FIGURE 4 in A comparative study of populations of Ectopleura crocea and Ectopleura ralphi (Hydrozoa, Tubulariidae) from the Southwestern Atlantic Ocean

FIGURE 4. Morphological traits of gonophores (A–D, scanning electronic microscopy) and actinulae (E, light microscopy). A: Oral-lateral view of the hydranth with its blastostyles of male gonophores. B: Detail of the blastostyles with male gonophores. C: Female gonophore with the apical crests on top. D: Female gonophore liberating an actinula. E: Liberated actinula with capitate aboral tentacles. Legends on figures: Gn, gonophore; Ac, actinulae; S, spadix.