(According to a report on deepseanews.com)
LINK to deepseanews article
Suggested causes so far...
...and another link, which suggests that they are known locally as "batfish" and that they were caught deliberately?
LINK to maannews.net
edit on 27-2-2013 by Gordi The Drummer because: to add link to new info
Looks like the story may have originated on an Italian news site? (repubblica.it)
There are several more pictures there, and they are quite graphic.
LINK to repubblica site
edit on 27-2-2013 by Gordi The Drummer because: to add 2nd link