Acropora grandis (Brook, 1892)

Wallace, Carden C., Done, Barbara J. & Muir, Paul R., 2012, Revision and catalogue of worldwide staghorn corals Acropora and Isopora (Scleractinia: Acroporidae) in the Museum of Tropical Queensland, Memoirs of the Queensland Museu Nature 57, pp. 1-258 : 78

Acropora grandis (Brook, 1892)

( Fig. 37 )

Madrepora grandis Brook, 1892: 457 ; 1893: 42, pl. 1 figs A–B.

Acropora dispar Nemenzo, 1967: 55 , pl. 19 figs 3–4.

Type locality. Palm Island Australia (lectotype NHM). MTQ Holdings. Maldives: G52001–02; Thailand: G36140, G36142–43, G55911–15, G56041, G56131, G56434–35, G56457; Malaysia: G53890 Sabah Indonesia: G53708 Bali; G35984 Maluku; G50896–97 Taka’bonerate; G51178 Ambon; G47445–48, G47857, G49382–83, G49385–86, G50811–12, G53704–0 7, G53709–10, G59091 Sulawesi; G53712 Molucca Sea; G53711 Halmahera; G46846–47, G46856–58 Banda Sea; G49384, G60750 Irian Jaya; Australia: G39768– 69, G40790, G48732–38, G52671–72 West; G27038, G27055, G27079, G27620, G27802, G27805–6, G27840, G27843–46, G28342–44, G28346, G28348–49, G29111, G29318–22, G29324–25, G29329, G29331–32, G29717, G29719–20, G29726–27, G30066, G30070, G30198–99, G30201–2, G30462, G30464–71, G30473, G30990, G30992, G31037–41, G31152, G31154, G34236, G40976, G41000, G57596, G60506, G60511, G60592, G60594, G62913, G64643 Great Barrier Reef; G30067–69, G30463 South–East; G27807, G29386, G29718, G31153, G63806 Coral Sea; Papua New Guinea: G35823, G52777–80 North; G40790 Timor Sea; Micronesia: G40803, G62543, G62572, G62650 Pohnpei; Solomon Is.: G35593, G52120; New Caledonia: G34969, G35005, G40890, G58716, G61014, G61205; Chesterfield Atoll: G27848, G28339, G29328, G29385, G29387–92, G29721, G29724, G29728, G29774, G30278–80, G30993; Marshall Is.: G57293; Kiribati: G51222, G58796; Fiji: G40923.

Species group: muricata.

Description. Colony outline: indeterminate, predominantly arborescent. Branches: tertiary branching order absent; length:>100 mm; diameter: 10.0–19.9 mm, axial-dominated, terete; radial crowding: not touching; axial/radial ratio:>1:10. Axial corallites: two synapticular rings; porous; outer diameter 1.5–3 mm; inner diameter 0.8–1.7 mm; primary septa to ¾ R. Radial corallites: medium; two synapticular rings; one size or graded; inner wall developed; shape: tubular; openings: oval-rounded; primary septa to 0–¼ R. Coenosteum: different on and between radials: between radials: reticulate, on radials: costate; spinule shape: single point.

Further literature. Wallace & Wolstenholme (1998), Wallace (1999), Veron (2000).

Figures

FIG. 37. Acropora grandis, G60592, Ribbon Reefs, Great Barrier Reef, Australia, 2007 (photo: P. Muir). Map of documented distribution: blue squares = MTQ specimens; pink squares = literature records; orange diamonds = type localities (where given), including primary synonyms.