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(Animals) a Central American freshwater fish. Also called: swordtail
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈhɛl əˌraɪ, -ri)

n., pl. -ler•is.
1. a brightly colored topminnow that is a hybrid of Xiphophorus helleri and X. maculatus, bred for aquariums.
[1905–10; < New Latin helleri (of Heller), after Carl Heller, 20th-century tropical fish collector]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.helleri - freshwater fish of Central America having a long swordlike tailhelleri - freshwater fish of Central America having a long swordlike tail; popular aquarium fish
cyprinodont - any member of the family Cyprinodontidae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Effect of dietary HUFA on reproductive performance, tissue fatty acid profile and desaturase and elongase mRNAs in female swordtail Xiphophorus helleri. Aquaculture, 261: 204-214.
For example the mountain milkvetch (Oxytropis helleri halleri) is coastal in Scotland but a mountain species in continental Europe.
Prevalence and histopathologic study of Lernaea cyprinacea in two species of ornamental fish (Poecilia latipinna and Xiphophorus helleri) in Kerman, South-East Iran.
Mackessy, "Venom Ontogeny in the Pacific Rattlesnakes Crotalus viridis helleri and C.
phaeotis y Platyrrhinus helleri con la diversidad de especies arboreas y D.
De todos lo cuerpos de agua evaluados, el rio Negro es el unico rio con tipo de agua negra, las especies que se identificaron solo para este rio fueron Ceratobranchia delotaenia, Hemibrycon helleri, Hyphessobrycon frankei, Knodus caquetae, Knodus gamma y Moenkhausia agnesae.
Other bat species such as Glossophaga longirostris, Artibeus lituratus palmarum, Platyrrhinus Helleri (Vampyrops Helleri), Trachops Cirrhosus cirrhosus, Peroptexys kappleri, Phyllostomus Hastatus, Saccopteryx bilineata, and Molossus molossus were negative to the virus (42).
[53.] Schuett DA, Lehmann J, Goerlich R, Hamers R (1997) Haematology of swordtail, Xiphiphorus helleri I: blood parameters and light microscopy of blood cells.
Ou et al., "Effects of norfloxacin on hepatic genes expression of P450 isoforms (CYP1A and CYP3A), GST and P-glycoprotein (P-gp) in swordtail fish (Xiphophorus helleri)," Ecotoxicology, vol.