The first 3 to 5 dorsal fin spines may be separate, from the rest of the dorsal fin and can be raised or have almost no membrane between them.
ðə fˈɜːst θɹˈiː tə fˈaɪv dˈoːɹsəl fˈɪn spˈaɪnz mˈeɪ biː sˈɛpɹət, fɹʌmðə ɹˈɛst ʌvðə dˈoːɹsəl fˈɪn ænd kæn biː ɹˈeɪzd ɔːɹ hæv ˈɔːlmoʊst nˈoʊ mˈɛmbɹeɪn bᵻtwˈiːn ðˌɛm.