In 1967, the #DSRV #Alvin was attached by a #swordfish at a depth of c 600m. The swordfish charged the vessel at speed and got virtually the whole of its rostrum embedded in Alvin's hull. The fish survived ascent to the surface but was killed and eaten. Cont... 
#Swordfish (and other billfishes) have often rammed large objects at speed - their broken rostra have been recovered from ship hulls, turtle shells and baleen whale heads. In 2016, one rammed a diver doing maintenance on a Brazilian oil platform and impaled his air tank...
A 2021 study by Patrick Jambura et al. described a case in which a dead Bigeye thresher shark was discovered with a partial #swordfish rostrum embedded in its gill region. You can read that study here... link.springer.com/article/10.100…
There are also a few cases where people have been killed by #swordfish. In one case, a diver was rammed in the head and died; in a 2021 case, a swordfish impaled a dive instructor through the chest. People have also been speared through the back and neck.
Annoying typo upthread: ATTACKED, not attached!! Lord save us from autocorrect, how I hate it.
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