Seth Green (pisciculture) Seth Green (pisciculture) Seth Green (March 19, 1817 – August 18, 1888) was an American pioneer in fish farming (pisciculture and aquaculture). He established the first fish hatchery in the United States in the Town of Caledonia, New York. He was also a successful commercial fisherman, operating a large and profitable fish and game market in Rochester, New York, and fishing in Lake Ontario. After many years of operating his commercial hatchery in Caledonia, he entered government service with the New York State Fish Commission and eventually became Superintendent of Fisheries for the state of New York. Seth Green's pioneering
Cooperative breeding kinship of the litters they are rearing. Cooperative breeding has been described in several canid species including red wolves, Arctic foxes and Ethiopian wolves. Cooperative breeding entails one or more individuals, usually females, acting as "helpers" to one or a few dominant female breeders, usually helpers' kin. This sociosexual system is rare in primates, so far demonstrated among Neotropical callitricids, including marmosets and tamarins. Cooperative breeding requires "repression" of helpers' reproduction, by pheromones emitted by a breeder, by coercion, or by self-restraint. Sarah Blaffer Hrdy believes that cooperative breeding is an ancestral trait in humans, a controversial proposition. Cooperative breeding