Bougainvillia muscoides (M. Sars, 1846 )

Buecher, Emmanuelle, Goy, Jacqueline, J, Mark & Gibbons, 2005, Hydromedusae of the Agulhas Current, African Invertebrates 46, pp. 27-69 : 37-38

Bougainvillia muscoides (M. Sars, 1846)

Perigonimus muscoides M. Sars, 1846 (polyp).

Bougainvillia nordgaardi: Browne 1903: 14 , pl. 2, fig. 1, pl. 3, figs 5, 6; Kramp 1961: 79.

Bougainvillia muscoides: Kramp 1968: 34 , fig. 85.

Description: Single specimen. Essentially cylindrical, as tall as broad; 3.5 mm in height. Exumbrella surface smooth. Mesoglea relatively thin. Velum narrow. Peripheral canal and four radial canals present; no centripetal canals. Tentacles borne in four clusters, each cluster arising from small triangular bulb at umbrella margin opposite radial canal (perradial); five tentacles per cluster, short, solid and with a very slight terminal swelling. Secondary tentacles absent. Manubrium small, flat. Mouth simple, circular, with slight gastric peduncle; bearing four oral tentacles above mouth rim. Oral tentacles with distinct base, dichotomously branched 4 times; small, with terminal cnidocyst clusters. Without statocysts. Without ocelli. Eight distinct, adradial gonads, situated on manubrium; oval.

Material examined: H5007.

Comments: see B. fulva .

Distribution: Scattered records from boreal waters of Atlantic and Pacific Oceans; Gulf of Siam (Kramp 1965) and Arabian Gulf ( Michel et al. 1986). Previously collected in the Arabian Gulf ( Michel et al. 1986) and off Mozambique (Bouillon 1978 b). Neritic.