• Atlantic Naturalist

| Azorean Species | Common dolphin - Delphinus delphis - Golfinho comum

Updated: Sep 30, 2019




Scientific Name: Delphinus delphis (Linnaeus, 1758)).

Common Name (UK, FR, PT, ES, DE): Short-beacked Common dolphin. Dauphin commun à petit bec. Golfinho comum de bico corto. Delfín común de rostro corto. Gemeiner delfin


Short Species description: Belonging to the toothed cetaceans (Odontoceti). The smallest of the resident dolphins in the Azores, the Common dolphins have a characteristic yellow coloring pattern. In this species, the population in the North-east Atlantic Ocean is larger than the one in the Pacific. Females up to about 2.5 m and males up to 2.7 and may weight nearly 200 kg. Calfs are born 1/3 to 1/2 of adult size. Their preys are schooling fishes and squid. They live at least 25 years. (Carwardine 1995, Jefferson et al. 2015).


Population status: Least concern (overall species) with a global population estimated on 3,632,000 individuals. (Jefferson et al. 2015).


Occurrence in the Azores (including sason): Resident species in the Azores Archipelago. See throughout the year close to the coast can interact highly with the boats. Social can form mixed groups with other resident dolphin species, with striped and spotted dolphins as well. Seen swimming around large whales as well.


Habitat Use: Coastal and offshore, with a preference for upwelling-modified waters and areas with steep sea-bottoms. (Carwardine 1995, Jefferson et al. 2015).


Pod Size: large pod sizes of hundreds of animals. They can associate with other species as Stripped dolphins (Stenella coeruleoalba).


Typical Behaviour: High speed swimmers, often curious with boats. Pods usually segregated by sex and age. They can dive up to 200 m. (Carwardine 1995, Jefferson et al. 2015).


References

Cerwardine, M. (1995). Baleias Golfinhos e Botos; O guia com imagens de todos os cetáceos do mundo. London: Bertrand Editora.


Jefferson, T.A., Webber, M.A., Pitman, R.L. (2015). Marine Mammals of the World; A Comprehensive Guide of Their Identification. 2nd edition. London: El Sevier.


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