螃蟹

Pinyin: pángxiè
Meaning：Crab
Sentence: 但我经常到海滩去捉小虾和螃蟹。But I often go to the beach to catch shrimps and crabs.

More:

螃：

Pinyin: páng
Meaning: Crab
Radical: 虫
Stokes: 16
Traditional: 螃
Common words/Phrase:
海螃蟹 [hǎipángxiè] 【sea crab】

蟹：

Pinyin: xiè
Meaning: crab; partan; brachyuran
Radical: 虫
Stokes: 19
Traditional: 蟹
Common words/Phrase:
蟹黄 [xièhuáng] 【crab roe】
蟹粉 [xièfěn] 【crab meal】
蟹钳 [xièqián ] 【crab's claws】