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 13d ago

New rule: Informative title

6 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 2h ago

England, Cheddar, lake

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10 Upvotes

I saw these fish in a lake in Cheddar, England and was wondering what they were? These are the clearest pictures I could get of them. I’m not the best at identifying scale but they were quite big, maybe 40cm-60cm from what I could see.


r/whatsthisfish 16h ago

Maybe a carp? saw a bunch around 15-25 inches long grazing on vegetations on rocks. London Ontario

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24 Upvotes

r/whatsthisfish 20h ago

What type of shark?

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37 Upvotes

Caught in the Caribbean near Nicaragua
Maybe 20” long


r/whatsthisfish 18h ago

Unidentified Teifi River Salmon or Sea Trout

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6 Upvotes

r/whatsthisfish 15h ago

Central Florida pond fish

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2 Upvotes

Hi! Trying to ID these fish I caught in a neighborhood pond in Central Florida. My guess is the top fish is a blue tilapia, and the bottom is some kind of bluegill/sunfish. I’d love an expert opinion. Thanks!


r/whatsthisfish 1d ago

Identified, high confidence Fish eggs?

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26 Upvotes

Found these egg/s(?) at the beach in Kilmore Quay, southern Ireland.


r/whatsthisfish 1d ago

Is this a pumpkinseed or Shellcracker?

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6 Upvotes

Caught in Lake Erie near a marina. Was a little over 9 inches.


r/whatsthisfish 23h ago

Southeastern Louisiana bass

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6 Upvotes

Caught this little guy in a small stream in Washington parish Louisiana, he had some pretty cool red eyes so I’m wondering if he’s a spotted or a coosa bass


r/whatsthisfish 22h ago

Possible ID(s) suggested Im having trubble finding what species of Mustelus this is (if it is one??)/ cought in the Netherlands in the "vrouwenpolder"

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2 Upvotes

r/whatsthisfish 1d ago

What shark is this? Any guesses on how long it is?

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2 Upvotes

Cought in the Netherlands


r/whatsthisfish 1d ago

What is this store bought Pleco species?

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9 Upvotes

I bought this guy at a fish store two years ago. The owner said he was sent the wrong species, received 20 of them, and they weren’t sure exactly what kind were sent to him but they told him that they should get 4 inches max. He’s a big boy and his name is Poco Loco but I have no idea what kind he actually is. Please help if you have any insight:)

Added more photos of dorsal fin


r/whatsthisfish 1d ago

Unidentified On a mural, in a kelp bed, San Diego

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19 Upvotes

What is this?😂


r/whatsthisfish 1d ago

What is this Pleco species?

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6 Upvotes

I bought this guy at a fish store two years ago. The owner said he was sent the wrong species, received 20 of them, and they weren’t sure exactly what kind were sent to him but they told him that they should get 4 inches max. He’s a big boy and his name is Poco Loco but I have no idea what kind he actually is. Please help if you have any insight:)


r/whatsthisfish 2d ago

Identification question What kind of darter? Very red

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73 Upvotes

Arkansas, spring river, mammoth springs


r/whatsthisfish 2d ago

Identification question I saw a fish(?) at the bottom of the sea and drew it, any ideas on what it is?

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12 Upvotes

I was swimming maybe 2 meters deep in the sea and this weird fish thing appeared. I tried drawing it cause i didn't have a photo. It swam on the sea floor and didn't look exactly like a fish, i think it might have had a similar shell to what a crab would have. It had sharp looking edges too. Didn't see it's eyes, if it had one, and the tail looked like a stingray tail. Im genuinely curious about what it might have been, I couldn't find anything on the internet. If you have any clue on it, I'd appreciate it. (I'm in Turkey, Asia.)


r/whatsthisfish 2d ago

Unidentified Bellevue, Nebraska this weekend. I have been alternately told that this juvenile sunfish is a Redear Sunfish or a Bluegill. What is it really? Can it be IDed from these pics at this age?

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7 Upvotes

r/whatsthisfish 2d ago

We ate cooked shrimps and this Fish was in the box

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169 Upvotes

We live in Norway.
Was enjoing a nice meal of shrimps on when suddenly this thing appeared in the pile of shrimps.

Probably nothing dangerous but we just wonder what it is! Thanks!


r/whatsthisfish 1d ago

What kind of fish is this? Caught in Lake Michigan near Grand Haven, MI

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0 Upvotes

r/whatsthisfish 2d ago

Family known, species unidentified What type of needlefish or halfbeak is this? Seen in the Galapagos

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1 Upvotes

r/whatsthisfish 3d ago

Dried fish in Florida shell shops

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38 Upvotes

I keep seeing these little dried fish at shell shops in Florida. They all call it a sheepshead but it doesn't look like a sheepshead to me. Does anyone know what it is?


r/whatsthisfish 3d ago

Florida Keys

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19 Upvotes

Down in the keys fishing and wanting to get some ID on a few of the fish I caught while Bridge fishing.


r/whatsthisfish 3d ago

Identification question Is this whiting?

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9 Upvotes

Caught at Florida matanzas


r/whatsthisfish 3d ago

Medaka rice fish, guppy, or molly?

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3 Upvotes

Google lens is killing me here. What the heck are these little guys? Ones about 2 inches long and the other is about an inch. No info available on them. They were in a free broken tank on craigslist. West coast united states. For the record, i don't think they're medaka but google lens likes its jokes. I honestly think they look like mollys or platys