Substrate: Pocillopora sp.; Sampled during the Mission Zoologique MRAC-ULB and identified by P. Thomas. All measurements are of mature, fully formed endosomal oxeas to allow statistical comparison with other samples. Measurements conducted by C. Schönberg on preparation of acid-cleaned spicules made by C. Schönberg. Data are sorted vertically by spicule width.; Thomas, P. A. (1979) Studies on sponges of the Mozambique Channel. 1. Sponges of Inhaca. Annales de Musée Royal de l'Afrique Centrale, Tervuren, Belgium. Sciences Zoologiques 18: 34.