Zoological Studies

Vol. 45 No. 2, 2006

Boring Sponges from Ha Long Bay, Tonkin Gulf, Vietnam

Barbara Calcinai1,*, Francesca Azzini1, Giorgio Bavestrello1, Carlo Cerrano2, Maurizio Pansini2, and Do-Cong Thung3

1Dipartimento di Scienze del Mare, UniversitÓ Politecnica delle Marche, Via Brecce Bianche, Ancona 60131, Italy
2Dipartimento per lo Studio del Territorio e delle sue Risorse, UniversitÓ di Genova, Corso Europa 26, Genova 16132, Italy
3Hai Phong Institute of Oceanology, 246 Da Nang Street, Haiphong City, Vietnam

Barbara Calcinai, Francesca Azzini, Giorgio Bavestrello, Carlo Cerrano, Maurizio Pansini, and Do-Cong Thung (2006) During 4 surveys performed from 2002 to 2004, 9 species of boring sponges were recorded from Ha Long Bay, on the northern coast of Vietnam: Cliona aurivilli (Lindgren 1897), C. celata Grant, 1826, C. orientalis Thiele, 1900, Cliothosa hancocki (Topsent 1888), Pione carpenteri (Hancock 1826), Spirastrella decumbens Ridley, 1884, S. solida Ridley and Dendy, 1886, S. tentorioides Dendy, 1905, and Aka mucosa (Bergquist 1965). Cliona orientalis, P. carpenteri, S. decumbens, S. tentorioides Dendy 1905, and A. mucosa are new records from the Tonkin Gulf, whereas all the other species are already known from Vietnam.

Key words: Cliona, Pione, Spirastrella, Aka, Porifera.

*Correspondence: Tel: 39-071-2204283. Fax: 39-071-2204650. E-mail: b.calcinai@univpm.it