Pholidichthys leucotaenia Pholidichthys leucotaenia Pholidichthys leucotaenia, commonly known as the convict blenny/goby or the engineer blenny/goby, is a marine fish from the west-central Pacific Ocean. It is neither a blenny nor a goby, but is in fact one of two species in the family Pholidichthyidae. A small eel-shaped fish, it can grow up to in length. Juveniles resemble the striped catfish "Plotosus lineatus", which is venomous, having a black body with a white dorsal stripe. As they develop, the stripe changes to white convict-style barring or spotting in the adult. It lives in shallow lagoons and on coastal reefs from the Philippines
Human uses of living things Human uses of living things Human uses of living things, including animals plants, fungi, and microbes, take many forms, both practical, such as the production of food and clothing, and symbolic, as in art, mythology, and religion. The skills and practices involved are transmitted by human culture through social learning. Plants provide the greater part of the food for people and their domestic animals: much of human culture and civilisation came into being through agriculture. While a large number of plants have been used for food, a small number of staple crops including wheat, rice, and maize provide most of