Is there any rule how to write down fish measurements and how to abbreviate them?

In different literature, the same measurements of the fish are written differently, with different abbreviations. For example: Body depth or body height Anal fin length or anal fin height I...

11 December 2018 4,972 0 View

What does forehead width mean in fish morphometrics?

Dear researchers, I was wondering what does forehead width (In Russian, shirina lba) mean in fish morphometrics? I mean, how to measure it? From where to where? Is it same as inter orbital...

10 November 2018 4,953 2 View

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10 November 2018 381 2 View

How do you count scales in lateral line in Nemacheilidae fish?

Dear researchers, I need your help! Here I am attaching picture of tiny Oxynoemacheilus sp. I was wondering how is it possible to count number of scales in Lateral line when fish has got such...

10 November 2018 9,719 15 View

What are the motives for introduction?

Hello dear researchers, I was wondering, what kind of motivations for introduction of new species, have you heard/read of? (I don't count most frequent cases like aquaculture, trade or ornamental...

09 October 2018 6,915 16 View

How many trunk rings does Syngnathus sp. have in these pictures?

Hello dear researchers, I am trying to morphologically identify Syngnathus spice from Syngnathidae family. Everything fits to S. acus, however number of trunk rings in case of S. acus is 17 but...

08 September 2018 8,591 9 View

Do you know how to test the significant difference between 2 regression slopes by using R?

In my case: N1=86 N2=229 b1=2.12 b2=3.14

02 March 2016 4,051 11 View

Is counting otoliths anuall rings for C. gibelio more accurate than its scales counting?

01 January 1970 5,828 5 View

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

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 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

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 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

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

Are there SDMs that can take in percentage data?

Hi everyone, I am wondering if anyone knows of a species distribution model that can take in percentage data (i.e. presence data with prevalence values attached to them)? The dataset I have...

18 February 2021 7,312 3 View