postflexion

postflexion
one of three sub-stages in the larval stage of fishes (the others being preflexion and flexion, q.v.). The caudal fin section of the notochord is at an angle of 45° to the notochord axis, ventral caudal rays and supporting elements may not be fully developed. Postflexion ends with beginning of transformation to the juvenile stage

Dictionary of ichthyology. 2009.

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  • Atlantic tripletail — Taxobox | name = Atlantic tripletail image width = 240px regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Perciformes familia = Lobotidae genus = Lobotes species = L. surinamensis binomial = Lobotes surinamensis binomial… …   Wikipedia

  • flexion — one of three substages in the larval stage of fishes (the others being preflexion and postflexion, q.v.). The notochord begins to bend upwards as fin rays supports develop below the notochord. There is rapid fin ray development, change in body… …   Dictionary of ichthyology

  • preflexion — one of three substages in the larval stage of fishes (the others being flexion and postflexion, q.v.). The notochord is straight and caudal fin structures are beginning to form on the ventral side of the notochord …   Dictionary of ichthyology

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