Results 41 to 50 of about 2,218 (201)
Eventos de cetáceos enmallados en El Salvador
El enredo en las artes de pesca es reconocido como la principal amenaza moderna para las poblaciones de cetáceos a nivel mundial. A continuación, se presenta la primera evidencia de interacciones entre las pesquerías artesanales marino-costeras y los ...
Melvin Giovanni Castaneda +5 more
doaj +1 more source
Duration of unassisted swimming activity for spotted dolphin (Stenella attenuata) calves: implications for mother-calf separation during tuna purse-seine sets [PDF]
Size-related differences in power production and swim speed duration may contribute to the observed deficit of nursing calves in relation to lactating females killed in sets by tuna purse-seiners in the eastern tropical Pacific Ocean (ETP).
Edwards, Elizabeth F.
core
Comparative Analysis of the Whistles of Three Oceanic Dolphins in the Comoros
ABSTRACT The Shisiwani National Park (Anjouan, Comoros) is a cetacean biodiversity hotspot. However, the vocal behavior of marine mammals inhabiting the area has never been studied. In 2023, we conducted a 400‐nautical‐mile survey from a 5‐m motorboat to determine their presence.
Rihana Ali Ahmed +8 more
wiley +1 more source
The Mexican Central Pacific (MCP) has complex oceanographic dynamics, with a well-defined seasonal pattern and influence of interannual sea surface temperature anomalies. The present study investigated the relationship between the distribution/abundance
Evelyn R Díaz-Torres +4 more
doaj +1 more source
Catalog of Osteological Collections of Aquatic Mammals from Mexico [PDF]
This paper compiles available information on osteological and other anatomical specimens of at least 51 species of aquatic mammals (34 extant, one recently extinct and 16 fossil) collected in Mexico between 1868 and 1990 and housed in 29 scientific ...
Vidal, Omar
core
ABSTRACT Acoustic studies for any cetacean species in tropical Atlantic Ocean waters are scarce, especially for oceanic dolphins, such as the melon‐headed whale, Peponocephala electra. Here we describe a unique visual and acoustic record for this species, filling an information gap about the acoustic patterns of these delphinids in this part of the ...
Diana C. Freitas +6 more
wiley +1 more source
Investigating the feeding ecology of marine predators is critical for understanding their roles and functional importance in ecosystems. However, assessing the diet of large and wide-ranging predators can be challenging, particularly in the case of rare ...
Jeremy J. Kiszka +4 more
doaj +1 more source
Interpreting spotted dolphin age distributions [PDF]
Previous work has determined the age distribution from a sample of spotted dolphins (Stenella attenuata) killed in the eastern Pacific tuna purse-seine fishery.
Barlow, Jay, Hohn, Aleta A.
core
ABSTRACT Fraser's dolphin (Lagenodelphis hosei) remains poorly studied due to its elusive behavior, rarity, and preference for deep offshore habitats. While dolphins use frequency‐modulated whistles for communication, detailed acoustic descriptions exist for only a few species.
Laura J. May‐Collado +6 more
wiley +1 more source
ABSTRACT Aim For several decades, substantial efforts have monitored cetacean distribution and abundance in the western North Pacific. Large‐scale visual‐based line transect surveys have been conducted since the early 1980s, covering almost the entire western North Pacific.
Yu Kanaji, Shiho Furumaki, Hiroko Sasaki
wiley +1 more source

