To observe anatomy of the Hucho tai men digestive system

describe the morphological characteristics of the teeth

tongue and gill rakers which were related with feeding; measurement of body length

head length

snout length

aperture of mouth breadth

mouth length. The shape of Hucho tai men stomach

pyloric caeca

liver

pancreas

gallbladder were described;the lengths of esophagus

stomach

intestine and digestive tract were measured;and the relevant ratioes were calculated. The results showed that:The Hucho tai men digestive tract had typical characteristics of the carnivorous fish digestive tract

aperture of mouth was big

cavum oropharyngeum length / head length was 062

intestine was shorter

intestinal length / body length was 069

a clear mucous membrane folds were shaped in the inner process of esophagus 、stomach and intestinal walls. Its liver did not divide into mala and the pancreas existed by the form of line.Meanwhile

the section of the digestive tract 、the feeding habits and morphosis of the digestive system were discussed.