Acropora divaricata (Dana, 1846)

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 : 54

Acropora divaricata (Dana, 1846)

( Fig. 25 )

Madrepora divaricata Dana, 1846: 477 , pl. 41 fig. 2–2a. Madrepora tenuispicata Studer, 1880: 20, fig. 1a–b.

Madrepora scabrosa Quelch, 1886: 152, pl. 10 fig. 2.

Type locality. Fiji (holotype NMNH-SI).

MTQ Holdings. Red Sea: G54711 Saudi Arabia; G54733–34, G54761–62, G54772, G54854, G54945 Yemen; Kenya: G35567, G59605–06; South Africa: G41047; Mayotte: G63209, G63294, G63403; Persian Gulf: G54790, G58682 Saudi Arabia; Seychelles: G47951, G59474, G59513, G59515, G59526, G59532, G59541, G59544, G59581, G59585; Aldabra: G36935, G36937; Maldives: G53018–20, G59808, G60331, G61591–98; Chagos: G51431; Sri Lanka: G55758; Thailand: G32779, G36137, G54742–44, G54835, G54840, G56458–60, G59324, G59330–32, G59396, G59399, G59406–07, G59421, G63000; Malaysia: G52611, G57758, G59358 mainland and islands; G41137, G53893 Sabah; Singapore: G45889; Indonesia: G49774–82 Sumatra; G49792, G49794–95, G59035 Bali; G50923–24, G51068 Nusa Tenggara; G49789–91 Alor; G50920–22, G51066–67 Taka’bonerate; G50738 Seribu Is; G51179–82 Ambon; G49783–86 Flores; G48981 Kalimantan; G35528, G49771–73, G49793, G53670 Sulawesi; G49767–70 Banda Sea; G49787–88 West Timor; G61048 G57104 Irian Jaya; Australia: G40449, G40466, G41151, G41158, G47018–20, G51548 West; G58990 North; G27020, G27024, G27048, G27301, G27304, G27309, G27311–13, G27315, G27317, G27546–54, G27557–58, G27560–61, G27686, G27714, G27717–25, G27729–30, G27732–35, G27737, G27739–40, G27742, G27744–45, G28139–44, G28429–35, G28437, G28440–41, G28443, G28869–74, G28900, G28902–03, G29089, G29095–97, G29099–104, G29106–09, G29775–83, G29785–86, G29934, G29936–37, G29939–40, G29942–46, G30114, G30637–46, G30648–54, G30656, G30658–63, G30665–67, G30896–903, G32186– 88, G32190–200, G32202–0 4, G32207–08, G37398, G39874, G39880, G47380–82, G47620, G48307, G49225– 26, G51108–10, G57036, G57519, G57880, G57984–85, G58102, G58241–42, G58287, G58350, G58363, G58370– 71, G58388, G63928, G64767, G64834 Great Barrier Reef; G28901, G30657, G32189, G34227, G56542, G56544, G57508, G57806, G58497, G60090, G60195, G61749, G61751, G64976 South–East; G27715, G27728, G28137, G28145, G28442, G30647, G33441, G33445, G33459, G33505 Coral Sea; South China Sea: G37864, G52185, G52355; Japan: G38024, G38046, G47776–78, G62836; Taiwan: G45805; Philippines: G32822, G41552, G41698, G41710, G45867–68; Palau: G56629; Papua New Guinea: G53428–32, G53526–27; Micronesia: G59284 Pohnpei; New Caledonia: G34948, G34978, G35011, G54688, G58733; Chesterfield Atoll: G27712–13, G27727, G27738, G28138, G28436, G28438– 39, G38244; Marshall Is.: G57281–82; Kiribati: G54806, G54821; Fiji: G40942, G58968; Samoa: G41299, G43474, G43480; Cook Is.: G55521–25; French Polynesia: G58773.

Species group: divaricata .

Description. Colony outline: determinate, predominantly corymbose. Branches: tertiary branching order absent; length: 2 5–50 mm; diameter: 5.0–9.9 mm, radial-dominated, terete; radial crowding: some touching; axial/radial ratio:>1:10. Axial corallites: three synapticular rings; not porous; outer diameter 1.8–3.0 mm; inner diameter 0.7–1.1 mm; primary septa to ½ R. Radial corallites: medium; three synapticular rings; one size or graded; inner wall developed; shape: nariform; openings: dimidiate; primary septa to ½ R. Coenosteum: different on and between radials: between radials: reticulate, on radials: reticulo-costate; spinule shape: forked. Further literature. Nishihira & Veron (1995), Wallace & Wolstenholme (1998), Wallace (1999), Veron (2000), Dai & Horng (2009), Wallace et al. (2009), Turak & DeVantier (2011).

Figures

FIG. 25. Acropora divaricata, G61596, Ari Atoll lagoon,, Maldives, 2006 (photo: P. Muir). Map of documented distribution: blue squares = MTQ specimens; pink squares = literature records; orange diamonds = type localities (where given), including primary synonyms.