guān shǎng : zhí > hóng tóu jiǎn dāo
  zhōng wén míng hóng tóu jiǎn dāo
   xué míng: hemigrammusbleheri(géry&mahnert,1986)
   yīng wén míng chēng fireheadtetra
   míngzhī (characidae)
   yuán shēng nán měi zhōu : luó meta liú
   cháng: 4cm
   shuǐ zhì qiú: phrange:5 6;dhrange:5-12
   wēn : 23-26°c
   jiǎn jièshǔ zhōngshàng shuǐ céng zhī dài dàn shuǐ lèi shí xìngxìng qíng wēn qún yóu xìng