PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Chlorpyrifos on Fish

Use(s): Insecticide, Nematicide    Chem Class: Organophosphorus    U.S. EPA PC Code:059101    CAS Number: 2921-88-2
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 46 of 46
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Common Name Scientific Name Avg Species LC50 (ug/L) LC50 Std Dev Number of Studies Avg Species Rating Outlier Result for Organism Group?

Fish

Common eel Anguilla anguilla 777.5 300.8 4 Highly Toxic  
Topsmelt Atherinops affinis 5.00 0.50 2 Very Highly Toxic  
Barb Barbus barbus plebejus 0.80 - 1 Very Highly Toxic  
Silver perch Bidyanus bidyanus 17.0 - 1 Very Highly Toxic  
Goldfish Carassius auratus 806.0 - 1 Highly Toxic  
Crucian carp Carassius carassius 14.0 - 1 Very Highly Toxic  
Catla Catla catla 3,440 2,692 10 Moderately Toxic Outlier 
Snake-head catfish Channa punctata 365.0 - 1 Highly Toxic  
Carp, hawk fish Cirrhinus mrigala 3,914 2,841 9 Moderately Toxic Outlier 
Sheepshead minnow Cyprinodon variegatus 160.7 81.1 3 Highly Toxic  
Cyprinus carpio 71.6 102.4 13 Very Highly Toxic  
Northern pike Esox lucius 3.30 - 1 Very Highly Toxic  
Mummichog Fundulus heteroclitus 4.65 - 1 Very Highly Toxic  
Longnose killifish Fundulus similis 4.10 - 1 Very Highly Toxic  
Western mosquitofish Gambusia affinis 334.8 265.0 31 Highly Toxic  
Threespine stickleback Gasterosteus aculeatus 10.1 2.31 3 Very Highly Toxic  
Indian catfish Heteropneustes fossilis 2,570 421.4 5 Moderately Toxic Outlier 
Channel catfish Ictalurus punctatus 437.0 274.2 6 Highly Toxic  
Rohu Labeo rohita 3,950 2,760 10 Moderately Toxic Outlier 
Spot Leiostomus xanthurus 7.00 - 1 Very Highly Toxic  
Green sunfish Lepomis cyanellus 34.5 10.7 5 Very Highly Toxic  
Bluegill Lepomis macrochirus 7.99 9.96 17 Very Highly Toxic  
California grunion Leuresthes tenuis 1.64 0.68 21 Very Highly Toxic  
Inland silverside Menidia beryllina 7.20 3.00 2 Very Highly Toxic  
Atlantic silverside Menidia menidia 2.46 1.44 25 Very Highly Toxic  
Tidewater silverside Menidia peninsulae 1.81 1.35 25 Very Highly Toxic  
Striped bass Morone saxatilis 500.3 499.7 2 Highly Toxic  
Striped mullet Mugil cephalus 5.40 - 1 Very Highly Toxic  
Golden shiner Notemigonus crysoleucas 38.3 4.71 3 Very Highly Toxic  
Cutthroat trout Oncorhynchus clarki 42.9 39.0 8 Very Highly Toxic  
Rainbow trout,donaldson trout Oncorhynchus mykiss 64.4 126.6 19 Very Highly Toxic  
Gulf toadfish Opsanus beta 520.0 - 1 Highly Toxic  
Medaka, high-eyes Oryzias latipes 166.2 138.8 4 Highly Toxic  
Fathead minnow Pimephales promelas 176.6 54.6 15 Highly Toxic  
Guppy Poecilia reticulata 75.3 87.0 4 Very Highly Toxic  
Ninespine stickleback Pungitius pungitius 5.20 0.50 2 Very Highly Toxic  
Roach Rutilus rutilus 120.0 - 1 Highly Toxic  
Lake trout, siscowet Salvelinus namaycush 182.4 59.5 9 Highly Toxic  
Walleye Stizostedion vitreum 49.5 59.5 10 Very Highly Toxic  
Tilapia Tilapia aurea 418.0 - 1 Highly Toxic  
Mozambique tilapia Tilapia mossambica 30.0 5.08 11 Very Highly Toxic  
Nile tilapia Tilapia nilotica 112.5 43.4 19 Highly Toxic  
Tilapia Tilapia zillii 131.4 108.6 2 Highly Toxic  
Tench Tinca tinca 45.0 - 1 Very Highly Toxic  
Snake-skinned gourami Trichogaster pectoralis 10.0 - 1 Very Highly Toxic  
Oikawa Zacco platypus 1,700 - 1 Moderately Toxic  
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