detection-of-shoal
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detection-of-shoal [2016/08/15 23:02] DokuWiki Administrator created |
detection-of-shoal [2016/08/15 23:45] (current) DokuWiki Administrator |
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| Pattering Shoals:- this is also a shoal pattern of sardine fish locally known as meenpadam. It is observed in the month of October –December. Pattering is characterized by frequent small noises either simultaneous or in quick succession which look like the sound of rain drops falling in the sea. Pattering shoals are common during nights than day time. | Pattering Shoals:- this is also a shoal pattern of sardine fish locally known as meenpadam. It is observed in the month of October –December. Pattering is characterized by frequent small noises either simultaneous or in quick succession which look like the sound of rain drops falling in the sea. Pattering shoals are common during nights than day time. | ||
| Rippling Shoals: The formation of ripples is a characteristic of shoals moving at the surface and is called by the local fisherman as polappu . Rippling is noticed even when the wind is heavy. Rippling areas are more clearly surrounded than in the case of other type of shoals. Since they are actually in contact with surface of water,it is commonly seen during the month of June-July. | Rippling Shoals: The formation of ripples is a characteristic of shoals moving at the surface and is called by the local fisherman as polappu . Rippling is noticed even when the wind is heavy. Rippling areas are more clearly surrounded than in the case of other type of shoals. Since they are actually in contact with surface of water,it is commonly seen during the month of June-July. | ||
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| + | [[https://youtu.be/dG9VpBKJSM0]] | ||
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| + | This shining of fish shoal is locally called "Kavradikkal" | ||
detection-of-shoal.txt · Last modified: 2016/08/15 23:45 by DokuWiki Administrator
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