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

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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

Risk assessment of one specie introduced from saltwater to freshwaters

Hello, I need professional help. Is it possible to make a risk assessment of the fish, which is marine, and translocated to fresh waters, within the same country? preliminary, I performed...

01 January 1970 3,353 3 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

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 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

PMSM Inter Turn Short Circuit fault, Dataset?

Hi, I'm looking for a dataset of a PMSM with an inter turn short circuit fault. Does anyone know a dataset which is available?

21 February 2021 5,663 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