" They can be a bit of a predator, "
@rugerman
Having been a keen Diver for years & with the Fiordland as our back yard we have had many bust ups with aggressive Eels over the years protecting their patch .My many encounters diving with them & like many growing up running amuck in the bush behind the family farm, with eels commonly being the feed of choice while all us kids went on our own camping trips ,lead to me always having a interest in them & if you do a bit of research they are fascinating creatures that science does still not know a lot about.
Scientists still do not fully understand their migration & breeding cycle at sea ,with failed GPS tagging due to the deep depths they swam at ,with one being logged at a extended time before being lost at close to a 1000mtrs & all swam too deep for light reception on the tags , many believe they Spawn in the Tonga Trench with one GPS tagged eel tracked off the coast east of New Caledonia. Also reading old historic accounts of shoals of the "Glass Eels' migrating back up the Waikato River & having shoals being observed "thick enough to walk over from bank to bank " that went past a stationary point for two days and two nights without stopping, showing what has been lost.
A couple of weeks ago l posted on a hunt where l head shot a Deer as it was crossing a rock bar in the river & fell into the river where l had to wade in to recover it , the water was crystal clear & freezing & much to my missus's amusement l elected to strip off to save having soaking clothes for the rest of the hunt . So l took my time wading across to the deer gathering the strength for the final family jewels dunking & its taking the wind out of you, as l looked closer at the deer l noticed the shot behind the right ear had taken the brain completely out & it laid on the river floor ,next to a large submerged tree trunk & already about a dozen Eels were out & feeding & aggressively attacking the brain .
After watching this fascinating sight for as long as l could tolerate the cold water ,l grabbed a leg on the Deer & waded it back out to the bank ,my missus who had witnessed all this yelled out for me to get out & look behind you & when l did 4 of these large Eel were in the blood trail of the moving deer carcass & 2 were actually latched on & did not let go until the deer was on the bank .
In all my years in the bush l have never seen Eels move so quickly from cover to "attack" a food source or so boldly .Here is a pic the missus managed to get after they had chased & latched on to the deer carcass l am guessing 20mtrs away from where they were feeding on the brain & totally in the open with no fear of predators ,me or the deer . You can still see the mouth full of fur floating above it, where it had bitten & held on as l dragged the Deer out of the water.
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