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Effect of direct transfer to different salinities on early juvenile pot-bellied seahorse, Hippocampus abdominalis, survival in culture conditions
journal contribution
posted on 2023-05-19, 00:17 authored by Martinez-Cardenas, L, Gary PurserGary PurserIn Tasmania, commercial seahorse culture takes place in tank systems in which approximately 75% of the water is exchanged daily from the Tamar River estuary. The aim of this study was to examine the effect on survival of early juvenile pot-bellied seahorses, Hippocampus abdominalis, directly transferred and cultured for 9 d in salinities of 5, 10, 15, 20, 25, and 32 g/L. Direct transfer of seahorses to 5 g/L salinity resulted in 100% mortality within 7 d. After 9 d, an improvement in survival was recorded in seahorses cultured in 10 and 15 g/L compared to those cultured in 25 and 32 g/L salinities. This study is the first to report on the tolerance of H. abdominalis in captivity at salinities as low as 10 g/L in early life stages without compromising survival.
History
Publication title
Journal of the World Aquaculture SocietyVolume
47Pagination
201-206ISSN
0893-8849Department/School
Institute for Marine and Antarctic StudiesPublisher
World Aquaculture SocietyPlace of publication
Louisiana State Univ, 143 J M Parker Coliseum, Baton Rouge, USA, La, 70803Rights statement
© Copyright by the World Aquaculture Society 2016Repository Status
- Restricted