Tench
General
Tench
The tech or doctor fish is a greenish freshwater fish of maximum 70 cm length and occurs in Europe and Asia. This species is mostly found in slow-moving water bodies, like lakes and lowland rivers. This species prefers habitats with abundant vegetation with a muddy or clayish substrate. Like most freshwater fish, tech is not very popular for consumption in the Netherlands however, it is a common consumption fish in central and eastern Europe.
Fish with the ASC label is farmed in a sustainable manner.
Fish with the MSC label is caught sustainably.
This fish is not being overfished or is being responsibly farmed, with minimal impact on the environment.
This fish is a second choice. There are still some improvements to be made in this fishery or fish farm.
Do not buy this fish. It's being overfished or the way it's farmed or caught has a negative impact on the environment.
There is fish available of this species that is farmed or caught using high welfare standards.
GlobalG.A.P. certified farms are doing a step in the right direction in terms of sustainability. A few species with this label are getting a better score on the VISwijzer.
Organic standards are the strictest when it comes to fish feed. They also require certain measures for animal well-being.