Hydroides cruciger Mörch, 1863

Bastida-Zavala, J. Rolando, 2008, Serpulids (Annelida: Polychaeta) from the Eastern Pacific, including a brief mention of Hawaiian serpulids, Zootaxa 1722, pp. 1-61 : 23

Hydroides cruciger Mörch, 1863

( Figure 6E)

Hydroides (Eucarphus) crucigera Mörch, 1863: 378 , pl. 11, fig. 8. Type locality: Punta Arenas, Western Costa Rica. Hydroides cruciger .— Bastida-Zavala and ten Hove, 2003b: 78–80, figs. 5A–Q (revision of the genus from Eastern

Pacific).

Material examined. Fifteen specimens: Hawaii (USA), UMAR-Poly 60 (approx. 21º17’N, 157º50’W, Honolulu, HF-018, from the hull of a sailboat from overseas to Hawaii , after of a voyage with the route San Francisco to Los Angeles to Mexico to Hilo , Hawaii to Honolulu ; whole travel period was four months, coll. SG). Guerrero ( Mexico), SV-pc, 9 spec. (16º50’33”N, 99º54’39”W, Punta Manzanillo , Acapulco , Aug. 20, 1988, coll. SISV). Oaxaca ( Mexico), UMAR-Poly 61, 3 spec. (15º45’12”N, 96º07’46”W, Santa Cruz bay , Huatulco , on pier pilots, 0–1 m, Nov. 12, 2003, coll. PZ); UMAR-Poly 62, 2 spec. (15º44’40”N, 96º07’43”W, La Entrega beach, Huatulco, on Spondylus calcifer, Aug. 2004 , coll. MSGM) .

Diagnosis. For a revised description see Bastida-Zavala and ten Hove (2003b).

Habitat. Depth: 0–4 m. On dead coral Pocillopora and rock pools; fouling species. Salinity 19–37‰.

Distribution. Tropical Eastern Pacific. From Baja California ( Mexico) to Bahia Malaga ( Colombia), Hawaii ( Bastida-Zavala & ten Hove 2003b).