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University of Tasmania
Research on Big Bellied Seahorse
(Hippocampus abdominalis)

Dr John Purser, Co-ordinator of seahorse research, School of Aquaculture

Dr Purser has been working closely with Seahorse World since its inception and has been researching various aspects of seahorse culture since 1998 when he took over the co-ordination of the University's work from Prof. Nigel Forteath. He has supervised 15 Masters and PhD research projects some of which are described below. The main focus of the research has been to increase our understanding of seahorse culture and to solve problems as they have arisen, but ultimately it is the welfare of the seahorses in an aquarium environment which is important.

 
Zhongyuan Ouyang (2005): Effect of light intensity and photoperiod on the locomotor activity of juvenile seahorses

Ouyang is from China and completed his Master of Applied Science in Aquaculture in 2005. His project focused on how light intensity and day-length affected the seahorse movement patterns within the tanks. Seahorses are active during the day and are inactive at night. Generally the fish are most active before feeding; if there is an excess of food the activity levels are low while activity remains high after feeding if not enough food is given. Light intensities tested ranged from one to four fluorescent lights about 30cm above each tank; fish behaved in a similar fashion under every intensity. Total activity is higher in longer days.

  Leonardo Martinez Cartinez (2002-2005): Optimising husbandry practices for H. abdominalis

Leo is from Mexico and has an interest in the growing conditions of new-born seahorses. For his PhD studies he has been researching the environmental conditions and how these could be optimized to ensure good growth and survival. Environmental conditions researched include tank colour, salinity, temperature, substrate, density and turbidity.

 

School of Aquaculture
Tasmanian Aquaculture and Fisheries Institute
University of Tasmania

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