trout zone
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trout reach — trout zone … Dictionary of ichthyology
trout section — trout zone … Dictionary of ichthyology
Trout cod — Taxobox name = Trout cod status = EN status system = iucn2.3 regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Perciformes familia = Percichthyidae genus = Maccullochella species = M. macquariensis binomial = Maccullochella… … Wikipedia
minnow zone — grayling zone (an area of a river lying between the trout and the barbel zones (both q.v.) characterised by alternating rapid and moderate currents) … Dictionary of ichthyology
grayling zone — an area of a river lying between the trout and the barbel zones (both q.v.) characterised by alternating rapid and moderate currents … Dictionary of ichthyology
upper reach — trout zone (an area of river with fast currents, a stony bottom, and a fish fauna having cylindrical bodies) … Dictionary of ichthyology
European river zonation — The classification of European rivers comes from the fish fauna found in them. Changes in taxonomic composition relate to physical and chemical changes that occur longitudinally. Zonation (from headwater to estuary) Trout zone This zone has a… … Wikipedia
middle course — the stretch of a river between the upper and lower parts, below the trout zone and above the bream zone (both q.v.) … Dictionary of ichthyology
commercial fishing — Introduction the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them. Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… … Universalium
salmoniform — ▪ fish Introduction any member of the order Salmoniformes, a diverse and complex group of fishes. The order consists of about 1,000 species in the freshwaters and in the oceans of the world. Included are the familiar trout, salmon, and pike … Universalium
