Skip to main content
Fig. 5 | Helgoland Marine Research

Fig. 5

From: Growth and reproductive biology of the sea star Astropecten aranciacus (Echinodermata, Asteroidea) on the continental shelf of the Catalan Sea (northwestern Mediterranean)

Fig. 5

Photomicrographs of A. aranciacus ovaries showing different gonadal stages: a Stage I, Recovery; b, c Stage II, Growing; d Stage III, Mature; e Stage IV, Partly Spawned; f Stage V, Spent. hf hemal invaginations, hs hemal sinus, lu lumen, o oogonia, po previtellogenic oocyte, vo vitellogenic oocyte, ro relict oocyte, np nutritional phagocytes. Scale bars 500 µm

Back to article page

Helgoland Marine Research

ISSN: 1438-3888

Contact us