December 11, 2019
In our research projects we aim for innovation and improvement. This is an example of development and innovation in our raceway systems. We tried several inflow systems for our raceways. This is a new model; we are testing the flow, velocity and oxygen supply in the raceways. The first impression is very good, the fish are equally distributed over the basin and the feed uptake is sufficient!

November 04, 2019
This year we have done some trials with larvae rearing of Dover Sole. These trials were done in the context of the project 'Tongkweek Zeeland' and in cooperation with Stichting Zeeschelp. Next week we expect results from feeding trials and sex ratio in juvenile sole.... exiting! In the meantime we developed a new concept in sole larval rearing; shallow rectangle bassins. We did some trials with shallow larvae rearing with promising results! So we developed a recirculation system for larvae...

July 10, 2019
It's spawning seaons for our oldest broodstock fish at Fry Marine. The fish are 4 years old now and fully mature. This morning we stripped the fish and make the first fecudation of the season. It's always a very exiting job to do. In the next couple of days the fertilized eggs are kept in our incubation system. This system is specially designed to provide the eggs with best conditions to develop and eventually hatch. Next monday we hope to deliver this first batch into the larvae rearing...

June 20, 2019
Within the Sole hatchery project we are executing some interesting trials to improve the performance of the juvenile sole. In short we have found a mechanism that can influence the sex-ratio of the juvenile fish. We want to have more female than male fishes. When the fish is getting older, the females grow faster than the male individuals. In the experiments we are running at the moment we are looking to find the right moment and conditions to get the highest percentage of female fish.... and...
February 19, 2019
Developing ideas into practice, that's what Fry Marine stands for. So we started a new research project together with Seafarm. Goal of this project is to establish the complete production cycle for Solea solea. This means from broodstock to harvest. We believe this is possible in a profitable and sustainable way. Therefore we launched this project in the Innovation in Aquaculture program with funding from the EFMZV fund from the EU. First activities are already started. We are rebuilding the...
September 05, 2018
As mentioned in our last news update we had spawning turbot broodstock. It took some weeks to learn how to work with the fish in a good proper way. End of July we had a breaktrough with two good spawns. We obtained a lot of good fertilized eggs in a couple of days. These eggs were incubated in our system and developed very well. After 6 days the eggs were hatched. We placed them in our larvae systems. They received algae, rotifers, artemia and copepods. At the moment the larvae are in the...
July 06, 2018
Spring 2018 we did a small experiment on fish feed. In the project 'Broedhuis paling en tarbot: optimaal resultaat door kennisdeling' we worked together with TEMA on feed for (broodstock) turbot. It is difficult to test feed on broodstock, because it will take a lot of time te see any effect. So as a pre-study we used small turbot and we tested the effect of razor clams and shrimp shells on growth in a not-scientific test. First we had to try was whether the razors and the shrimp shells can be...
June 29, 2018
At the start of June we found the first females with thick bellies. This is a good indication that the fish are almost ready for spawning. During June the behaviour of the fish changed. Normally turbot is a very quiet and easy fish. However in spawning season they become very active. The fish is swimming around the tank; males and females close to each other. Unfortunately turbot doesn't release eggs and sperm in the water in captivity. So we need to check the fish every 2 - 3 days on eggs and...
May 16, 2018
Sole is producing eggs in this spring season. Every couple of days we obtain eggs. We place the eggs in our special developed system and after 4 days the first little soles are hatched. We start feeding them rotifers, grown on live algae. Now the first sole larvae starts eating on artemia. The belly of the larva is full with artemia nauplii. You can see this in the video. The belly is completely orange.
April 19, 2018
The egg incubation room is finished today. With dedicated hard work, we are just in time for the sole spawning season. In the coming weeks, we hope to produce our first Solea solea juveniles at Fry Marine.

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