Fecundity and reproductive output of the caridean shrimp Periclimenes paivai associated with scyphozoan jellyfish

Isabela Ribeiro Rocha de Moraes, Milena Regina Wolf, Geslaine Rafaela Lemos Gonçalves, Antonio Leão Castilho

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Periclimenes paivai is notable for its symbiotic lifestyle with jellyfish. The objective of this study was to investigate the fecundity and reproductive output of females, and specifically to determine whether females protected in their host have a greater reproductive success than other shrimp species. All anatomical parts of the medusae were analyzed and the P. paivai individuals were separated. Among 83 females analyzed, 65 presented embryos in the first developmental stage, and 18 were in the final stage of development. The mean fecundity was 229.08 ± 120.04 in initial-stage embryos and 191 ± 114.76 in final-stage embryos. We observed a positive relationship between the embryo number and the female size; however, the embryo number was not related to the embryonic stage, which indicates that females did not lose their embryos during the incubation period. The weight of brood mass during production is closely related to the female weight according to the results of linear regression, as fecundity increased with female size. In its symbiosis, P. paivai can increase the amount of energy used to produce embryos (mean reproductive output = 10.38%) and can elevate the reproductive success.

Original languageEnglish
Pages (from-to)71-77
Number of pages7
JournalInvertebrate Reproduction and Development
Issue number2
Publication statusPublished - 3 Apr 2017


  • medusae
  • Palaemonidae
  • Reproductive biology
  • symbiosis


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