in·tra·spe·cies /-ˈspi(ˌ)ʃiz, (ˌ)siz/
  in·tra·spe·cies /-ˈspɪ(ˌ)ʃɪz, (ˌ)sɪz/ 形容詞
  種內
  intraspecies
       adj : arising or occurring within a species; involving the members
             of one species; "intraspecific competition" [syn: intraspecific]
             [ant: interspecies]