Brachionus rotundiformis Tschugunoff, 1921 from the Brachionus plicatilis species complex (Rotifera: Monogononta): A new record from Galápagos Archipelago, Ecuador

  • Carlos López Universidad Técnica de Manabí (UTM), Facultad de Ciencias Veterinarias, Escuela de Acuicultura y Pesquería - Ciudadela Universitaria. Bahía de Caráquez, Manabí. Ecuador; Escuela Superior Politecnica del Litoral (ESPOL), Facultad de Ciencias de la Vida, Centro del Agua y Desarrollo Sustentable - Guayaquil, Ecuador; Universidad del Zulia (LUZ), Facultad Experimental de Ciencias, Departamento de Biología. Maracaibo, Venezuela. http://orcid.org/0000-0001-5267-7257
  • Miriam Steinitz-Kannan Northern Kentucky University (NKU), Department of Biological Sciences - Highland Heights, Kentucky, United States. http://orcid.org/0000-0002-6361-0186
  • Georgia Stamou Aristotle University of Thessaloniki (AUTH), School of Biology, Department of Zoology - Thessaloniki, Greece. http://orcid.org/0000-0002-0709-3698
  • Evangelia Michaloudi Aristotle University of Thessaloniki (AUTH), School of Biology, Department of Zoology - Thessaloniki, Greece. http://orcid.org/0000-0001-8194-2865
  • Spiros Papakostas University of Turku (UTU), Department of Biology, Division of Genetics and Physiology - Turku, Finland. http://orcid.org/0000-0002-5563-0048
  • Diego Fontaneto Water Research Institute (IRSA), National Research Council - Verbania. Pallanza, Italy. http://orcid.org/0000-0002-5770-0353
  • Hendrik Segers Royal Belgian Institute of Natural Sciences, Direction of Natural Environment - Brussels, Belgium. http://orcid.org/0000-0001-5399-3657
Keywords: Brachionidae, Geographical distribution, Neotropics, Rotifers, South America

Abstract

The presence of the rotifer species Brachionus rotundiformis from the B. plicatilis species complex in Lake Arcturo, a saline lake in the Genovesa Island of the Galápagos Islands, is here reported. This is the first record of the species for the rotifer fauna of Ecuador as well as of the species complex to the Galápagos Islands. This finding is consistent with the idea of high dispersion capacity, and of cosmopolitan distribution of this species complex. Because Genovesa Island is uninhabited, passive transport by wind currents and zoochory by migrant birds seem to emerge as the most plausible factors in this process of colonization. Integrative studies on the morphological variations, genetic, molecular, and ecological aspects are still required to further understand the process of dispersion and the ecology of this member of the B. plicatilis species complex in this remote and isolated locality, and the exact taxonomical position of the island’s population to the other members of the complex.

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Author Biographies

Carlos López, Universidad Técnica de Manabí (UTM), Facultad de Ciencias Veterinarias, Escuela de Acuicultura y Pesquería - Ciudadela Universitaria. Bahía de Caráquez, Manabí. Ecuador; Escuela Superior Politecnica del Litoral (ESPOL), Facultad de Ciencias de la Vida, Centro del Agua y Desarrollo Sustentable - Guayaquil, Ecuador; Universidad del Zulia (LUZ), Facultad Experimental de Ciencias, Departamento de Biología. Maracaibo, Venezuela.

Bahía de Caráquez, Manabí. Ecuador EC131402.
Campus Gustavo Galindo, km 30.5, Vía Perimetral, Guayaquil, Ecuador.
Maracaibo 4011‑A. Venezuela.

Miriam Steinitz-Kannan, Northern Kentucky University (NKU), Department of Biological Sciences - Highland Heights, Kentucky, United States.

Highland Heights, Kentucky 41099, United States.

Georgia Stamou, Aristotle University of Thessaloniki (AUTH), School of Biology, Department of Zoology - Thessaloniki, Greece.

GR‑54124 Thessaloniki, Greece.

Evangelia Michaloudi, Aristotle University of Thessaloniki (AUTH), School of Biology, Department of Zoology - Thessaloniki, Greece.

GR‑54124 Thessaloniki, Greece.

Spiros Papakostas, University of Turku (UTU), Department of Biology, Division of Genetics and Physiology - Turku, Finland.

Turku, Finland.

Diego Fontaneto, Water Research Institute (IRSA), National Research Council - Verbania. Pallanza, Italy.

Verbania. Pallanza, Italy.

Hendrik Segers, Royal Belgian Institute of Natural Sciences, Direction of Natural Environment - Brussels, Belgium.

Brussels, Belgium.

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Published
2019-04-23
How to Cite
López, C., Steinitz-Kannan, M., Stamou, G., Michaloudi, E., Papakostas, S., Fontaneto, D., & Segers, H. (2019). Brachionus rotundiformis Tschugunoff, 1921 from the Brachionus plicatilis species complex (Rotifera: Monogononta): A new record from Galápagos Archipelago, Ecuador. Papéis Avulsos De Zoologia, 59, e20195921. https://doi.org/10.11606/1807-0205/2019.59.21
Section
Original Article