Tristramella simonis
Encyclopedia
Tristramella simonis is a species of cichlid fish. It is common in the Sea of Galilee
Sea of Galilee
The Sea of Galilee, also Kinneret, Lake of Gennesaret, or Lake Tiberias , is the largest freshwater lake in Israel, and it is approximately in circumference, about long, and wide. The lake has a total area of , and a maximum depth of approximately 43 m...

 in Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

, and may also occur in a tributary of the Jordan River in Syria
Syria
Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

. It is the only member of the genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Tristramella
Tristramella
Tristramella is a genus of fishes in the Cichlidae family. The four species in this genus are restricted to Israel and Syria, where they are among the relatively few native cichlids .Tristramella intermedia and T...

that certainly remains extant. Of the other three species, two are certainly extinct
Extinction
In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

and a third is possibly extinct.
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