23kg --Bass Groper?

Realease lead shot .

 You can see it and the fish going down, a fainter line almost vertical because it is going down pretty quick but angling out slightly on the drift, maybe just on the edge of the beam. . A 5lb release weight had it hanging down, the 14lb sent it down like a bullet. The short horizontal line is the weight hanging there for a few moments as it swings directly below, the horizontal line below it would be the fish swimming flat for a moment, then a strong return as it goes down. You can see the weight being winched up , srong return because it is slow and wobbling and swinging around  around as we work hard to pull it up 60 m on the Alvey we use for release nowadays.

See what Your explaining. Tech now days is unreal. I will stick to my crappy jrc. Love it for finding fish.

 I'm running a bit much gain on most of those shots. Hadn't bottom fished in those depths (200m +) before, had auto gain plus 25% or so to make sure I hadn't missed anything.Once I had a good showing, realised I didn't need so much,but we were finished then.  Same with the stuff in 70 to 100m, should dial it back a bit. 

Have just read of people running there P66 transom mount transducer as a through hull...as long as hull is glass and it's siliconed or appoxy down with no air it's all good.

Anyone done this ??..I have access and have struggled getting a good reading at speed.

A PVC pipe cut to the deg of the (angle) of the hull then siko to hull ,

then siko the ducer to the lid of the cap of the pipe.
Ducer will be level ,fill with distill water,cooking oil, coolant .
Bevel the pvc at cap end for o ring use your Magyver skills.

 here's a few from last month, up near Exmouth

We pulled two flame snapper off this vertical drop, goes around 20m vertical

Same edge, zigzagging on and off. Not a lot of fish showing, but they were thick, just not schooling. Instant hookups on rubies every drop until we had our bag, scattered over quite an area. Also a greybar cod.

Rubies on top and down the bottom on the sand and rubble, different edge

Drifting along the very top of the edge, got 3 8-bar cod including one of 23kg

A few nice goldband in 85m

some more goldband

They weren't schooling up as well this year on the few times we tried for them, but enough to bag out pretty easily.

I have found that you don't need to see a lot of fish on that deeper ground to get them, not always schooled up, seemingly just spread out and feeding sometimes.

First a sidescan/ downscan shot in Exmouth Gulf. This is over at Eva island, driving straight off the shallows onto the sand. I spent most of my time in the Gulf during tthe school holidays, and used this pretty well full time. It gives you a much better idea of the ground than straight sonar in shallow water. RV-100 transom Mount tx.

Out deep dropping in the next shots. The shot below is what we saw bas we hooked up 3 8 Bar Cod in one drop , to 23kg. You can't see the fish as the drift was a bit quick, and they were out of the beam cone.

next is a drop I found of almost 30 metres going down to 310m. Lots of drops bigger than this up closer to Exmouth, but it's pretty flat further south.

The fish on the drop were Flame snapper.

This doesn't look like much of a showing, but it was instant hook-ups on good rubies every drop. Bagged out in three drops each. The fish were spread out and feeding, apparently, rather than schooling.

first trip out with evo 3 and tm260

https://photos.app.goo.gl/rWTFC2nP7JL5hk7r5

https://photos.app.goo.gl/2Rj8AxXcz4BJUGzY7

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Nice pics. Bottom discrimination is good, and there are some nice large individual fish showing.