Like Many Other Fishes, Bluehead Wrasses Utilize Harem Mating as They

Like many other fishes, bluehead wrasses utilize harem mating as they reproduce sexually. However, unlike most fishes,

A) they are simultaneous hermaphrodites.
B) they function without any signaling by steroid hormones.
C) they undergo a prolonged diapause during low tide.
D) their offspring can be either haploid or diploid.
E) large females morph into reproductively competent males.