Trends in Fisheries and Aquatic Animal Health

Developing a Methodology for the Mariculture of Bath Sponges in Larymna Gulf, North Evoic, Greece

Author(s): Jane Castritsi - Catharios, Constantin Vamvakas, Ιlias Baras and George Ekonomou

Pp: 277-298 (22)

DOI: 10.2174/9781681085807117010015

* (Excluding Mailing and Handling)


Climate change, pollution, overfishing and the periodic appearance of the sponge disease, dramatically reduced the stock of sponges, the number of species and the diversity of their forms. Demand continues to grow despite their high prices (150 euros/kg). Price depends on type, quality, necessary processing and geographical origin. The possibility of producing secondary metabolites & collagen from sponges makes them a valuable source for the production of raw materials of high added value. An experimental culture was performed in an integrated aquaculture fish production unit in Larymna (Greece) on ropes between fish cages (arranged vertically), on iron frames placed 0.5 m above the bottom (arranged horizontally) and in onshore tanks. Thus far results from the sea experiments (vertical and horizontal arrangements) have been encouraging, while those from the onshore facilities have been less so. Three experiments were performed with two species of sponges in order to develop a suitable method of sponges’ mariculture in parallel with fish farming with the following objectives: (a) to study the robustness of the sponges, (b) to investigate the method of harvesting in order to ensure sustainability of their biotopes, (c) to investigate the modes of transport from the harvesting areas to the experimental unit, (d) to examine a biological decontamination technology in closed bays and protected areas thanks to the high filtration capacity of the sponges.

Keywords: Fish cages, Hippospongia communis, Sponge mariculture, Spongia officinalis officinalis.

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