Acropora tumida (Verrill, 1866)

(Fig. 108)

Madrepora tumida Verrill, 1866: 21 .

Type locality. Hong Kong (syntypes NMNH-SI).

MTQ Holdings. Hong Kong: G61787–90; Japan: G62827–29, G62833–34, G62904.

Species group: not determined.

Description. Colony outline: indeterminate, predominantly caespitose to arborescent. Branches: tertiary branching order absent; length: 25–50 mm; diameter: 5.0–9.9 mm, axialdominated, terete; radial crowding: some touching; axial/radial ratio:>1:10. Axial corallites: greater than three synapticular rings; porous; outer diameter 2.4–3.0 mm; inner diameter 1.2–1.4 mm; primary septa to 1 R. Radial corallites: medium; two synapticular rings; one size or graded; inner wall not developed; shape: appressed tubular; openings: oval-rounded; primary septa 2/3 to 1 R. Coenosteum: same on and between radials: reticulate; spinule shape: single point.

Taxonomic note. This species was not included in Wallace (1999) as no specimens were held at MTQ. Wallace & Wolstenholme (1998) did not collect this species in Indonesia although Veron (2000) indicates the species occurs throughout the archipelago.

Further literature: Veron (2000), Chan et al. (2004).