Mrigal

Cirrhinus mrigala

Cirrhinus mrigala (Mrigal)
Taxonomy
    • Osteichthyes
      • Cypriniformes
        • Cyprinidae
          • Cirrhinus mrigala
Habitat
Temperature:
no data found yet
Salinity:
Sfresh water
Photoperiod:
S10-14 h
Substrate:
no data found yet
Trophic level:
Not investigated by FEB yet.
Growth
Length:
Not investigated by FEB yet.
Weight:
Not investigated by FEB yet.
Maturity:
S2.0 years
Malformations:
Syes
Morphology:
Not investigated by FEB yet.
Swimming
Home range:
no data found yet
Depth:
no data found yet
Speed:
Not investigated by FEB yet.
Migration:
Spotamodromous
Type:
Not investigated by FEB yet.
Reproduction
Nest building:
no data found yet
Courtship:
no data found yet
Mating type:
no data found yet
Fecundity:
Not investigated by FEB yet.
Brood care:
no data found yet
Social behaviour
Aggregation:
no data found yet
Organisation:
Not investigated by FEB yet.
Aggression:
Syes
Handling
Farming frequency:
501,402 t/year 2018
Farming stress:
Syes
Slaughter protocol:
Sno

Farming remarks

Cirrhinus mrigala
Li0  ❘  Po0  ❘  Ce0

Cirrhinus mrigala is – besides Labeo catla and L. rohita – one of the three Indian major carps cultivated widely in Southeast Asian countries. This species can be found in fresh waters of northern India, Bangladesh, Burma, and Pakistan and has been introduced into waters of other parts of India and adjacent countries – including China – and to parts of Asia as well as Europe. Despite that, there is limited information about this species in natural conditions, especially about substrate and aggregation needs. C. mrigala is often raised in polyculture systems with other carps, and structures such as bamboo poles can be used as periphyton substrate in these systems, reducing competition for food between carps with different feeding habits. This species has a narrow range in food variety. As a bottom feeder, complete harvesting of C. mrigala is possible only through draining, and such difficulty makes this species the least preferred one among the three Indian major carps for farmers. Moreover, its entire life cycle is closed in captivity, but apparently it is still necessary to induce the reproduction by hormonal manipulation. Information about adults under farming conditions is scarce, probably because this species is sold before reaching maturity. C. mrigala is mostly sold fresh in local markets, but it is a common practice that fishes are harvested, packed with crushed ice at a ratio of 1:1 in rectangular plastic crates, and transported – sometimes for long distances – to be sold as fresh as possible. Thus, post-harvest processing of this species is almost non-existent. Further research is needed on the stunning and slaughter process, besides the stress response of this species. 





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