcium carbonate structures found beneath the brain of most fish that aid in balance and hearing. Otoliths continuously accrete calcium carbonate throughout the fish’s life, forming bands on the otolith -- much like rings of a tree. Scientists can use these bands to tell the age of a fish. Scott France, our science lead on our previous Voyage to the Ridge expedition, explains more in this video.
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FacebookNOAA Ocean Exploration
How do you figure out how old a fish is? Very carefully. Most fish have small​ bones in their inner ears​ called otoliths, made of calcium carbonate. They’re located in a fish’s inner ear and help with hearing and balance. As a fish grows, new layers of calcium carbonate are deposited in layers, much like the growth patterns seen in tree rings. We can count the growth rings to determine the fish’s age. Why not determine their age based on their size or weight? Like humans, fish stop growing at a
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How do you figure out how old a fish is? Very carefully. Most fish have …
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