International Journal of Fisheries and Aquatic Studies
Volume 1, Issue 4, 2014
Comparative histology of corpuscles of Stannius in freshwater and sea water fishes
Author(s): Pruthvi raj C.Bedjargi, R.S.Kulkarni
Abstract: Morphology, number, location and histology of corpuscles of Stannius in six freshwater fishes and six sea water fishes have been investigated as these fishes have different aquatic habitat. The six fishes from freshwater are Notopterus notopterus, Labeo rohita, Tilapia mossambica, Channa punctatus, Channa marulius and Clarias gariepinus. The other six sea water fishes are Rastrelliger kanagurta, Hemiramphus far, Parastromateus niger, Sillago sihama, Pampus argenteus and Scoliodon laticaudus.
The histology of corpuscles of Stannius shows that the cells are active in both freshwater and seawater fishes. In marine fishes witch are associated with coral reefs the concentration of calcium increases in the reefs, the CS cells are more active than the fresh water fishes of fresh water, thus indicating calcium is a factor for the activity of corpuscles of Stannius in fishes. The histological observation shows that three types of cells found and one type (type-I) of cell is predominant and found to be active.
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