Oxyrrhis marina can cannibalize its own species when no other prey is available.
From the sciencedaily.com
Labor unions have said cutting Saturday delivery would cannibalize the business.
From the sfgate.com
In technology, either you cannibalize yourself or someone else is going to do it.
From the businessweek.com
Besides, Apple is about big fat margins and don't want to cannibalize their market.
From the economist.com
With no more human flesh to cannibalize, the infected have starved to death.
From the cnn.com
Most carriers fear Wi-Fi calling would cannibalize lucrative cellular plans.
From the usatoday.com
Did you cannibalize your DVD business when you started to stream content to customers?
From the businessweek.com
They will cannibalize OHV to sustain a parks program that is without vision or energy.
From the sacbee.com
If we do, somebody else will just cannibalize it, and so we never fear it.
From the techland.time.com
More examples
Eat human flesh
Use parts of something to repair something else
While the expression "cannibalism" has origins in the act of humans eating other humans, it has extended into zoology to mean the act of any animal consuming members of its own type or kind, including the consumption of mates.
(Cannibalizes) In marketing strategy, cannibalization refers to a reduction in sales volume, sales revenue, or market share of one product as a result of the introduction of a new product by the same producer.
To consume another of one's own type or kind; To remove parts of (a machine, etc) for use in other similar machines
(Cannibalization) An action that generates sales in one respect by decreasing sales in another. Examples include the addition of new stores to a market, thereby drawing away customers from existing locations, or the launch of a line extension that attracts users of the flagship product. ...
(Cannibalization) Occasions when a new product will take market share away from an older brand, as in the addition of a diet soda product to a previously existing brand line of sodas. The new diet soda will compete with and perhaps eat away at the profits of the previously existing products. ...
(Cannibalization) The breakdown of muscle tissue by the body for the purpose of obtaining amino acids for other metabolic purposes.
(Cannibalization) The concept of a customer leaving a higher-rated market segment to jump over a fence and gobble up lower-priced products or services offered by the same provider to other lower-rated market segments.