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Man, Just when I thought it was safe to get back in the water...
I was working for US AID on an Inter-American Bank project during 1874 and 75. We were assessing the fisheries resources in Lago de Nicaragua. Most of the work was stock assessment stuff, e.g., tag and recapture studies and such.
I’d heard stories about the Bull Sharks in the lake and I had some concerns so I usually dove with a shark billy and also had a Farallon Shark Dart (Magnum model) that my mother had sent me off with that I promised her I'd carry. It was mounted in a PVC tube on the right side of my backpack.
The Farallon Shark Dart is a sharpened hollow spike with CO2 cylinder. If you poke the spike into a shark, a metal disk drives a pin into the cylinder, punctures it, and the gas travels out the hollow spike and into the shark. Sharks lak any fascia to hold their internal organs in place so the gas inflates the shark like a balloon, pushing it's interal orgams out it's mouth and forcing the shark to the surface.
This picture is of the small version, the one I had used the giant CO2 cartridges, a two foot pole and no sheath.
Anyway, to make a long story short, whilst diving to do some transect work I had a Bull Shark start to circle me and displaying aggressively (back arched, pectorals down, etc.). The circles got smaller and smaller and finally he was in real tight and I was holding the shark’s head away from me with the billy. We were spinning from right to left. The shark flicked away from me and cut my leg rather badly with what I can only assume was his pectoral fin. He went out about fifteen feet and turned back at me, I reached over my shoulder and pulled the Shark Dart (with a shaft about two feet long attached) up out of the tube and over my shoulder. I glanced about for my buddy, but he was no where to be found.
The shark came straight at me and I fended him off with the bily, I brought the dart around and stabbed him with it. Nothing happened. I pulled the dart out of him, still with the billy pushing against his head. I could see that I’d not pulled the little orange clip off the dart to arm it.
It was one of the moments like when Butch and Sundance jump off the cliff, OH ...! I was pretty scared, I could not arm the damned thing without using my left hand (which was holding the shark off) or my teeth (which were holding my regulator). After what seemed like a long time spinning around with the billie held against the shark’s head (likely it was really five to ten seconds, but time is hard to judge in adrenal drenched retrospect) the shark once again retreated and went back into aggressive displaying I dropped the billiy on its lanyard, reached up and pulled the clip off and recovered the billy as quickly as I could.
The shark charged once again, and once again I parried his head with the billy, as we started to turn I poked him hard with the dart and this time it went off with a woosh. I could see his guts being forced out his mouth and he went head up. I had a little trouble pulling the dart out due to the angle.
I checked my compass and headed back toward shore which was a few hundred yards away, after going a little way I decided to surface and look for Buddy. He was a little ways off and was pulling the dying shark with a transect rope he’d secured about the tail. I went over to him and lent a hand. We towed it into shore and gave it to the old woman that was sort of in charge of the little village we were staying in. The cooked the whole thing up and we had a rather nice fiesta. Bull shark washed down with a bottle each of Flor de Cana Especial.
I cut the jaws out and brought them home. For years they were nailed to the wall and I used them to hang keys on. A friend of mine, an artist named Peruko Ccopacatty (who is a rather well know metal sculptor) saw the jaws hanging there and asked for them so that he could make me something appropriate to hold it. He made me a metal tube sculpture that is clearly squaliform, but that also looks a bit like a cross, and has the jaws mounted in it. It’s on my wall to this day.