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Egypt · Nature & Wildlife · Hard
What is the name of the unique brackish lake in the Fayoum Depression — a remnant of the ancient Lake Moeris — that supports a now-endangered subspecies of tilapia fish adapted to its high salinity?
Answer: Lake Qarun — Lake Qarun (Birket Qarun), a closed-basin saline lake 45 metres below sea level, is the surviving remnant of the vast ancient Lake Moeris that once regulated the Nile's flood — today it supports a unique ecosystem of salt-tolerant fish and is a RAMSAR wetland site, though industrial pollution and evaporation threaten its survival.
- A Lake Burullus
- B Lake Qarun ✓
- C Lake Manzala
- D Lake Bardawil
Lake Qarun (Birket Qarun), a closed-basin saline lake 45 metres below sea level, is the surviving remnant of the vast ancient Lake Moeris that once regulated the Nile's flood — today it supports a unique ecosystem of salt-tolerant fish and is a RAMSAR wetland site, though industrial pollution and evaporation threaten its survival.