Aquaculture International

, Volume 20, Issue 2, pp 295–303 | Cite as

Assessing the feasibility of sponge aquaculture as a sustainable industry in The Bahamas

  • Annabelle Oronti
  • Andy J. Danylchuk
  • Christina E. Elmore
  • Rocco Auriemma
  • Giusto Pesle


Sponge harvesting was a significant part of the Bahamian economy until the late 1930s when disease, hurricanes, and unsustainable harvesting practices reduced the viability of the sponge industry. Current international demands for natural products, increasing regional needs for economic diversification, and the historical foundation of sponging in The Bahamas makes sponge aquaculture a desirable candidate as a sustainable industry. To determine the feasibility of sponge aquaculture in The Bahamas, we deployed growout arrays between February 2006 and September 2009 at two sites off South Eleuthera to examine the survival and growth rates of grass sponge (Spongia tubulifera) and hardhead sponge (Spongia pertusa) cuttings. Complete skin regeneration occurred for both species by the second week following deployment. Following 43 months of growout, both grass and hardhead sponges showed significant positive growth, with cuttings of both species exhibiting faster growth trajectories at the more protected site (Site A) when compared with the site further from shore (Site B). The proportion of sponge cuttings lost during the course of the study was also considerably less for both species at Site A, as was the amount of required maintenance for the arrays. The initial deployment of larger sponge cuttings could help reduce the overall growout period, as would the selection of sites that offered more protection for growout. Based on these results, sponge aquaculture could prove to be a sustainable low-cost industry in The Bahamas; however, further research on site selection, regulations, and market acceptability remains to be done.


Sponge aquaculture Grass sponge Hardhead sponge Eleuthera Bahamas 



We would like to formally dedicate this publication to Giusto Pesle, coauthor, mentor, and friend, who sadly passed away during this study while doing what he loved most—working with sponges. We would also like to gratefully acknowledge the Clarence and Ann Dillon Dunwalke Trust, the Cape Eleuthera Foundation, and the government of Trieste, Italy for financial and logistical support of this project. Many thanks also to the students and staff of The Island School and Cape Eleuthera Institute who dedicated time and energy toward making this research possible.


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Annabelle Oronti
    • 1
    • 5
  • Andy J. Danylchuk
    • 2
  • Christina E. Elmore
    • 1
  • Rocco Auriemma
    • 3
  • Giusto Pesle
    • 4
  1. 1.Cape Eleuthera InstituteCape Eleuthera, EleutheraThe Bahamas
  2. 2.Department of Environmental ConservationUniversity of Massachusetts AmherstAmherstUSA
  3. 3.Department of BiologyUniversity of TriesteTriesteItaly
  4. 4.Spugnificio RosenfeldTriesteItaly
  5. 5.Fort LauderdaleUSA

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