Acropora humilis (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 : 90

Acropora humilis (Dana, 1846)

( Fig. 43 )

Madrepora humilis Dana, 1846: 483 , pl. 31 fig.4; pl. 41 fig. 4.

Madrepora spectabilis Brook, 1892: 462 ; 1893: 141, pl. 16 fig. B.

Madrepora fruticosa Brook, 1892: 457 ; 1893: 138, pl. 18 fig. A.

Madrepora guppyi Brook, 1892: 458 ; 1893: 158, pl. 23 fig. D.

Madrepora obscura Brook, 1893: 129 , pl. 32 fig. A.

Type locality. Fiji (holotype NMNH-SI).

MTQ Holdings. Red Sea: G49311, G54789, G57769 Egypt; G49328, G55261 Saudi Arabia; G49312 Sudan; Kenya: G35561, G54931, G58926–32; Mayotte: G63276, G63385; Seychelles: G51851, G59460, G59482, G59486; Mauritius: G51825, G51845, G54529, G54899, G54911; Maldives: G51995, G52089–90, G53021, G59809, G59923, G60339; Chagos: G51363; Sri Lanka: G55770; Thailand: G59410; Malaysia: G52632 mainland and islands; G40194, G49208 Sabah; Singapore: G41011; Indonesia: G47160, G47167, G48590–95, G48625 Sumatra; G32836, G59193–94 Java; G49101, G49112–14 Bali; G48605–06, G48628 Alor; G47458 Lombok; G35966 Maluku; G50895 Taka’bonerate; G49096 Seribu Is; G36179, G36211, G47038, G50820–21 Ambon; G48596–02, G48626 Flores; G39796, G49100, G49109–10 Kalimantan; G48627 Semau; G34169–72, G35408–0 9, G47318–31, G49102–0 6, G49108, G51578, G51608–15, G56666–70 Sulawesi; G51625–26 Molucca Sea; G51579, G51616–24, G51628 Halmahera; G47039–42, G51627 Banda Sea; G48603–04 West Timor; Australia: G36790, G38391, G61585, G64390 West; G49209, G58988 North; G27051, G27075, G29140–43, G29145–50, G29456, G29585, G29587–89, G29591–97, G29599–600, G29682–87, G29689, G29691–98, G29700–07, G30026–36, G30038, G30095–96, G30247, G30282–83, G30285–87, G30289–90, G30295–302, G30304–15, G33001–0 2, G35018, G35379–80, G46039, G47643, G48320, G49228–29, G49319–22, G51113, G53653–54, G55479–80, G56369, G56823, G58909, G61767, G62278, G63904–12, G63921, G63934–35, G64693, G64759 Great Barrier Reef; G47053–54, G58418 South–East; G29144, G29151, G29688, G29690, G30039, G30284, G30291, G33437–40, G33443–44, G33446–47, G33449–57, G33473, G33476–83, G33485, G33488, G33491, G33508, G33751,

G33754–55, G49080–95, G57616 Coral Sea; South China Sea: G48352, G49097, G52155; Japan: G36839, G36909, G38018, G38039, G47783, G62851; Taiwan: G35500, G45905, G45936, G56661–65; Philippines: G45861, G49098; Palau: G60202, G61863; Guam: G40731, G49047–49, G49051–52, G53631, G54745; Papua New Guinea: G52817–30, G52946–48, G56671– 75; Micronesia: G40698, G41164, G41173 Yap; G36614–15 Chuuk; G62418, G62468, G62526–27 Pohnpei; G62776 Kosrae; Solomon Is.: G52596, G56676–80; New Caledonia: G35006, G49043, G49207; Chesterfield Atoll: G30293, G58920; Marshall Is.: G33119, G33121, G37478–79, G37555, G37964, G56199; Kiribati: G54793–94; Fiji: G34741, G34743, G34770, G34809; Samoa: G33229–35, G34717, G34727, G34731, G34736–37, G34762–63, G34773, G34882, G41204–09, G43462; Niue: G30097, G36073–74, G49018–19, G54513; Hawaii: G27084; Line Is.: G59694; Cook Is.: G35862–65, G35945, G36117, G49059 Tuamotu Archipelago: G32860; Austral Is.: G30098; Pitcairn Is.: G35752, G35754–55, G49038, G49099.

Species group: humilis .

Description. Colony outline: determinate, predominantly corymbose. Branches: tertiary branching order absent; length: 2 5–50 mm; diameter:>19.9 mm, axial-dominated, tapering; radial crowding: some touching; axial/radial ratio:>1:10. Axial corallites: greater than three synapticular rings; not porous; outer diameter 3–9 mm; inner diameter 1.0–1.8 mm; primary septa to ¾ R. Radial corallites: large; greater than three synapticular rings; one size or graded; inner wall developed; shape: tubular; openings: dimidiate; primary septa to 1 R; Coenosteum: same on and between radials: reticulo-costate; spinule shape: elaborate.

Further literature. Sheppard & Sheppard (1991), Nishihira & Veron (1995), Wallace & Wolstenholme (1998), Wallace (1999), Veron (2000), Pillay et al. (2002), Wolstenholme et al. 2003, Dai & Horng (2009), Turak & DeVantier (2011).

Figures

FIG. 43. Acropora humilis, Seychelles, 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.