[MARMAM] New publication: Post-mortem examination on a striped dolphin reveals a potential fatal interaction with bottlenose dolphins in Italy

Davide Ascheri davide.ascheri at gmail.com
Tue Feb 13 10:45:56 PST 2024

Dear Marmam community,
My co-authors and I are pleased to share our recent publication:
Post-mortem examination on a striped dolphin (*Stenella coeruleoalba*)
reveals a potential fatal interaction with bottlenose dolphins (*Tursiops
truncatus*) in Italian waters, published in the Journal of the Marine
Biological Association of the United Kingdom.  You can view the article at

Despite attacks of bottlenose dolphins towards conspecifics and other
species of dolphins
being reported worldwide, inside the Mediterranean Sea these behaviours are
still considered
sporadic and have been, to date, only recorded in Spain and France, mostly
directed to striped
dolphins. In this work, we reported the necropsy outcomes of a dead striped
dolphin that suggest a fatal interaction with bottlenose dolphins inside
the Italian side of the Pelagos Sanctuary, Western Ligurian Sea. Results
from the post-mortem examination showed multiple, multifocal external rake
marks spaced 1–1.2 cm and several internal injuries, consisting of
subcutaneous and muscular haematomas and haemorrhages, multiple vertebral
and rib fractures, haemothorax and lung laceration. The inter-tooth
distance and all the internal findings were consistent with a fatal
traumatic interaction with bottlenose dolphins as reported in similar cases
in other parts of the world where the same results were found. No other
significant gross and microscopic findings and concurrent significant
pathogens were detected. This case highlights the existence of negative
interspecific interactions in an area where they have never been reported
before and adds new important information to the literature for
understanding their occurrence, expanding the geographical range of
observation in the western Mediterranean Sea.

If you have any questions don't hesitate to contact me:
info at delfinidelponente.it

Many thanks,
Best regards
Davide Ascheri

Dott. Davide Ascheri
tel. 3389287180


Via Regione Bussi 27, 1800 Imperia

*C.F. *91048910086*  E-mail: info at delfinidelponente.it
<info at delfinidelponente.it>*
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