'Blue Stream') is a river in Israel near the Arab town Jisr az-Zarqa, originating near Ramot Menashe and emptying into the Mediterranean Sea south of Ma'agan Michael.

The river is named for the Nile crocodiles that inhabited the nearby Kebara swamps until the early 20th century.

The last crocodile was hunted in 1912[1][2] and is part of a German taxidermic collection currently on display at the natural history museum of the Tel Aviv University.

[5] The area of the basin and its tributaries is about 200 square kilometers, including the Taninim, Ada, Barkan, Alona and Mishmarot streams.

[6] The dense undergrowth and reeds along Nahal Taninim are home to many different birds, among them waterside warblers and other songbirds.