
1) Fish common name
Found on
https://www.crosswordclues.com/clue/tigerfish

Tigerfish can refer to fish from various families, and derives from official and colloquial associations of these with the Asian tiger (Panthera tigris). However, the primary species designated by the name `tigerfish` are African and belong to the family Alestidae. ==African tigerfish== Several species belonging to the genus Hydrocynus of the fa.....
Found on
http://en.wikipedia.org/wiki/Tigerfish
[torpedo] The Mk 24 Tigerfish torpedo was a heavyweight acoustic homing torpedo used by the Royal Navy (RN) for several years. The early Mod0 and Mod1 variants were unreliable and unsuccessful, but were issued to the RN even though they failed Fleet Weapon Acceptance. Reliability was significantly improved in the Mod2 variant as a result of...
Found on
http://en.wikipedia.org/wiki/Tigerfish_(torpedo)

any of several fishes so named on the basis of their pugnacity when caught, their fiercely predaceous habits, or their appearance. In African ... [2 related articles]
Found on
http://www.britannica.com/eb/a-z/t/49

The Marconi Mark 24 (Tigerfish) torpedo has an acoustic seeker in the nose. The torpedo is wire-guided and both the submarine and torpedo are fitted with wire dispensers. Data is downloaded from the submarine weapon control station to the torpedo's onboard computer. The torpedo is armed with a 134 kg PBXN 105 warhead from BAe Royal Ordnance Divisio...
Found on
http://www.probertencyclopaedia.com/browse/FT.HTM
No exact match found.