Acropora horrida (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 : 88

Acropora horrida (Dana, 1846)

( Fig. 42 )

Madrepora horrida Dana, 1846: 472 pl. 39 figs 2–2a.

Madrepora angulata Quelch, 1886: 160 .

Madrepora inermis Brook, 1891: 462 ; 1893: 194 pl. 29 figs A–B.

Acropora sekiseiensis Veron, 1990: 107 , figs 11–12.

Type locality. Fiji (holotype NMNH-SI).

MTQ Holdings. G32476 HOLOTYPE of A. sekiseiensis Japan; Red Sea: G55260 Saudi Arabia; Mauritius: G59125, G59344–45; Maldives: G51998, G52087, G59827, G59939–45, G60269, G60325; Chagos: G51869–70; Thailand: G32802, G55961, G56038–40, G56440, G56051; Malaysia: G57662–63, G57679 mainland and islands; G53921 Sabah; Indonesia: G49527, G49532, G59725 Bali; G50973–74 Nusa Tenggara; G49502, G49512–19 Alor; G48176–78 Lombok; G50739 Seribu Is; G49509, G50972 Flores; G49500–01, G49522–26, G53865–66, G56622, G59059 Kalimantan; G49511 Semau; G48166–75, G49520–21, G49528–31, G50818, G51971–72, G53666, G53859–64, G55520, G56510, G56617, G56619, G56623, G57087–89, G58633 Sulawesi; G51985, G53665 Molucca Sea; G51973–84 Halmahera; G49503 Banda Sea; G49510, G60780–84, G61001 Irian Jaya; Australia: G27035, G27076, G28737, G28739, G28741–49, G28751, G28753–55, G29243, G29245–48, G29250–52, G29254, G29469–72, G29474–76, G29856, G29858–60, G29863, G56935, G57539, G57733, G58142–51, G58177–81, G58265, G58290–93, G58302–3, G58374, G58385, G58599–600, G60512, G60601, G63111, G63896, G64764 Great Barrier Reef; G29477, G29864, G33187, G33195, G60134–36, G62810 South-East; G33750 Coral Sea;

G29466 Admiralty Is.; Japan: G47769; Philippines: G32823, G41709; Palau: G56865, G56868, G56894, G60214; Papua New Guinea: G35628, G35913–14, G35917, G52805–10, G53251; Micronesia: G59292, G62489, G62497–02, G62546, G62589, G62655, G62670 Pohnpei; Solomon Is.: G58991, G59001; Chesterfield Atoll: G29861; Marshall Is.: G56222, G57219–24, G57317–19, G57332–34; Kiribati: G51215, G51217; Austral Is.: G32858.

Species group: horrida .

Description. Colony outline: indeterminate, predominantly arborescent. Branches: tertiary branching order present; length:>1 0 0 mm; diameter: 2.5–4.9 mm, 50/50 axial/radial, terete; radial crowding: not touching; axial/ radial ratio:>1:10. Axial corallites: two synapticular rings; porous; outer diameter 1.4–2.4 mm; inner diameter 0.6–1.5 mm; primary septa to 2/3 R. Radial corallites: medium; two synapticular rings; one size or graded; inner wall developed; shape: tubular; openings: ovalrounded; primary septa to ½ R. Coenosteum: same on and between radials: reticulate; spinule shape: single point.

Further literature. Sheppard & Sheppard (1991), Nishihira & Veron (1995), Wallace & Wolstenholme (1998), Wallace (1999), Veron (2000), Turak & DeVantier (2011).

Figures

FIG. 42. Acropora horrida, G59827, Vabbinfaru I., N. Male Atoll, 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.