ðə pˈɛɹd fˈɪnz mˈeɪ biː plˈeɪɾᵻd tə fˈɔːɹm ɐn ɐdhˈiːsɪv ˌæpɚɹˈæɾəs ɪn sjˈuːdɪtʃˌɛneɪz, ɡlˈɪptəstɚnˌɔɪdz, ænd vˈɛɹɪəbli ɪn ɡlˈɪptəθˌoːɹæks.
The paired fins may be plaited to form an adhesive apparatus in Pseudecheneis, glyptosternoids, and variably in Glyptothorax.