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n. pl. pupfish or pup·fish·es
Any of various small deep-bodied fishes of the family Cyprinidontidae, chiefly found in isolated habitats such as desert springs and streams of Mexico and the southwest United States.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -fish or -fishes
(Animals) any of various small killifishes of the genus Cyprinodon, found mainly in brackish or fresh water in southwestern US and northern Mexico, and in coastal areas around the Caribbean
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



n., pl. (esp. collectively) -fish, (esp. for kinds or species) -fish•es.
any of several tiny, stout killifishes of the genus Cyprinodon, inhabiting marshy waters in arid areas of W North America.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Systematics and variation of a new cyprinodontid fish, Cyprinodon fontinalis, from Chihuahua.
Based on impacts caused by exotic species in similar systems (Stiassny 1996), further declines in cyprinodontid populations in Laguna Chichancanab are likely.
MATERIAL AM METHODS The Experimental Organism The Japanese medaka (Oryzias latipes, Temminck and Schlegel) is a small cyprinodontid that is widely distributed in southeast Asian countries.
The desert pupfish (Cyprinodon macularius) is a small cyprinodontid with an unusual ability to tolerate water-quality so extreme (e.g., temperatures >42[degrees]C, salinities about twice that of seawater, dissolved oxygen ca.
Supporting our first hypothesis, we did observe three species that were exclusive to river tributaries and six exclusive to reservoir tributaries, greater abundance of seven species in river tributaries, and greater richness of pelagic (seining data) cyprinid and cyprinodontid generalists and specialists in river tributaries.
(2012) with the following ingredients: Cyprinodontid fish meal (50.05%), soybean meal in bulk (25.03%), Maseca[R] commercial corn flour (17.80%), and San Antonio[R] commercial wheat flour (7.12%) and vitamin and mineral supplements (Fervinac with selenium[R], Laboratorios Brovel, Mexico).
Absence of temperature-dependent sex determination in northern populations of two cyprinodontid fishes.
In this paper, we present the first report of karyotypes in the cyprinodontid genera Cualac and Floridichthys, members of a monophyletic group of six genera referred to as the Cyprinodontina (Costa, 1997; =Cyprinodontini of Parenti, 1981).
Predator avoidance and school size in a cyprinodontid fish, the banded killifish (Fundulus diaphanous Lesueur).
australis in Venezuela and the cyprinodontid fish Anablepsoides hartii represents a new second intermediate host for this digenean, and the first intermediate host of this species is not known from Venezuela.
Status of the cyprinodontid fish genus Rivulus in Costa Rica, with descriptions of new endemic species.
Cleaning behavior in the cyprinodontid fishes: Fundulus majalis, Cyprinodon variegatus and Lucania parea.