The Chalumna River is a river in South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

 which empties into the Indian Ocean

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

 and is located about 45 km south west of the Buffalo River

Buffalo River (Eastern Cape)

The Buffalo River or Cwenqgcwe is situated in the city of East London on the East Coast of South Africa. It is to the west of the Nahoon River. It is the only navigable river in South Africa. The town of East London was thus established around it....

 at East London. Kayser's Beach is situated close by.

It was near the mouth of this river in 1938 that Captain Hendrik Goosen trawled a catch of fish, one of which Marjorie Courtenay-Latimer

Marjorie Courtenay-Latimer

Marjorie faree Doris Courtenay-Latimer was the South African museum official who in 1938 brought to the attention of the world the existence of the coelacanth, a fish thought to have been extinct for sixty-five million years....

 preserved. This fish was later identified as a coelacanth

Coelacanth

Coelacanths are members of an order of fish that includes the oldest living lineage of Sarcopterygii known to date....

, a kind which was previously thought to be long extinct and was at that point in time only known from the fossil record.