Oarfish

n. long thin silvery fish with a bright red back fin (from the family Regalecidae)

Oarfish are large, greatly elongated, pelagic Lampriform fish comprising the small family Regalecidae. Found in all temperate to tropical oceans yet rarely seen, the oarfish family contains four species in two genera. One of these, the king of herrings (Regalecus glesne), is listed in the Guinness Book of World Records as the longest bony fish alive, at up to 11 metres in length.
See more at Wikipedia.org...

Noun
1. thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin
(synonym) king of the herring, ribbonfish, Regalecus glesne
(hypernym) soft-finned fish, malacopterygian
(member-holonym) Reglaecus, genus Regalecus

(n.)
The ribbon fish.
  

Eng: oarfish
Urdu: بتوار ماہی ۔ چپو نما مچھلی ۔ ایسی مچھلی جس کی شکل چپو کی طرح ہوتی ہے ۔