n2 eels migration Migration in Fishes :
eel pata migration in fish 🐟 (anadromous )
• It is shown by those fishes which spend a major part of their life in the sea.
• n2 eels migration migrate from sea' to fresh water rivers and ponds for egg-laying (spawnings).
• Examples Salmon, Hilsa, Sturgeon, etc.
• single species of Atlantic Salmon (Salmon salar) and five species of Pacific Salmon (Oncorhynchus) shows anadromous migration.
n2 eels migration stan During winter (male and female) Salmon migrating from their feeding ground (sea) to the breeding ground (fresh water mountings streams dull Salmon fishes stop feeding and become reddish brown colour from silver colour
. Salmon fishes then make a nest by remowing shallow saucer-shaped pit in the bottom gravel After egg-laying (spawning), the adult Salmer fishes die. In some Atlantic species of Salmons, few adults have been survive.
After hatching, the larvae feed and grow in the rivers for only short period.
Afterwards, they migrate from rivers to sea. Salmon have strong olfactory sense determines ts homing stream and the original birth place because different streams have different odour
.
S (Acipenser) and trouts (Alosa) exhibl anadromous migration.
Salmon and Hilsa fishes have been found to trave several thousand miles in the sea and sever hundred miles in land to reach their spawne grounds.
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n2 eels migration .
n2 eels migration .
n2 eels migration .
n2 eels migration .
n2 eels migration .