Nathan P. Brennan

3 Questions 11 Answers 0 Followers

Questions related from Nathan P. Brennan

What are some good recommendations for free software that could be used to quantify video data on juvenile fish behavior and swimming activity?

Ideally I would like to use free software that can be used with a Macintosh. My objective is to quantify individual swimming patterns from 2-dimensional video data. I would like to collect...

17 March 2020 7,772 3 View

Do sea cucumbers depend upon sand in their diet as important "fiber" to aid in digestion?

I am asking this because other animals do this such as chickens using gravel to help digest. I assume the sand is also coated with bacterial and algal feed sources that are important for...

18 March 2016 6,808 3 View

I am interested in tagging sea cucumbers. Does anyone have any experience with this and could you provide any suggestions or comments?

Sea cucumbers have the ability to eviscerate as a defensive mechanism and this makes maintaining a tag in them them extra difficult. I know they have some calcified components of their...

09 February 2016 4,030 12 View