Reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus in captivity

The reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus were described starting from adult mating pairs under laboratorial conditions. The pairs were individually kept in aquaria under constant conditions of salinity (35%), temperature (26 ± 0.5°C) and photop...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Gregati, R.A., Fransozo, V., López-Greco, L.S., Negreiros-Fransozo, M.L.
Formato: JOUR
Materias:
Gonad development
Ornamental shrimp
Reproductive cycle
Stenopodidea
Stenopus hispidus
crustacean
hatching
marine ecosystem
mating behavior
ornamental species
photoperiod
reproductive cycle
salinity
spawning
temperature effect
Decapoda (Crustacea)
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00448486_v306_n1-4_p185_Gregati
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00448486_v306_n1-4_p185_Gregati
record_format dspace
spelling todo:paper_00448486_v306_n1-4_p185_Gregati2023-10-03T14:51:51Z Reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus in captivity Gregati, R.A. Fransozo, V. López-Greco, L.S. Negreiros-Fransozo, M.L. Gonad development Ornamental shrimp Reproductive cycle Stenopodidea Stenopus hispidus crustacean hatching marine ecosystem mating behavior ornamental species photoperiod reproductive cycle salinity spawning temperature effect Decapoda (Crustacea) Stenopodidea Stenopus hispidus The reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus were described starting from adult mating pairs under laboratorial conditions. The pairs were individually kept in aquaria under constant conditions of salinity (35%), temperature (26 ± 0.5°C) and photoperiod (12L:12D). Molting, mating, spawning and hatching were recorded during three consecutive reproductive cycles. Females at different stages of ovarian development were anesthetized and their ovaries were removed, photographed, fixed and processed for histological examination. Mating occurred after female molting. Mean incubation time was 22.8 ± 2.1. days and mean intermolt periods were 25.5 ± 2.3. days for females and 26 ± 4.1. days for males. The ovaries varied in size and color during each reproductive cycle, which could be clearly seen through the transparent carapace. Spent ovary (translucent), lasted for 3. days after egg spawning; developing ovary (white), lasted 7. days; developed ovary (light green), between 5 and 8. days and advanced ovary (dark green) lasts 10 to 13. days. Microscopically, the ovarian stages differed in proportion of follicular cells, oocytes and oogonia. Follicular cells were abundant and mature oocytes were absent at the spent stage, while the number and size of secondary oocytes increased gradually thereafter. The present study indicates that S. hispidus can undergo multiple reproductive cycles under culture conditions. The changes in the macroscopic appearance of the ovary are strongly associated with the reproductive cycle. © 2010 Elsevier B.V. Fil:López-Greco, L.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00448486_v306_n1-4_p185_Gregati
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Gonad development
Ornamental shrimp
Reproductive cycle
Stenopodidea
Stenopus hispidus
crustacean
hatching
marine ecosystem
mating behavior
ornamental species
photoperiod
reproductive cycle
salinity
spawning
temperature effect
Decapoda (Crustacea)
Stenopodidea
Stenopus hispidus
spellingShingle Gonad development
Ornamental shrimp
Reproductive cycle
Stenopodidea
Stenopus hispidus
crustacean
hatching
marine ecosystem
mating behavior
ornamental species
photoperiod
reproductive cycle
salinity
spawning
temperature effect
Decapoda (Crustacea)
Stenopodidea
Stenopus hispidus
Gregati, R.A.
Fransozo, V.
López-Greco, L.S.
Negreiros-Fransozo, M.L.
Reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus in captivity
topic_facet Gonad development
Ornamental shrimp
Reproductive cycle
Stenopodidea
Stenopus hispidus
crustacean
hatching
marine ecosystem
mating behavior
ornamental species
photoperiod
reproductive cycle
salinity
spawning
temperature effect
Decapoda (Crustacea)
Stenopodidea
Stenopus hispidus
description The reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus were described starting from adult mating pairs under laboratorial conditions. The pairs were individually kept in aquaria under constant conditions of salinity (35%), temperature (26 ± 0.5°C) and photoperiod (12L:12D). Molting, mating, spawning and hatching were recorded during three consecutive reproductive cycles. Females at different stages of ovarian development were anesthetized and their ovaries were removed, photographed, fixed and processed for histological examination. Mating occurred after female molting. Mean incubation time was 22.8 ± 2.1. days and mean intermolt periods were 25.5 ± 2.3. days for females and 26 ± 4.1. days for males. The ovaries varied in size and color during each reproductive cycle, which could be clearly seen through the transparent carapace. Spent ovary (translucent), lasted for 3. days after egg spawning; developing ovary (white), lasted 7. days; developed ovary (light green), between 5 and 8. days and advanced ovary (dark green) lasts 10 to 13. days. Microscopically, the ovarian stages differed in proportion of follicular cells, oocytes and oogonia. Follicular cells were abundant and mature oocytes were absent at the spent stage, while the number and size of secondary oocytes increased gradually thereafter. The present study indicates that S. hispidus can undergo multiple reproductive cycles under culture conditions. The changes in the macroscopic appearance of the ovary are strongly associated with the reproductive cycle. © 2010 Elsevier B.V.
format JOUR
author Gregati, R.A.
Fransozo, V.
López-Greco, L.S.
Negreiros-Fransozo, M.L.
author_facet Gregati, R.A.
Fransozo, V.
López-Greco, L.S.
Negreiros-Fransozo, M.L.
author_sort Gregati, R.A.
title Reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus in captivity
title_short Reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus in captivity
title_full Reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus in captivity
title_fullStr Reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus in captivity
title_full_unstemmed Reproductive cycle and ovarian development of the marine ornamental shrimp Stenopus hispidus in captivity
title_sort reproductive cycle and ovarian development of the marine ornamental shrimp stenopus hispidus in captivity
url http://hdl.handle.net/20.500.12110/paper_00448486_v306_n1-4_p185_Gregati
work_keys_str_mv AT gregatira reproductivecycleandovariandevelopmentofthemarineornamentalshrimpstenopushispidusincaptivity
AT fransozov reproductivecycleandovariandevelopmentofthemarineornamentalshrimpstenopushispidusincaptivity
AT lopezgrecols reproductivecycleandovariandevelopmentofthemarineornamentalshrimpstenopushispidusincaptivity
AT negreirosfransozoml reproductivecycleandovariandevelopmentofthemarineornamentalshrimpstenopushispidusincaptivity
_version_ 1807323761114873856

Ejemplares similares