Occurrence of pantropical spotted dolphin (Stenella attenuata) in northern Peru: an El Niño effect?
- Sarai Cortez-Casamayor(corresponding author),
- Keyssi A. Rodriguez,
- Salvador Gubbins,
- Diego Cortés,
- Caterina Gutierrez,
- Sebastián Silva
- Pacifico Adventures-Manejo Integral del Ambiente Marino S.A.C,
- Conservación Megaptera,
- Royal Roads University,
- School of Environment and Sustainability
Research Output:
Contribution to journal
Article
Peer-reviewPublication Information
Output type
Research Output:
Contribution to journal
Article
Peer-reviewOriginal language
EnglishPages from-to (Number of pages)
Pages 182-188 (7 pages)Journal (Volume, Issue Number)
Mammalia (Volume 89, Issue 2)Publication milestones
- Published - 01/03/2025
Publication status
Published - 01/03/2025
ISSN
0025-1461Publication IDs
- Scopus: 86000383750
Abstract
The Peruvian coast is considered the southern limit of the distribution area of the pantropical spotted dolphins (Stenella attenuata) in the Eastern Tropical Pacific. However, sightings of this species were scattered and scarce. This study reports an unexpected increase in sightings of this species in northern Peru from 2021 to 2023. Over this period, a total of 34 groups were recorded, with 85.3% (n = 29) observed just in 2023. This significant rise in sightings suggests shifts in dolphin distribution related to rising sea surface temperatures associated with a strong El Niño event.
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