Reproductive aspects of the poorly known and critically endangered freshwater snail Heleobia atacamensis (Gastropoda: Truncatelloidea)

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Zoological Science

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Introduction

Materials & Methods

Results

Oviposition pattern and development type

Sex ratio

Sexual dimorphism

Recruitment period

Discussion

Supplemental Information

Shell variables (mm) used in this study to evaluate sex ratio and sexual dimorphism in Heleobia atacamensis. F: female; M: male.

F: female; M: male.

DOI: 10.7717/peerj.11550/supp-1

Additional Information and Declarations

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Gonzalo A. Collado conceived and designed the experiments, wrote the paper, performed the experiments, analyzed the data, prepared figures and/or tables, and approved the final draft.

Elizabeth Chihuailaf conceived and designed the experiments, authored or reviewed drafts of the paper, performed the sampling, and approved the final draft.

Natalia Muñoz conceived and designed the experiments, authored or reviewed drafts of the paper, performed the sampling, and approved the final draft.

Manuel Contreras conceived and designed the experiments, authored or reviewed drafts of the paper, and approved the final draft.

Fernando Novoa conceived and designed the experiments, authored or reviewed drafts of the paper, and approved the final draft.

Moisés A. Valladares analyzed the data, authored or reviewed drafts of the paper, and approved the final draft.

Field Study Permissions

The following information was supplied relating to field study approvals (i.e., approving body and any reference numbers):

Field experiments were approved by the Undersecretary of Fisheries, Republic of Chile (Exempt Resolution No. 1253/2018 and 1720/2019).

Data Availability

The following information was supplied regarding data availability:

The raw measurements of sex ratio and sexual dimorphism are available in the Supplemental File.

Funding

This work was supported by the Compañía Minera Albemarle Ltda. and Centro de Ecología Aplicada Limitada, Chile. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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