Vladimir Laptikhovsky

8 Questions 21 Answers 0 Followers

Questions related from Vladimir Laptikhovsky

Existence of populations of colossal squid Mesonychoteuthis in the Antarctic?

Dear All, we are launching a project aiming to understand the population structure of charismatic and enigmatic colossal squid, the biggest living invertebrate. Does anybody aware about some...

03 August 2023 5,217 0 View

Does anybody has R-script to estimate P/B coefficient from growth and mortality parameters in fish?

Dear All, does anybody aware about any program / R-script, R-package that estimate production / biomass ratio from known life history parameters of growth and mortality and might be applied to a...

07 March 2023 5,756 4 View

Do you know body depth (%) in glass eels and elvers, early sub adult in the ell, Anguilla anguilla?

I need to know the ratio between body height/width and total or standard length in very small eels.

22 February 2023 6,722 4 View

Dear All, could you please point me out on studies relating fish and shrimp catchability with the mesh size, particularly in traps and nets?

I would be very glad, if you be able to point me on some research on the impact of change in mesh size in static gears on fish and invertebrate catchability. Something like “increase in mesh size...

26 April 2022 2,518 1 View

Diel inshore-offshore migrations herring and sprat?

Dear All, do you have any information about diel movements of juvenile herring and sprat in inshore (5-30 m bottom depth) waters if exist? Whether fish might stay closer to shoreline at night or...

08 March 2022 7,992 0 View

Does anyone knows existing online databases on marine mammal observations in the Antarctic and Sub-Antarctic waters from research and tourist vessels?

It looks like nowadays seabird/marine mammals observers are present onboard every large research and tourist vessels operating in the Southern temperate and Antarctic waters. I wonder in which...

09 August 2019 8,992 3 View

Dear All, could you point me please on some literature about what happens to expression of COI I in hybrids, e.g. fertile hybrids (like pizzly)?

I wonder whether hybrids actually retain both maternal and paternal COI, and if it is the case, are both genes expressed simultaneously? I mean- if we use COI for the species identification -...

01 April 2019 9,031 7 View

Dear All, does anybody have a methodology to enhance survival of deepsea (100-600 m) fish with a swimbladder after tagging onboard?

Fish would be captured by a longline and hauled onboard. No underwater tagging procedures (like tagging Icelandic Sebastes in situ) are possible.

20 July 2017 6,495 9 View