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Red Lake (Croatia)

Sinkhole lake in Split-Dalmatia, Croatia

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Through Cave

The sinkhole is named after the reddish-brown colour of the surrounding cliffs, coloured by iron oxides.

Like the nearby Blue Lake, it is presumed that the lake emerged when the ceiling of a large cave hall collapsed.

The lake is inhabited with endemic and endangered spotted minnow (Delminichthys adspersus) and Imotski spined loach (Cobitis illyrica). In the dry period of the year, this fish can be occasionally seen in surrounding springs, rivers and lakes, suggesting that there is an underground connection between Red Lake and other water bodies.

At the 13th International Congress of Speleology in 2001, new findings were revealed. An inflow cave-shaped canal that measured approximately 30 × 30 metres was discovered in the eastern part of the lake at a depth of 175 metres (574 ft).

History

It has been studied by Philipp Ballif, Artur Gavazzi, J. Daneš, Otto Oppitz, A. Ujević, and others.

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