Sertularella polyzonias ( Linnaeus, 1758 )

Galea, Horia R., 2007, Hydroids and hydromedusae (Cnidaria: Hydrozoa) from the fjords region of southern Chile, Zootaxa 1597 (1), pp. 1-116 : 64-65

Sertularella polyzonias ( Linnaeus, 1758)

(fig. 15A–D, table 23)

Sertularia polyzonias Linnaeus, 1758: 813 .

Sertularella polyzonias: Hincks, 1868: 235 , pl. 46 fig. 1; Nutting, 1904: 90, pl. 21 figs 1–2; Hartlaub, 1905: 655, figs T 4 –U 4; Stechow, 1919: 89; Fraser, 1944: 268, pl. 58 fig. 258; Picard, 1951: 347; Naumov & Stepanjants, 1962: 87; Naumov, 1969: 363, fig. 226; Rees & Rowe, 1969: 18; Calder, 1970: 1528, pl. 6 figs 3–5; Leloup, 1974: 32, fig. 26; Calder, 1975: 307, fig. 5C; Millard, 1975: 299; Ramil et al., 1992: 500, figs 1B, 4, 5; Ramil & Vervoort, 1992: 225, fig. 63A–B; Cornelius, 1995b: 74, fig. 17; El Beshbeeshy, 1991: 179, fig. 45; Hirohito, 1995 (English text): 199, fig. 65D; Calder, 1997: 88; Medel & Vervoort, 1998: 47, fig. 13; Schuchert, 2001a: 100, fig. 84; Peña Cantero & García Carrascosa, 2002: 134, fig. 25F–H; Bouillon et al., 2004: 182, fig. 100E–I; Vervoort, 2006: 268.

Sertularella gayi: García-Corrales et al., 1980: 33 , fig. 11.

Material examined. Stn. COM 03 —25.ii.2005, 15– 25 m, S69: several fertile colonies and fragments, up to 5.5 cm high, on polychaete tube, 3 slides ( MHNG INVE 53256 ) . Stn. COM 06 —26.i.2006, 20– 23 m, S95: several sterile stems, 4–5 cm high, on wood ( MHNG INVE 53344 ) . Stn. COM 07 —25.xii. 2004, 22 m, S47: four sterile fragments, 2.5–5.5 cm high, 1 slide ( MHNG INVE 53220 ) . Stn. COM 11 —11.ix. 2004, 26 m, S14: one colony and a fragment, 8 and 5.5 cm high, respectively, both with many gonothecae, and additional smaller, sterile fragments, on rock ( MHNG INVE 53167 ) ; 27.i.2006, 17– 23 m, S97: several sterile fragments, up to 1.8 cm high. Stn. CFA — 14.iii.2006, 10– 30 m, S88: several fertile fragments, 3–4 cm high ( MHNG INVE 53325 ) .

Type locality. Likely unknown.

Remarks. This well-known species needs no additional comment. For recent redescriptions see Ramil & Vervoort (1992) and Cornelius (1995b).

Hydroid epibionts. Bougainvillia pyramidata ( Forbes & Goodsir, 1851) ; Eudendrium cf. scotti Puce, Cerrano & Bavestrello, 2002 ; Filellum serratum ( Clarke, 1879) ; Hebella striata Allman, 1888 ; Halecium sp. ; Obelia dichotoma ( Linnaeus, 1758) .

World distribution. This is a cosmopolitan species ( Medel & Vervoort 1998).

Records from Chile. Previous records of S. polyzonias are from the Canal Trinidad, Punta Arenas, Strait of Magellan, Juan Fernández ( Hartlaub 1905), Seno Reloncavi and Golfo de Ancud ( Leloup 1974). The present material was collected between 42°10' S and 49°11' S.