Wiktionary
a. Occurring among members of the same species.
WordNet
adj. arising or occurring within a species; involving the members of one species; "intraspecific competition" [syn: intraspecies] [ant: interspecies]
Wikipedia
Usage examples of "intraspecific".
Though they seem to have a penchant for intraspecific aggression, they can also be rather generous.
The upshot of these disquisitions, predictably, was that what had happened to them was appropriate given certain laws of intraspecific competition, of conflict and dominance, of the rightful order of nature.
This polishing apparently has the function of both cleaning and sharpening the horns, two precesses useful in intraspecific aggression, the latter process imporving their capacity as fighting instruments, in slashing and goring, and the former process tending to reduce the amount of infection in a herd resulting from such combats.
They will even drive one another away from their local tharlarion, fighting in contests of intraspecific aggression, over the plated territory of the monster’s back.
Viewed in this manner tribal warfare may be seen as an example of intraspecific aggression, with its attendant consequences in decentralizing and refining diverse populations.