Biological larvicide

Photo By/Credit

Mair, Rachel/USFWS

Date Shot/Created

08/31/2016

Media Usage Rights/License

Public Domain

Image

Gnatrol WGD, a biological larvicide that can be applied to control dipteran larvae in juvenile culture systems. Photo: Rachel Mair, USFWS.

Subject tags

Work of the Service

Freshwater mussels

Fishes

Fisheries

Fish hatcheries

Equipment

Aquaculture