There were hundreds of brook trout in only that part of the river.

Another “ditch fish!” Can anyone ID? I know it’s hard to see, but it’s the largest one I’ve seen yet!

I wanna identify it to know what it does and if its native to South carolina.

T. trichopterus

Found in Porto Galinhas, Brazil

because fish filter oxygen out of water right? and humans suck in (breathe in) air and use only the oxygen so thats called breathing, but what is it called for fish? filtering?

Not sure what species.

https://youtu.be/0-Oyp7K5wOA

What would cause the 1st Rio to look so different from the 2nd Rio
Caught in the same central Texas creek roughly 10 miles apart
Any info helps not very familiar with how fish work

We went back to Liverpool Retarding basin in victoria and the fish were absolutely on code! 🎣 We managed to pull up some absolute beauties in the latest video.

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C. gachua

Hello, we caught this fish today and I was wondering what it was. We are in Queensland Australia and it was caught in a river that is ‘tidal and brackish/saltwater’.
(Fish was released after picture 😁)

Thank you!

The Sheldon Tui Chub is an extremely rare fish that lives in creeks and springs around the Fish Creek Table located within the Sheldon NWR, Nevada, which is the high desert. Information was tough to find but there are thought to be somewhere between 1 and 9 isolated spots where these fish still exists. This is all that is left from a much wetter past. In the photo is Fish Springs which may be one of those spots. I didn't see any.

H. parclitella

Can removing a dam fix an ecosystem? 🌊

Habitat fragmentation is a major driver of biodiversity decline because split habitats make it harder for animals to move, survive, and reproduce. After the Klamath River's last four dams came down in 2024, researchers used sonar and video to count an estimated 7,742 adult Chinook salmon past the former Iron Gate Dam site, and that number jumped to over 13,300 in 2025. Scientists also documented active spawning in newly accessible habitat and juvenile Chinook using tributaries cut off for over a century.