Akpa le tome gake menya tsi fe vevie nyenyeo

A fish is the last to acknowledge the existence of water.

What it means
A fish is surrounded by water so constantly that it stops noticing it. What we are most immersed in is often what we see least clearly.
Ewe · West Africa
Source and context
From: Ewe, West Africa
Source: Ewe (Benin, Ghana and Togo) oral-tradition proverb — "African Proverb of the Month," October 2009 (afriprov.tangaza.ac.ke)

The source explains it: used to refer to a person who is very close to a powerful person but has lost sense of his or her greatness. The wording of the meaning is ours.