absorptive feeding
nutrient acquisition during fish ontogeny from an ovarian secretion via flaps, trophotaenia, or trophonemeta, or from the environment via body surfaces or special external gut and finfold structures

Dictionary of ichthyology. 2009.

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  • feeding behaviour — Any action of an animal directed toward obtaining nutrients. Each species evolves methods of searching for, obtaining, and ingesting food for which it can successfully compete. Some species eat only one type of food, others a variety. Among… …   Universalium

  • endogenous feeding — a type of nutrient acquisition during fish ontogeny, usually from yolk but also from a maternal embryonic exchange. See exogenous and absorptive feeding …   Dictionary of ichthyology

  • exogenous feeding — nutrient acquisition during fish ontogeny by food taken in through the mouth and digested in the intestine. See endogenous and absorptive feeding …   Dictionary of ichthyology

  • histotrophe — ovarian or uterine milk, a secretion produced by teleost livebearers for absorptive feeding using special structures (e.g. trophotaenia) during fish ontogeny. There is a small to moderate weight gain during embryonic development, e.g. Ameca… …   Dictionary of ichthyology

  • maternal histotrophe — histotrophe (ovarian or uterine milk, a secretion produced by teleost livebearers for absorptive feeding during fish ontogeny) …   Dictionary of ichthyology

  • ovarian milk — histotrophe (or uterine milk, a secretion produced by teleost livebearers for absorptive feeding during fish ontogeny) …   Dictionary of ichthyology

  • uterine milk — histotrophe (or ovarian milk, a secretion produced by teleost livebearers for absorptive feeding during fish ontogeny) …   Dictionary of ichthyology

  • fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …   Universalium

  • Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

  • annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… …   Universalium

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