On the presence of Branchiostoma elongatum juveniles (Cephalochordata: Branchiostomatidae) on the north-central coast of Chile

Armando Mujica, María Luisa Nava, Francisco Leiva-Dietz

Submited: 2021-12-06 12:50:14 | Published: 2022-08-31 19:53:20

DOI: https://doi.org/10.3856/vol50-issue4-fulltext-2879

Abstract


The presence of juvenile Branchiostoma elongatum captured in plankton samples from the north-central coast of Chile during February-March of consecutive years (2013-2020) is described. Its low abundance showed interannual variation as well as its frequency of occurrence. Its geographical distribution was preferably coastal. It covered the entire sampling area (1-20 nm from the coast) longitudinally, and specimens were captured between the extreme north of the sampling area and 30°20’S. The lowest abundances were found in years of negative thermal anomalies (2017-2018) and the highest mainly in neutral conditions (2013-2015).

Mujica A, Nava M, Leiva-Dietz F. On the presence of Branchiostoma elongatum juveniles (Cephalochordata: Branchiostomatidae) on the north-central coast of Chile. Lat. Am. J. Aquat. Res.. 2022;50(4): 622-627. Available from: doi:10.3856/vol50-issue4-fulltext-2879 [Accessed 30 Jan. 2023].
Mujica, A., Nava, M., & Leiva-Dietz, F. (2022). On the presence of Branchiostoma elongatum juveniles (Cephalochordata: Branchiostomatidae) on the north-central coast of Chile. Latin American Journal of Aquatic Research, 50(4), 622-627. doi:http://dx.doi.org/10.3856/vol50-issue4-fulltext-2879