Sungai Setulang, Kalimantan Utara
Re: Sungai Setulang, Kalimantan Utara
Panaque,
Thanks for posting those pics!!!! That Garra looks to be the real G. borneensis. The Caudal fin has strong black band on upper and lower rays, four transverse scale rows above lateral line, and it looks like the tip of the first branched dorsal ray would not pass the last branched ray when depressed (though it looks close).
Thank you!
Ryan
Thanks for posting those pics!!!! That Garra looks to be the real G. borneensis. The Caudal fin has strong black band on upper and lower rays, four transverse scale rows above lateral line, and it looks like the tip of the first branched dorsal ray would not pass the last branched ray when depressed (though it looks close).
Thank you!
Ryan
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Re: Sungai Setulang, Kalimantan Utara
You're welcome! And thanks for the detailed explanation.BomNya wrote:Panaque,
Thanks for posting those pics!!!! That Garra looks to be the real G. borneensis. The Caudal fin has strong black band on upper and lower rays, four transverse scale rows above lateral line, and it looks like the tip of the first branched dorsal ray would not pass the last branched ray when depressed (though it looks close).
Thank you!
Ryan
Re: Sungai Setulang, Kalimantan Utara
Thank you! Now if only someone can get me a live photo of G. robertsi…
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Re: Sungai Setulang, Kalimantan Utara
After studying the pics of the second Glyptothorax closely, and comparing it with the images in my manuscript, I conclude that it is not G. major, but another unnamed (and to-be-named) species. I wish you had kept specimens, as I only have the putative holotype (and more is always better).
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Re: Sungai Setulang, Kalimantan Utara
I wish I could have kept specimens but I wouldn't want to do so without the required permits (acquiring these can be a time-consuming business in Indonesia and time is always in short supply). Maybe next time - this should be an annual trip for some time to come.Silurus wrote:After studying the pics of the second Glyptothorax closely, and comparing it with the images in my manuscript, I conclude that it is not G. major, but another unnamed (and to-be-named) species. I wish you had kept specimens, as I only have the putative holotype (and more is always better).
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Re: Sungai Setulang, Kalimantan Utara
Some Rasbora next:
R. argyrotaenia (or similar...)
I don't have a name for this one
R. cf sumatrana
R. elegans
R. argyrotaenia (or similar...)
I don't have a name for this one
R. cf sumatrana
R. elegans
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Re: Sungai Setulang, Kalimantan Utara
On to the Betta species...
This first was found in a small but relatively deep (80cm) pool in <1m wide stream that was mostly not more than a few cm deep. I believe it is B. ocellata
and a juvenile of the same
This 5cm specimen was caught in a shallow pool on the side of a 2m wide stream. I don't know the species - suggestions welcome!
This 14cm speciemen may be the same species or not. It was caught in a local fisherman's net in a deep (>2m) section of the main river
This first was found in a small but relatively deep (80cm) pool in <1m wide stream that was mostly not more than a few cm deep. I believe it is B. ocellata
and a juvenile of the same
This 5cm specimen was caught in a shallow pool on the side of a 2m wide stream. I don't know the species - suggestions welcome!
This 14cm speciemen may be the same species or not. It was caught in a local fisherman's net in a deep (>2m) section of the main river
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Re: Sungai Setulang, Kalimantan Utara
I was surprised to find this 20cm goby this far inland in the headwaters. But then again, what do I know? The first specimen regurtitated a semi-digested Rasbora after it was captured.
Locally it is known as "ikan pasir" which means sand-fish. Going by Inger and Chin (1962) I'd call it Glossogobius giuris but that doesn't seem right from what a bit of an internet search on that species throws up. Suggestions welcome, as ever.
Locally it is known as "ikan pasir" which means sand-fish. Going by Inger and Chin (1962) I'd call it Glossogobius giuris but that doesn't seem right from what a bit of an internet search on that species throws up. Suggestions welcome, as ever.
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Re: Sungai Setulang, Kalimantan Utara
Most Glossogobius are practically impossible to identify to species from a photo. You'd need to see the sensory papilla patterns of the cheek lateralis system (best under a microscope) to do that.
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Re: Sungai Setulang, Kalimantan Utara
I believe these are B. balunga.panaque wrote: This 5cm specimen was caught in a shallow pool on the side of a 2m wide stream. I don't know the species - suggestions welcome!
This 14cm speciemen may be the same species or not. It was caught in a local fisherman's net in a deep (>2m) section of the main river
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Re: Sungai Setulang, Kalimantan Utara
...and I believe the head shape of these indicate B. unimaculata instead of B. ocellata.panaque wrote:
and a juvenile of the same
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Re: Sungai Setulang, Kalimantan Utara
A few more cyprinids....
Systomus cf banksi???
I'm doubtful because I can only see one pair of barbels (and I have browsed though a lot of my photos)
Systomus sealei
Cyclocheilichthys sp (C. armatus maybe?)
Barbonymus sp.?
Systomus cf banksi???
I'm doubtful because I can only see one pair of barbels (and I have browsed though a lot of my photos)
Systomus sealei
Cyclocheilichthys sp (C. armatus maybe?)
Barbonymus sp.?
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Re: Sungai Setulang, Kalimantan Utara
Some more cyprinids (in this part of the world, it seems there are always more cyprinids...)
Hampala macrolepidota (apologies for background clutter)
Tor sp.
Osteochilus chini
Hampala macrolepidota (apologies for background clutter)
Tor sp.
Osteochilus chini
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Re: Sungai Setulang, Kalimantan Utara
Anyone got any thoughts on the cyprinids in the previous posts?
On to the Balitoridae... Great little fish to observe and photograph in their natural habitat.
Gastromyzon cf ornaticauda
Gastromyzon cf lepidogaster
Adult:
Sub-adult:
Protomyzon griswoldi (I think)
That is the lot I think. I have some underwater videos as well which I'll post once I've got round to editing them.
On to the Balitoridae... Great little fish to observe and photograph in their natural habitat.
Gastromyzon cf ornaticauda
Gastromyzon cf lepidogaster
Adult:
Sub-adult:
Protomyzon griswoldi (I think)
That is the lot I think. I have some underwater videos as well which I'll post once I've got round to editing them.
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Re: Sungai Setulang, Kalimantan Utara - underwater video
A bit of underwater video of fish-tank-sized pool, featuring Betta unimaculata, Systomus sealei, Nematabramis everetti, Osteochilus chini, Rasbora cf sumatrana, Rasbora cf caudimaculata, Rasbora argyrotaenia:
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Re: Sungai Setulang, Kalimantan Utara
Wow, that current in the Gastromyzon video must be pretty strong!
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Re: Sungai Setulang, Kalimantan Utara
This is actually as benign as it gets because it had been exceptionally dry. After rain, the river rises by several meters and turns into a raging brown torrent within a few hours.bekateen wrote:Wow, that current in the Gastromyzon video must be pretty strong!
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Re: Sungai Setulang, Kalimantan Utara
Impressive. I was just noticing how in you video the fishes' tails were curling in the current. Thanks for the info.
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Re: Sungai Setulang, Kalimantan Utara
Loved the Gastromyzon video!
Jools
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