Do the traces belong to corals?

#dinoflagellate_cysts/ Can you help with identification of these bugs?

Upper Jurassic of Siberia.

26 June 2024 8,177 0 View

What are the best practices for selecting environmental variables in ecological niche modeling for coral reef fish species?

02 April 2024 811 3 View

How can you make a 4 PCR primer work, when the barcodes are inhibiting the PCR itself ?

Hello everyone I am working on amplicons for species delimitation on corals. My supervisor want me to make it through a 4 primers PCR on 4 loci (CR, ITS, ORF and ATPSbeta) I have been trying...

01 March 2024 5,288 3 View

Marine PAM Fluorometry: Why is my Fo' value higher than my F value, leading to qL and qP values greater than 1?

Fo' > Fs Discussion To start, I am working with Acropora and Porites corals, specifically measuring active photosynthetic yield (YII) of endosymbiotic dinoflagellates (Symbiodiniaceae). I use the...

18 February 2024 2,947 0 View

How to relocate a beehive?

Hi Folks, There is an urgent need to relocate a beehive (pic attached) from an ongoing construction site in Saudi Arabia. As is evident from the pic, it happens to be on a coral bed above the...

17 February 2024 277 5 View

Smeared DNA Bands - Probably old & degraded specimen?

Hey there everyone, I have some coral specimens which were preserved in absolute ethanol and stored at room temperature for 18 months in a covered box. (Unfortunately, very oldddd specimens). I...

07 February 2024 410 3 View

Did any one work on taxonomy of Erythrina Coral Trees?

I look forward to finding expert in taxonomy of Erythrina Coral Trees. Hope some response. There are difficulties to find expert in plant taxonomy. I hope your new year is fruitful. Fikrat

05 January 2024 9,888 0 View

High dsDNA concentration on Qubit but horrible, degraded gel electrophoresis?

Hello everyone! I am working on my undergraduate thesis. After I used the DNeasy® PowerSoil® Pro Kit to extract DNA from a coral mucus sample I use 2 microliters of DNA to measure the output's...

15 December 2023 4,751 1 View

Why is it important to have high biodiversity in an ecosystem and how does the resiliency of a coral reef ecosystem relate to its diversity?

10 December 2023 6,948 4 View

Are true fringing coral reefs present on Pulau Kendi, Malaysia?

I am looking for references to studies that were conducted on Pulau Kendi (5°13ʹ58.44” N, 100°10ʹ45.84” E) and Pulau Songsong (5°48ʹ42.12” N, 100°17ʹ44.88” E) in the northern Strait of Malacca,...

07 December 2023 2,635 0 View

Bruno Ferré

It could be (depending on the scale and pattern length). This ought also to be compared to echinoid fascioles.

Bruna Poatskievick Pierezan

What is the sedimentation environment? This is in base or top of the layer?

Christian Neumann

Could you please add a scale?

Stéphane Bodin

Never seen such a pattwrn in a coral. Looks like a trace fossil for me. Cannot put a name on it though.