A novel protocol for the laboratory rearing of the mysid species Mesopodopsis slabberi (Van Beneden, 1861)
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1
Polytechnic Institute of Leiria, Portugal
Seahorses from the Syngnathidae family are slowly gathering importance throughout the world as species for the ornamental market. However, promoting their growth in captivity is complicated due to the difficulties in finding a proper feed. Mysids such as Mesopodopsis slabberi present themselves as an effective food source for these fishes during the entire rearing process, as they display an ideal size, nutritional value and acceptability. Yet there is no record of laboratory maintenance or reproduction protocols for them. Hence, it is here displayed the results of the first attempt to close the life cycle and to successfully establish laboratory rearing protocols for this species.
The juveniles were submitted to two temperature treatments, one constant and one oscillatory and fed with microalgae enriched rotifers (Tetraselmis chuii, Phaeodactylum tricornutum and a combination of both) or Artemia sp. nauplii during the entire experiment.
It was concluded that the combination between the oscillatory temperature regime and the use of nauplii as the food source attained the best survival rates (aprox. 70% after a month) as well as an increased growth (up to 1,54mm after 14 days). Finally, it was possible to define the ideal daily feed concentration throughout the experience, with values ranging between 30 and 230 artemia prey / juvenile, respectively to 1 and 30 days-old Mesopodopsis juveniles.
Keywords:
Mesopodopsis slabberi,
life cycle,
Laboratory rearing,
phaeodactylum tricornutum,
Tetraselmis chuii,
Artemia sp.,
Temperature regime
Conference:
IMMR | International Meeting on Marine Research 2016, Peniche, Portugal, 14 Jul - 15 Jul, 2016.
Presentation Type:
Poster presentation
Topic:
Aquaculture
Citation:
Ferreira
IA,
Ferreira
GD,
Rato
LD and
Leandro
SM
(2016). A novel protocol for the laboratory rearing of the mysid species Mesopodopsis slabberi (Van Beneden, 1861).
Front. Mar. Sci.
Conference Abstract:
IMMR | International Meeting on Marine Research 2016.
doi: 10.3389/conf.FMARS.2016.04.00045
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Received:
12 May 2016;
Published Online:
13 Jul 2016.
*
Correspondence:
Dr. Inês A Ferreira, Polytechnic Institute of Leiria, Peniche, 2520-641, Portugal, ginkgoferreira@gmail.com
Dr. Guilherme D Ferreira, Polytechnic Institute of Leiria, Peniche, 2520-641, Portugal, guilherme.ferreira@ipleiria.pt