These R. lanceolata have now spawned: Rio Itaya black Rineloricaria lanceolata spawned
Fishes near Iquitos
- bekateen
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Re: Fishes near Iquitos
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Re: Fishes near Iquitos
After reading a Facebook post by Junior Chuctaya and a reply from Emanuel Neuhaus, I learned that this Peruvian Ancistrus is part of a study and as of now it's being investigated as . Note: I realize that this FaceBook post may not be visible, so I've screencaptured it and attached it here:
These Peruvian fish are far-flung from the type locality of sensu stricto, and the SL of the Peruvian fish is at least 4 cm longer than the max SL recorded for the Guyana populations. Molecular data is going to be important to unite or split the Peru and Guyana populations.
- As a side comment on SL, there was a 2019 Zootaxa review of this species by De Souza et al. which has a photo of AUM 48162. The photo's caption reads "185.3 mm SL" for the specimen shown. But if you use the 1 cm scale bar of the photo to estimate the same specimen's SL, you obtain about 85 mm SL; and in the species text narrative (page 24, inside the "Specimens examined" paragraph), this same museum sample contains no specimen larger than 87.8 mm SL. I think it's pretty clear that the "185.3 mm SL" is a typographical error. So when I say Peruvian fish are 4 cm larger than the described populations, I'm going off the SL of my big male at about 140 mm SL as shown in my photo here.
Cheers, Eric
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Re: Fishes near Iquitos
Eric when you go on your collecting trips do you ever take note of plants and trees growing in and around collection points most folks just check water parameters.bekateen wrote: ↑22 Jul 2021, 23:57Wow, did I underestimate this! 15.06 cm SL!
Jeanne
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Re: Fishes near Iquitos
Hi Jeanne,
I have a few photos of the area, but I don't take close-up photos or document identities of the plants along the shorelines. In the streams where I collected, there are essentially no submerged plants. The stream beds are fine sand, leaf litter and submerged logs and branches. The shorelines are either bare mud because of human activity, or they are overgrown with long terrestrial grasses dangling into the water or in some cases there are floating mats of plants (I guess technically those are aquatic plants).
In the streams I've sampled, pH is between 4-6 and TDS is often down around 15-30ppm.
Cheers, Eric
I have a few photos of the area, but I don't take close-up photos or document identities of the plants along the shorelines. In the streams where I collected, there are essentially no submerged plants. The stream beds are fine sand, leaf litter and submerged logs and branches. The shorelines are either bare mud because of human activity, or they are overgrown with long terrestrial grasses dangling into the water or in some cases there are floating mats of plants (I guess technically those are aquatic plants).
In the streams I've sampled, pH is between 4-6 and TDS is often down around 15-30ppm.
Cheers, Eric
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- bekateen
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Re: Fishes near Iquitos
These Ancistrus are now spawned. Details will be posted here: https://www.planetcatfish.com/forum/vie ... hp?t=51736bekateen wrote: ↑14 Apr 2023, 17:45
After reading a Facebook post by Junior Chuctaya and a reply from Emanuel Neuhaus, I learned that this Peruvian Ancistrus is part of a study and as of now it's being investigated as .
These Peruvian fish are far-flung from the type locality of sensu stricto, and the SL of the Peruvian fish is at least 4 cm longer than the max SL recorded for the Guyana populations. Molecular data is going to be important to unite or split the Peru and Guyana populations.
I've had some of these for 16 months now and I'm kinda surprised they haven't yet bred. Patience....
Cheers, Eric
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Re: Fishes near Iquitos
Trip #3: I'm back in lquitos at the Amazon Research Center for Ornamental Fishes to work, this time for four weeks. My first catch: I think it's another , just bigger than the four adults I have from my last trip. In the river, when we first caught it,
my quick view made me think initially that it might be a different species or even genus because of its larger size. We were at or near the type locality of , so I was hopeful for that, but this photo seems to say, "not that."
my quick view made me think initially that it might be a different species or even genus because of its larger size. We were at or near the type locality of , so I was hopeful for that, but this photo seems to say, "not that."
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Re: Fishes near Iquitos
Seen at Stingray Aquarium today, being sold as , although that's not correct since these fish have a dark spot behind the base of the dorsal fin spine.
Direct link: Ancistrus spp... being sold as Ancistrus temminckii
Cheers, Eric
Direct link: Ancistrus spp... being sold as Ancistrus temminckii
Cheers, Eric
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- bekateen
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Re: Fishes near Iquitos
Today we fished the main channel of the Rio Itaya. Caught Hypoptopoma, lots of Pims, one small shovelnose, two striped raphaels, some mouse cats, and one novel . This specimen is unlike the green- spotted Ancistrus we caught before (HERE) and the more common- looking from the area. I've never seen this species around Iquitos before. Reminds me of a punctatus-like .
Ancistrus sp. from the Rio Itaya southwest of Iquitos, Peru
Cheers, Eric
Ancistrus sp. from the Rio Itaya southwest of Iquitos, Peru
Cheers, Eric
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Re: Fishes near Iquitos
Caught a few of these in the Rio Itaya main channel. Can't figure out the ID. Locals call these "hauxwelli," but these aren't . That said, we also caught some Loricariichthys, which might be .
Two fish are shown. The first one is much larger than the second.
Larger fish: Smaller fish: These fish are nothing like the Rineloricaria we caught either in 2022 [HERE] or 2021 [HERE] and [HERE], although they were all collected near each other. In my opinion, these are probably the least interesting (in regard to pigmentation) of the Rineloricaria species here.
Cheers,
Eric
Two fish are shown. The first one is much larger than the second.
Larger fish: Smaller fish: These fish are nothing like the Rineloricaria we caught either in 2022 [HERE] or 2021 [HERE] and [HERE], although they were all collected near each other. In my opinion, these are probably the least interesting (in regard to pigmentation) of the Rineloricaria species here.
Cheers,
Eric
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- Jools
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Re: Fishes near Iquitos
The top one looks a lot like which I collected around the Iquitos area IIRC. The contrast oon my pic is high and that fish is also settled and not on a white backgrond.
Jools
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