An unknown parasite-infecing skine of marine fish

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...

24 February 2021 357 2 View

Measuring Total immunoglobulin whole-body of fish larvae?

Hi Dear All, I prepared the extract of fish larvae whole body with PBS. Then protein concentration of the whole-body extraction samples determined by the Folin-Ceiocalteu-Phenol method (Lowry...

17 February 2021 1,971 3 View

What is the identity of additional bands found during fish gut microbiome 16S V4 PCR amplification?

Hi, I am carrying out test PCRs for 16S amplicon sequencing on Illumina MiSeq. I am using standard V4 primers: 515F/806R. The aim is to profile the microbiome of fish guts under different...

16 February 2021 5,668 6 View

Is this the fragment of a sauropod tooth?

Dear colleagues. Fragments of this species are very rare from a terrestrial Lower Cretaceous locality from Germany. Up to now from this locality sauropods could not be proved with certainty. Other...

14 February 2021 2,310 1 View

Problem to dissolve 50%wt Glycerol in 4%wt PVOH 28-99 ??

Hello everyone, I am trying to prepare a solution out of PVA(Polyvinyl alcohol)_Glycerol_Wasser . (4% PVA 28-99 and 50% Glycerin) To prepare this solution I first add PVA to 80degree water and...

06 February 2021 2,300 3 View

How to remove inter-year variation from my assessment of seasonal variation?

I have a 30 year dataset of fish sampling. I know from previous analyses that there is a huge amount of variation between years in catch rates. What I would like to do is create a plot that shows...

01 February 2021 3,980 5 View

Can anyone help to find any research articles related to the below mentioned objective?

Astaxanthin used in surimi based products as colour enhancer or as an antioxidant! Regards & Thanks Asik Ikbal

25 January 2021 9,399 4 View

Zafar Iqbal

Dear Dr. Zhang

Good afternoon.

I have seen the video. It would better to take picture of parasite on slide and then I may be able to comment. Regards

Oum Kalthoum Ben Hassine

Dear Dr Jin Yong Zhang ,

I totally agree with Dr. Zafar Iqbal. Indeed, it is not possible to determine the content of this video document.

Best regards

Jin Yong Zhang

sorry, Oum and Zafar, now i just have vided of this unknow parasite. do you have any suggestion what group parasite it belong to? thanks

Some morphological features that can direct us to parasites group to which the encountered parasite belongs (such as attachment organ to host ) are not visible in video document. We need, for this, a clear photography.

Khalid Pervaiz

Dear Dr Zhong

Hoping you be fine. Your video is not very sharp. Is this parasite is comparable with this attached pic of ectoparasite.

Regards

thanks, Khalid, but they are different.

António Godinho

I have a hunch it's probably some sort of nematode...

The size, body shape and mobility shown at the video fits for flatworms!

okay, thanks, i see, but i just want to know what group do this paraste belong to. thanks

Heather L. Walsh

They look like leeches to me. Were they attached to the skin?

thanks, we are characterizing it by molecular way

Praveenraj Jayasimhan

LOOKS like a marine leech