featherback
[feth -er-bak]
noun
any freshwater fish of the family Notopteridae, of Asia and western Africa, having a small, feathery dorsal fin and a very long anal fin extending from close behind the head to the tip of the tail.
Origin of featherback
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019