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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Dorsal view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the Yakima River in Washington
Some characteristics from the microscope images for the tentative species id: The postero-lateral projections are found only on segment 9, not segment 8. Based on the key in Jacobus et al. (2014), it appears to key to Neoleptophlebia adoptiva or Neoleptophlebia heteronea, same as this specimen with pretty different abdominal markings. However, distinguishing between those calls for comparing the lengths of the second and third segment of the labial palp, and this one (like the other one) only seems to have two segments. So I'm stuck on them both. It's likely that the fact that they're immature nymphs stymies identification in some important way.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Tomlove007 has attached these 3 pictures to this report. The message is below.

Report at a Glance

General RegionChina
Specific LocationGuangdong
Dates FishedOctober 29th of 2020
Time of Day17

Details and Discussion

Tomlove007
Tomlove007's profile picture
uk

Posts: 1
Tomlove007 on Nov 2, 2020November 2nd, 2020, 6:59 pm EST
Anybody know this fish? it seems dangerous if hurt by it's fin
Roguerat
Roguerat's profile picture
Posts: 456
Roguerat on Nov 5, 2020November 5th, 2020, 4:23 am EST
Not personally...

Seriously, it looks Bluegill-ish and the best way to hold any spiny fish is to get your hand/fingers AHEAD of the spines on the fins and fold them down against the fish's back. Yeah, a 'finning' hurts, too many times to count...

nice pic, too!

Roguerat

'Less is more...'

Ludwig Mies Vande Rohe
Tomlove007
Tomlove007's profile picture
uk

Posts: 1
Tomlove007 on Nov 7, 2020November 7th, 2020, 11:45 am EST
Thanks for your reply, my friend told me that it is the Little Spinefoot with red dots, i am not sure!

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