Fecundity of Metamysidopsis elongata (Crustacea: Mysidae) from Mazatlán Bay, Sinaloa, Mexico

Authors

  • Armando Adolfo Ortega Salas Instituto de Ciencias del Mar y Limnología y Posgrado, Universidad Nacional Autónoma de México. Calzada Joel M. Camarena s/n, Mazatlán, Sinaloa, 82040. México e-mail: ortsal@cmarl.unam.mx http://orcid.org/0000-0002-5217-5932
  • Judith Nuñez Lecuanda Instituto de Ciencias del Mar y Limnología y Posgrado, Universidad Nacional Autónoma de México. Calzada Joel M. Camarena s/n, Mazatlán, Sinaloa, 82040. México e-mail: ortsal@cmarl.unam.mx
  • Sergio Rendón Instituto de Ciencias del Mar y Limnología y Posgrado, Universidad Nacional Autónoma de México. Calzada Joel M. Camarena s/n, Mazatlán, Sinaloa, 82040. México e-mail: ortsal@cmarl.unam.mx
  • Arturo Nuñez Pastén + Instituto de Ciencias del Mar y Limnología, UNAM. Calzada Joel M. Camarena s/n, Mazatlán 82040, Sinaloa

DOI:

https://doi.org/10.24275/uam/izt/dcbs/hidro/2018v28n1/Ortega

Keywords:

culturing, fecundity, marsupial, Metamysipdopsis elongata, post-marsupial

Abstract

Background. In any culturing of organisms, to calculate fecundity we need to know how many descendants are produced. Goals. Marsupial and post-marsupial fecundity was calculated for Metamysidopsis elongata (Holmes, 1900) in two culturing generations (F1 and F2), and wild caught from Mazatlán Bay. Methods. From September 2010 to October 2011, we carried out monthly sampling on foot with a plankton net with a mesh size of 1 000 ?m and a mouth opening of 50 cm in diameter. The fecundity evaluation was calculated with organisms fixed with formaldehyde at 4%. Culturing occurred at a density of 5 ind • L-1 at 22 ± 1 o C, salinity 32 ‰ with continuous aeration. The mysids were fed ad libitum with recently hatched Artemia nauplii. Results. The average marsupial fecundity was 6.28 ± 2.94 embryos per female in wild mysids, 4.51 ± 1.20 in the F1, and 3.72 ± 0.89 in the F2. The average post-marsupial fecundity was 5.86 ± 1.45 in wild mysids, 3.74 ± 1.20 in the F1, and 3.32 ± 1.42 in the F2. No correlation between the length of females and fecundity was found. Conclusions. The fecundity of the wild mysids was present throughout the sampling cycle and was lower than that of the cultivated ones.

 

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Author Biography

Armando Adolfo Ortega Salas, Instituto de Ciencias del Mar y Limnología y Posgrado, Universidad Nacional Autónoma de México. Calzada Joel M. Camarena s/n, Mazatlán, Sinaloa, 82040. México e-mail: ortsal@cmarl.unam.mx

Unidad Académica Mazatán, UNAM

Investigador Titula "A" T. C.

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Published

2018-05-30

How to Cite

Ortega Salas, A. A., Nuñez Lecuanda, J., Rendón, S., & Nuñez Pastén +, A. (2018). Fecundity of Metamysidopsis elongata (Crustacea: Mysidae) from Mazatlán Bay, Sinaloa, Mexico. HIDROBIOLÓGICA, 28(1), 103–108. https://doi.org/10.24275/uam/izt/dcbs/hidro/2018v28n1/Ortega

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