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Kaluga

Huso dauricus

Huso dauricus (Kaluga)
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Distribution
no distribution map available
critically endangered



Profile status
Dossier:
not provided by us yet
WelfareCheck:
F (2021-11-18)
Advice:
not provided by us yet
Taxonomy
Order:
Actinopterygii
Class:
Acipenseriformes
Family:
Acipenseridae
Source:
Ethograms
In the wild:
not investigated by us yet
Farm/lab:
not investigated by us yet
Catch/lab:
not investigated by us yet
Habitat
Temperature:
FF6-21 °C
Photoperiod:
F8-16 h
Substrate:
Finsufficient data
Growth
Length:
not investigated by us yet
Weight:
not investigated by us yet
Maturity:
F14-23 years
Malformations:
Finsufficient data
Swimming
Home range:
no data found yet
Depth:
F2-11 m
Migration:
Fdepends
Activity type:
not investigated by us yet
Reproduction
Nest building:
Fno
Courtship:
no data found yet
Mating type:
no data found yet
Brood care:
no data found yet
Social behaviour
Aggregation:
Faggregation
Organisation:
not investigated by us yet
Aggression:
Finsufficient data
Handling
Stress | farm:
no data found yet
Slaughter | farm:
Fprepared
Stress | catch:
not investigated by us yet
Slaughter | catch:
not investigated by us yet
Commercial concerns
Frequency | farm:
no data found yet
Methods | farm:
Fvarying
Frequency | catch:
not investigated by us yet
Methods | catch:
not investigated by us yet

Farming remarks

Huso dauricus is a long-lived, late-maturing, and critically endangered sturgeon species endemic in the Amur basin. There are four populations: one lives in the estuaries and brackish waters of the Sea of Okhotsk and Sea of Japan, the second in the lower Amur, the third in the middle Amur, and the forth in the lower parts of the Zeya and Bureya rivers (Amur tributaries). H. dauricus' eggs are very valuable in the market, however, its meat is not as popular as the meat of other local fishes. Therefore, profitable H. dauricus farming is focused on eggs production. Russian and Chinese authorities enforce H. dauricus farms to do regular restocking of the wild populations. H. dauricus' late-maturing state and long period between spawning events make their farming very costly. Some farms specialised in the more profitable hybrid of Acipenser schrenckii x H. dauricus. However, farming of H. dauricus is strongly recommended to restock the decimated wild populations. Therefore, an effort should be made to study their needs in the wild, such as home range and social behaviour, and the best way to implement them in captivity, including a way to simulate their long migration, to reproduce them without forced maturation, and to slaughter them in a humane way.

For details see: WelfareCheck | farm (latest major release: 2021-11-18)

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