tˈɜːɹɪɡˌɑːplɪtʃθiz, sˈʌmtaɪmz kəlˈɛktɪvli nˈoʊn æz dʒˈænɪɾɚ fˈɪʃ, ɪz ɐ dʒˈɛnəs ʌv sˈaʊθ ɐmˈɛɹɪkən ˈɑːɹmɚd kˈætfɪʃᵻz.
Pterygoplichthys, sometimes collectively known as janitor fish, is a genus of South American armored catfishes.