Can anyone send me a photo of suboperculare belonging to Huso huso?

More Oleksandr Kovalchuk's questions See All

Distribution map of the Brown Trout (Salmo trutta)?

Please send me the link on distribution map of Brown trout (Salmo trutta) and other related species, native for the Europe and Asia.

01 February 2016 7,292 12 View

Can anyone send me a photo of the complete skeleton of common bream (Abramis brama)?

I will be very thankful to anyone who can send such a photo to me. It would be great to have an assembled (mounted) skeleton of this species.

31 December 2015 2,201 4 View

Can you help me to identify these fish remains?

These remains are derived from the Pliocene strata of Southeastern Europe. They regarded earlier as isolated pharyngeal teeth of Mylopharyngodon. However, I think that these remains may be...

10 November 2015 3,654 4 View

Which bones and their mophological features are diagnostic for the species differentiation of the genus Silurus?

Now I'm working on catfish remains from the late Miocene and Pliocene strata of Ukraine. Most of them belongs to the genus Silurus. However, in some cases I can not distinguish it at the species...

08 September 2015 1,651 4 View

Does anybody have photos of the opercuar bones of Hucho hucho and/or Hucho taimen?

Dear all, I will be very grateful for sending photos or images, illustrating opercular bones of Hucho hucho and Hucho taimen. Maybe, these images were presented elsewhere in publications?

03 April 2015 5,577 3 View

Can you help me with measurements of isolated pharyngeal teeth of the Scardinius genus?

Can you help me with pharyngeal tooth measurements of representatives of the Scardinius genus (S. acarnanicus, S. graecus, S. dergle, S. knezevici, S. plotizza, S. racovitzai, S. scardafa, and S....

04 May 2014 3,238 2 View

Is it necessary to take part in conferences?

Conferences and other scientific meetings (especially international ones) are often an expensive pleasure, in particular for researchers without any grants. Is it so necessary to take part in such...

01 January 1970 7,064 13 View

Can somebody recommend me a study in which LGM climate of Anatolia and European Thrace are compared?

Can somebody recommend me a study in which LGM climate of Anatolia and European Thrace are compared? And, as well, after-LGM climate and, as well, vegetation?

01 January 1970 2,269 5 View

What research topics in freshwater aquaculture recently are the most promising worldwide?

I'm very interested to obtain information about current state and further development of freshwater aquaculture (trends, topics, main problems, etc.). I will be very thankful for any ideas...

01 January 1970 10,046 26 View

Is this a facetotecta nauplius?

This larva was captured using a plankton net in the Persian Gulf during the summer. I believe it may be a Facetotecta nauplius.

08 August 2024 3,746 4 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

The Curse of Evolution and Complexity?

Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...

05 August 2024 6,247 3 View

How to quantify polystyrene microplastic (8 micron) bioaccumulation in fish tissue?

"I have treated adult zebrafish with 8-micron polystyrene microplastic and want to study the bioaccumulation in different organs. Can this be done using hydrogen peroxide digestion followed by...

05 August 2024 853 3 View

I need the datasets of Microgrid for system identification?

Hi I am working on data driven model of the microgrid, for that, i need the reliable datasets for the identification of MG data driven Model. Thanks

02 August 2024 5,748 4 View

I am working on my Master's thesis on the biogeography of the genus Ruagea and I would like to ask, could someone help me to check whether my result?

I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...

28 July 2024 2,979 1 View

Could you try using PeptiCloud and see if it's a useful tool for biology research?

PeptiCloud (www.pepticloud.com) is a bioinformatic platform that allows researchers to organize and share their data for their projects as well as collaborate with others in one place. Through...

28 July 2024 4,762 2 View

Do you know of any online international conferences that offer free discussions?

Do you know of any online international conferences that offer free discussions? I am looking for examples in the field of molecular ecology and DIY biology.

28 July 2024 6,501 0 View

Illustra™ MicroSpin™ G-25 columns what it is used for?

Hello, We found three packages of Illustra™ MicroSpin™ G-25 columns in the cabinet of an unused lab. They are very old but have never been opened. I have never used this kit before, and I couldn't...

25 July 2024 4,927 3 View

What are the modern approaches to the organization and sustainable management of greenery in urbanized cities?

What are the modern approaches to the organization and sustainable management of greenery in urbanized cities? How can ecological and recreational functions be introduced into the landscape and...

23 July 2024 7,292 4 View