r/whatsthisfish • • Dec 02 '17

Where did you see the fish? Put that in the title!

21 Upvotes

Just a reminder, because we've had a lot of posts recently that omit this information. Where was the fish? If you found it in the wild, that's very helpful information, and outside of tropical waters, the time of year can be helpful too. If it was in an aquarium, what sort? Was it a tank of fish from a particular region? Was it fresh water or salt water?

Other useful information can be, what kind of habitat (seagrass, sand, rocky surge, ...)? If you were diving, approximate depth?

But above all, give the location in your post title. Thanks.


r/whatsthisfish • • Jul 23 '26

New rule: Informative title

7 Upvotes

We've had too many titles like "what's this fish?" or "help me identify this". Put useful information in your title, and make it look different from other posts' titles so people can scan the sub and see which post is which.

The actual text of the new rule 4 is:

Do not use a vague generic title like "what is this fish?" or "need help identifying" - we all know what this sub is for. Write a title that either describes the fish, or the circumstances in which you saw it, or the location, or more than one of those. For a resource, say what the resource is and what it's for.


r/whatsthisfish • • 6h ago

Striped fish caught in the ocean in Japan early this afternoon. Any ideas?

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21 Upvotes

I caught it in the ocean early this afternoon using marine worms.


r/whatsthisfish • • 9h ago

Green Sunfish or Greengill hybrid? Maybe neither?

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4 Upvotes

(Caught at Olde Izaak Walton pond, VA). Mouth seems small for a green sunfish and I've never seen blue along the back like that, but I'm not sure


r/whatsthisfish • • 7h ago

Bonaire, Candyland

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1 Upvotes

https://mfk.pics/dives/2024-03-10-candyland/4888c13672f5ba48/

Relatively shallow, probably around 12m depth (but could be anywhere from 5-18m).


r/whatsthisfish • • 1d ago

Caught in rocky area on piece of a hotdog

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13 Upvotes

Caught in mediterranean


r/whatsthisfish • • 2d ago

Unidentified I saw this on a hike in NW Oregon and can’t figure out what it is

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10 Upvotes

r/whatsthisfish • • 2d ago

ID - North Gold Coast, Queensland, Australia.

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9 Upvotes

Found in a fresh water dam on my property.


r/whatsthisfish • • 2d ago

Possible ID(s) suggested Fish ID at Wisconsin Dells

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61 Upvotes

r/whatsthisfish • • 2d ago

Possible ID(s) suggested Found these at a lake in south(east) India

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9 Upvotes

I caught these fish today at a lake. I'm guessing names but I'm not sure and the Google lens is giving multiple names so I'm confused. I'm thinking to create a biotope so got all these fish from the same place. Ik they are schooling fish but I don't have the numbers atm also I'm quarantining them, so will get some more to complete their schools on Sunday.

Ids?:

Indian glass fish, some kind of barbs, barb fry, idk some random fish fry I'm guessing but the lens says some kind of rasboras.


r/whatsthisfish • • 3d ago

Possible flathead catfish?

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0 Upvotes

r/whatsthisfish • • 4d ago

Musky or pike? (Southeast Michigan)

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19 Upvotes

r/whatsthisfish • • 4d ago

Musky or Northern

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216 Upvotes

Caught it in Lake Wingra in Madison Wisconsin


r/whatsthisfish • • 4d ago

Unidentified Local guy from rural Meghalaya (India) caught this with a shabby bamboo fishing pole!

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10 Upvotes

Hey guys! Went camping near the river in the rural village of Meghalaya. It was a valley about 10kms away from the border to Bangladesh. No tourists usually visit this area and it's mostly the village guys who went fishing here! Tons of unexplored places here. Any idea as to what species is this?


r/whatsthisfish • • 5d ago

Rainbow or Coho?

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61 Upvotes

r/whatsthisfish • • 5d ago

Smallmouth or Rock Bass?

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22 Upvotes

I can never tell when they're this small (two different fish, caught at Goose Creek VA)


r/whatsthisfish • • 5d ago

Round two, longear sunfish or pumpkinseed?

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6 Upvotes

(Goose creek VA). I'm covering up the ear which sucks for ID, didn't think about it at the time. Hopefully there's other cues that I'm just not noticing here?


r/whatsthisfish • • 6d ago

Unidentified I dont actually know if this is sea-life or a peice of trash but it was about 1.5 inches in a random pond in Houghton, MI

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78 Upvotes

r/whatsthisfish • • 6d ago

Found in Sharm El Sheikh - Moray Eel of some kind?

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65 Upvotes

East coast of Sharm. Near the straight of Tiran


r/whatsthisfish • • 7d ago

Family known, species maybe IDed Found on a Massachusetts beach

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89 Upvotes

r/whatsthisfish • • 7d ago

Family known, species maybe IDed What type of crappie is this?

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29 Upvotes

It's got the irregular spots of a black crappie, but the longer body and fewer dorsal spines of a white crappie. Is this a hybrid? Caught in western Pennsylvania. Measured with a tape at just over 9 inches.


r/whatsthisfish • • 8d ago

Caught in a small creek in North Georgia

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452 Upvotes

r/whatsthisfish • • 8d ago

Seen swimming on Peloponnese coast - what are they?

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46 Upvotes

saw a group of these swimming on the water surface just close to neraki bay, nafplio, greece. Have been trying to ID and my best guesses are baby eels, dice snakes, marine leeches (or maybe some sorta fish?) the movement doesn't seem quite like fish nor does the surface swimming behaviour but someone enlighten me as to what I was swimming with for about 30 mins before noticing lol


r/whatsthisfish • • 8d ago

Miami Beach, FL

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31 Upvotes

Apologies for the bad pictures! Seen at Miami Beach, FL. Seemed to just be chilling there, would occasionally turn to the side. There were a few others nearby too.


r/whatsthisfish • • 9d ago

Identification question What Were These Fish Jumping Out Of The Water And Why Were They Doing It?

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218 Upvotes

This was on Sanibel Island, Florida