Is there any published information on the acid-resistance of ganoine?

31 December 2016 8,490 1 View

Does anyone have good papers on the fish genera Aetheolepis and Heterostrophus?

I am looking for figured and/or drawn specimens of Aetheolepis and Heterostrophus (both are dapediids). Any recommendations are welcome!Additional: if anyone has this paper (version with plates),...

11 December 2016 5,998 3 View

Does anyone know about a pictured paper about the vertebrae of Percopsis omiscomaycus?

04 May 2016 3,863 3 View

Can someone ID this fish vertebra?

03 April 2016 1,072 5 View

Vidalamiinae vertebrae and/ or teeth?

Could somebody recommend me papers on Vidalamiinae teeth and/ or vertebrae? Isolated material is preferred. I already have the great work of Grande and Bemis, but similarly detailful papers are...

03 April 2016 1,132 2 View

Could anyone recommend literature to me on the palaeobiogeography and/or the origin of Salmoniform, Ellimichthyform and Elopiform fishes?

The main thing I need to know, that is any of them a Gondwanan-derived taxon? Any paper could be important! Thank You!

03 April 2016 1,573 5 View

Strange surface of a bone-fragment?

I had some problem in ID this bone-element. It has a pattern of tubercle-like dots on the outer surface. Does anyone have any idea on what it could be?Have a nice day!

03 April 2016 5,545 17 View

Could this be an amiiform basioccipital?

03 April 2016 7,989 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

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

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 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

How to consider effects of rapid warm adaptation in modeling of ecological impacts of warming?

I would highly appreciate it if my fellow ecologists (biologists) provide their opinion on the thoughts below [esp., shortly tell us which path may be more effective, if they know another way, if...

15 February 2021 3,642 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