Predator or Opportunist: Feeding behavios of Kynaria cynara (Marcus & Marcus, 1976) in captiviti

Authors

  • Isabela Ramirez Ramirez-Mendoza Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author
  • Mónica Anabel Ortíz-Arellano Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author https://orcid.org/0000-0002-7870-3852
  • Carlos Adrián Luna-Avila Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author
  • Moisés de Jesús Castillo-Gallardo Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author
  • Verónica Vanesa Bernal-Ramírez Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author
  • Maricela Aguilar-Juárez Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author https://orcid.org/0000-0003-0862-5542

Keywords:

feeding, nudribranch, Behaviour, opportunist, hydrozoans

Abstract

Nudibranchs are considered specialist consumers due to their limited selectivity in prey choice. However, the feeding behavior of these gastropods has not been extensively studied, as most research focuses on taxonomic listings and illustrated catalogs, which limits the understanding of their role in the food chain. This study evaluates the feeding behaviour of Kynaria cynara in captivity and compares the results with previous reports. It confirms that their main diet consists of hydrozoans, agreeing with some authors, but differs in showing that they can also attack and consume other sea slugs. Therefore, this species appears to be opportunistic, feeding on various biological groups. This dietary plasticity likely responds to factors such as prey availability and energetic demands. This study expands knowledge about the feeding behavior of heterobranchs and their role as population regulators in marine ecosystems.

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Author Biography

  • Isabela Ramirez Ramirez-Mendoza, Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México.

    Estudiante de Facimar

References

Behrens, D. W., Fletcher, K., & Jensen, G. (2022). Nudibranchs & Sea Slugs of the Eastern Pacific. Molamarine.

Camacho García, Y. E., Gosliner, T. M., & Valdés , Á. (2005). Guía de campo de las babosas marinas del Pacífico Este Tropical / Field Guide to the Sea Slugs of the Tropical Eastern Pacific (1ª ed.). California Academy of Sciences.

Cattaneo, V. R., & Boero, F. (1988). Relationships between eolid (Mollusca, Nudibranchia) radular morphology and their cnidarian prey. Bolletino Malacologico, 24, 215-222. Obtenido de https://zenodo.org/records/16154015/files/bhlpart184305.pdf?download=1

Hermosillo, A., Behrens, D., & Ríos Jara, E. (2006). Opistobranquios de México: guía de babosas marinas del Pacifico, Golfo de California y las islas oceánicas. Conabio.

Morse, M. P. (1969). On the feeding of the nudibranch, Coryphella verrucosa rufibranchialis, with a discussion of its taxonomy. Nautilus, 82(2), 37-40.

Nybakken, J., & McDonald, G. (1981). Feeding mechanisms of West American nudibranchs feeding on Bryozoa, Cnidaria and Ascidiae, with special respect to the radula. Malacologia, 20, 439-449. Obtenido de https://www.researchgate.net/publication/305721839_Feeding_mechanisms_of_west_American_nudibranchs_feeding_on_Bryozoa_Cnidaria_and_Ascidiacea_with_special_respect_to_the_radula

Simberloff, D., & Dayan, T. (1991). The guild concept and the structure of ecological communities. Annual Review of Ecology and Systematics, 22, 115–143. doi:https://doi.org/10.1146/annurev.es.22.110191.000555

Thompson, T. E., & Brown, G. H. (1984). Biology of opisthobranch molluscs (Vol. II). London: Ray society.

Tyndale, E., Avila, C., & Kuzirian, A. M. (1994). Food detection and preferences of the nudibranch mollusc Hermissenda crassicornis: experiments in a Y-maze. Biological bulletin, 274-275. Obtenido de https://www.journals.uchicago.edu/doi/10.1086/BBLv187n2p274

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Published

2025-12-19

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