Yangtze Sturgeon (Acipenser Dabryanus) - Sturgeons

Pond Life - Yangtze Sturgeon (Acipenser dabryanus) - Sturgeons http://www.pond-life.me.uk/sturgeon/acipenserdabryanus.php

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Contents Yangtze Sturgeon (Acipenser dabryanus) Home Sturgeons Acipenseriformes Sturgeon Food & Feeding Sturgeon Care Sheet Sturgeon Guide Sturgeon Species List Adriatic Sturgeon Alabama Sturgeon Amu Darya Sturgeon Amur Sturgeon Atlantic Sturgeon Beluga Sturgeon Chinese Paddlefish

Chinese Sturgeon Yangtze Sturgeon (Acipenser dabryanus) photo from the website of CAFS Common Sturgeon (http://zzzy.fishinfo.cn/) Diamond Sturgeon

Dwarf Sturgeon by Karen Paul Green Sturgeon Description: The Yangtze Sturgeon (Acipenser dabryanus) has 8-13 dorsal scutes, 26-39 lateral Gulf Sturgeon scutes, 9-13 ventral scutes, 44-57 dorsal fin rays and 25-36 anal fin rays. Colouration ranges from Kaluga Sturgeon dark grey to brown-grey on the back to white on the ventral side. The body is rough because it is Lake Sturgeon covered with small pointed denticles. The four barbels are located closer to the mouth than the end Paddlefish of the snout. The Yangtze Sturgeon can reach 1.3 meters in length and a weight of 16kg. Pallid Sturgeon Persian Sturgeon Sakhalin Sturgeon Ship Sturgeon Shortnose Sturgeon Shovelnose Sturgeon Siberian Sturgeon Stellate Sturgeon Sterlet Syr Darya Sturgeon White Sturgeon Yangtze Sturgeon Sturgeon Videos Koi Other Fish

Fish Health Yangtze Sturgeon (Acipenser dabryanus) photo from the website of CAFS Ponds (http://zzzy.fishinfo.cn/) Plants

Forums Wild Distribution: Asia; restricted to the upper and middle reaches of the Yangtze River system, Search rarely seen below the Gezhouba Dam. The Yangtze Sturgeon is a potamodromous (freshwater only) species. Our Other Sites

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Registered with the UK Copyright Service Registration No:311386 Yangtze Sturgeon (Acipenser dabryanus) wild distribution map

Vulnerability: The Yangtze Sturgeon is listed as 'Critically Endangered' on the IUCN Red List of Threatened Species. The decline is believed to be due to over fishing, habitat destruction (including dams) and poor water quality.

Three Gorges Dam (left) and Gezhouba Dam (right) from space

Biology: The Yangtze Sturgeon is a benthic (bottom dwelling) species. Females reach sexual maturity at 6-8 years of age and males at 4-7 years with spawning intervals of 1-2 years. Spawning occurs March-April and occasionally November-December.

Yangtze Sturgeon (Acipenser dabryanus) photo from the website of CAFS (http://zzzy.fishinfo.cn/)

Natural feeding: The Yangtze Sturgeon's natural diet includes oligochaetes, small fishes, crustaceans, molluscs and aquatic insect larvae.

Scientific classification:

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Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Superclass: Osteichthyes Class: Actinopterygii Subclass: Chondrostei Order: Acipenseriformes Suborder: Acipenseroidei Family: Acipenseridae Subfamily: Acipenserinae Genus: Acipenser Species: Acipenser dabryanus Duméril, 1869

Links: Encyclopedia of Life | FAO Species Fact Sheet | Fishbase | ITIS | World Register of Marine Species

Common Names: Dabry's Sturgeon, River sturgeon, Yangtze Sturgeon

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