- accessory caudal ray
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one of a series of short, procurrent rays on the upper and lower margins of the of the caudal peduncle
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
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
perciform — ▪ fish order Introduction any member of the order Perciformes, a group of bony fishes with more than 6,000 species placed in about 150 families. The order is the largest group of fishes in the world today. Perciform fishes occur in… … Universalium
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
Fish — are aquatic vertebrate animals that are typically ectothermic (previously cold blooded), covered with scales, and equipped with two sets of paired fins and several unpaired fins. Fish are abundant in the sea and in fresh water, with species being … Wikipedia
Catfish — For other uses, see Catfish (disambiguation). Catfish Temporal range: Late Cretaceous – present Black bullhead Scientific classificati … Wikipedia
atheriniform — ▪ fish Introduction any member of the order Atheriniformes, containing 15 families of marine and freshwater spiny finned fishes (spiny finned fish), including the flying fishes (flying fish) (see ), needlefishes (needlefish), silversides,… … Universalium
Cleft lip and palate — For other uses, see Cleft. Cleft lip and palate Classification and external resources … Wikipedia
Stream catfish — Taxobox name = Stream catfishes regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Siluriformes superfamilia = Sisoroidea familia = Akysidae familia authority = Gill, 1861 subdivision ranks = Genera subdivision = Subfamily… … Wikipedia