South American River Fish With Sharp Teeth
This page is the CodyCross answer for the clue below from Physics, Group 1887, Puzzle 3 (Protons and Electrons).
Question is: South American River Fish With Sharp Teeth
and the answer is: PIRANHA
Word Meaning:
PIRANHA — (ichthyology) Any of certain freshwater fish of the subfamily Serrasalminae, native to South America; they are characterised by razor-sharp teeth and a reputation of being ferocious predators (despite most species being omnivorous).
Definitions from Wiktionary.