"fatal competition" is correct and usable in written English.
You can use it to describe any competition between two or more entities where the stakes are very high, such as a competition between two businesses for a lucrative contract, or a competition between two people for a coveted promotion. For example, "After years of working together, the two partners engaged in a fatal competition to win the contract for the project."
The drama, which focused on the tense and ultimately fatal competition between four wives for the favour of their elderly husband, received an Oscar nomination.
In 1907, its flagship, the Mauretania, captured the Blue Riband for fastest transatlantic crossing, and kept it for twenty-two yearspurringing jealous — and fatal — competition.
In the globalized world, fatal competition ruling in almost all business sectors hits especially airline companies due to the global nature of the industry.
However, in contrast to the many avian examples of fatal sibling competition, competition among piglets can best be described as sub-lethal because it does not have immediate fatal consequences (e.g., Mock and Parker 1997).
There may also be fatal male male competition within hosts prior to emergence (Hamilton, 1979), as in the case with Melittobia wasps (Abe et al., 2003).
This, and other apparent healed wounds in the skulls of ceratopsians, has been cited as evidence of non-fatal intraspecific competition in these dinosaurs.
Christian Heller, the president of the Swiss Snowboarding Federation, said he believed it was the first fatal accident during competition.
He adds that it would be "fatal - given the competition we face, and the population growth underway - to slacken off now".
Brood reduction, in this sense, is assumed to be adaptive since fatal levels of sibling competition would trim brood size to an appropriated level if food turns out to be low [28], [62].
Earlier eclosing males appear to have a competitive advantage over those that eclose later also in other species with fatal fighting and local mate competition (LMC), e.g., parasitoid wasps [ 6, 25].
E-commerce experts said they expected the cutthroat price competition to be fatal to some struggling retailers.
