What crucial detail does the gap between the last known capture (around 2007) and the last visual confirmation (2002) highlight?

Answer

The challenge of assessing extinction in real-time

This discrepancy highlights the difficulty in assessing extinction in real-time, as a species can remain functionally extinct for years while isolated individuals are occasionally spotted before a definitive declaration can be made.

What crucial detail does the gap between the last known capture (around 2007) and the last visual confirmation (2002) highlight?
extinctionfishChinasightingpaddlefish