Trond Amundsen

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Questions related from Trond Amundsen

Which fishes are 'annuals'?

Hi! We're working with a substrate-brooding fish (the two-spotted goby Gobiusculus flavescens) which is nearly an 'annual': almost no adults survive to breed in two seasons; in some populations...

26 October 2016 5,809 15 View

Clutch/brood terminology for substrate-brooding fishes: what terms to use?

In many, perhaps most, substrate-brooding fishes with paternal care, several females may deposit clutches (ie, batches of eggs) in the same nest, to be fertilized (mostly) and cared for by the...

12 October 2016 2,202 13 View

Sex-determination and primary sex ratios in non sex-changing gobies: do you have info?

My lab and collaborating labs are working with issues related to sex role dynamics and operational sex ratios, based on studies of temperate gobies. In this context, we're looking for information...

02 April 2014 5,824 4 View

Which fish species lay eggs on algae?

I'm studying a small goby fish (the two-spotted goby Gobiusculus flavescens) that deposits eggs on macroalgae (kelp of various species) as well as in mussels and other hard structures. In this,...

17 November 2012 9,969 51 View