Figure 4. S in The population dynamics and reproduction of Streblospio gynobranchiata (Annelida, Spionidae), an alien polychaete worm, in the Sevastopol Bay (the Black Sea)

Figure 4. S. gynobranchiata: А, a body fragment of an egg-carrying female; В, a 3–chaetiger larva just hatched from egg capsule; С, a 3–chaetiger larva on the 2nd day; D, a 5–chaetiger larva equipped with anal cirri; E, a 9–chaetiger larva; F, a 13–chaetiger larva making a tube. Scale: А- F – 100 µm.