also: ガンジスかわいるか
Ganges river dolphin; susu
Refers to the freshwater dolphin species Platanista gangetica, found in the Ganges and related river systems. The term is a biological name; 'susu' is an alternative common name.
The Ganges river dolphin is designated as an endangered species.
From ガンジス (Ganges) + カワイルカ (river dolphin). The kanji spelling 河海豚 is a direct translation of 'river dolphin' but is rarely used.