海马（seahorse），读音为[sē-hôrs]。

Seahorse is a unique marine creature that belongs to the family Syngnathidae. They are known for their distinct appearance and behavior, such as their horse-like head and curled tails that they use to anchor themselves to seaweed and other objects.

To correctly pronounce the word 'seahorse', start by saying 'see', followed by a long 'o' sound, and then say 'horse' without emphasizing the 'r' sound at the end. The stress is on the first syllable, 'se'.

In addition to their interesting appearance, seahorses also have fascinating reproductive habits. Male seahorses are the ones who carry and give birth to their offspring, which is a rare occurrence in the animal kingdom.

Overall, seahorses are a fascinating and unique species that are worth learning more about.