There's a good, balanced article on Danwei.com where I found these dictionary definitions from the current Xinhua Dictionary (Xinhua is the Chinese government's official news agency).
I thought I would post some of their dictionary definitions here because it emphasises some of my earlier posts with regard to the poor treatment of animals.
鲳 [butterfish]: Flesh is tender and fatty with a delicious flavor.
翅 [fin]: Fish fin; refers to the fin of a shark, a delicacy.
蛏 [razor clam]: Flesh has a delicious flavor.
狗 [dog]: as in 狗腿子 [dog's leg]: thug, running dog, one who performs evil tasks for a powerful person.
貉 [raccoon dog]: Skin is highly valuable. 一丘之貉 [a hill of jackals] tarred with the same brush, refers to bad people.
牛 [cattle]: Strong, useful for plowing fields or pulling carts. Flesh and milk are edible. Horns, skin, and bones can made into things.
兽 [animal, beast]: Figure of speech for barbaric or immoral: 兽欲 [animal desires], 兽行 [brutality].