wˌɪtʃ ɪz ɐ kˈɑːmpaʊnd ʌv  "hˈæploʊ" mˈiːnɪŋ "sˈɪŋɡəl" ɔːɹ "sˈɪmpəl", ænd ˈæktiz, mˈiːnɪŋ "ɹˈeɪ", pɹɪzˈuːmd tə ɹᵻfˈɜː tə ðə sˈɪmpəl, ʌnbɹˈæntʃt sˈɔft ɹˈeɪz ʌvðə fˈɪnz.
which is a compound of  "haplo" meaning "single" or "simple", and actis, meaning "ray", presumed to refer to the simple, unbranched soft rays of the fins.