2 sentences for 鱼 (yú — aquatic animal)

1. 鱿鱼是一种很受欢迎的海鲜。

   yóu yú shì yī zhǒng hěn shòu huān​yíng de hǎi​xiān.

   Squid is a very popular seafood.

   Source: Dong Chinese Dictionary

2. 鳄鱼虽然名字里有鱼，但它是爬行动物。

   è​yú suī​rán míng​zi lǐ yǒu yú, dàn tā shì pá​xíng dòng​wù.

   Although its name contains the word 'fish' in Chinese, a crocodile is a reptile.

   Source: Dong Chinese Dictionary