PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Malathion on Fish

Use(s): Insecticide    Chem Class: Organophosphorus    U.S. EPA PC Code:057701, 857701    CAS Number: 121-75-5
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 50 of 92
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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

Bleak Alburnus alburnus 7,955 4,175 2 Moderately Toxic  
Black bullhead Ameiurus melas 16,025 3,852 4 Slightly Toxic  
Climbing perch Anabas testudineus 13,900 2,100 2 Slightly Toxic  
Japanese eel Anguilla japonica 7,550 3,450 2 Moderately Toxic  
American eel Anguilla rostrata 291.2 264.7 5 Highly Toxic  
Tooth carp Aphanius fasciatus 331.0 17.0 2 Highly Toxic  
Killifish Aplocheilus lineatus 1,062 87.5 2 Moderately Toxic  
Barb Barbus barbus plebejus 6,600 - 1 Moderately Toxic  
Two spot african barb Barbus dorsalis 4,900 1,122 3 Moderately Toxic  
Two spot barb, dotted barb Barbus sophore 3,566 1,539 7 Moderately Toxic  
Barb Barbus stigma 19.5 - 1 Very Highly Toxic  
Two-spot or Tic tac toe barb Barbus ticto 1,342 1,880 6 Moderately Toxic  
Hill trout Barilius vagra 7,525 135.0 2 Moderately Toxic  
Goldfish Carassius auratus 4,756 3,951 12 Moderately Toxic  
Catla Catla catla 4,090 1,831 3 Moderately Toxic  
smooth-breasted snakefish Channa orientalis 7,837 559.6 15 Moderately Toxic  
Snake-head catfish Channa punctata 4,138 2,718 33 Moderately Toxic  
Snake-head catfish Channa striata 8,000 - 1 Moderately Toxic  
Carp, hawk fish Cirrhinus mrigala 4,507 2,378 7 Moderately Toxic  
Walking catfish Clarias batrachus 1,840 3,887 8 Moderately Toxic  
Zambezi barbel Clarias gariepinus 3,420 - 1 Moderately Toxic  
Giant gourami Colisa fasciata 2,262 656.1 4 Moderately Toxic  
Red shiner, Rainbow dace Cyprinella lutrensis 31.0 7.18 4 Very Highly Toxic  
Cyprinid fish Cyprinion watsoni 7,930 - 1 Moderately Toxic  
Sheepshead minnow Cyprinodon variegatus 46.3 9.57 3 Very Highly Toxic  
Cyprinus carpio 7,419 6,544 44 Moderately Toxic  
Carp Cyprinus carpio carpio 138.0 - 1 Highly Toxic  
Carp Cyprinus carpio communis 4,547 33.0 3 Moderately Toxic  
Zebra danio Danio rerio 21,998 40,739 14 Slightly Toxic Outlier 
Danio Danio sp. 13,500 - 1 Slightly Toxic  
Banded killifish Fundulus diaphanus 303.3 57.9 3 Highly Toxic  
Mummichog Fundulus heteroclitus 146.1 149.8 9 Highly Toxic  
Striped killifish Fundulus majalis 260.0 14.1 3 Highly Toxic  
Western mosquitofish Gambusia affinis 614.4 391.7 7 Highly Toxic  
Eastern mosquitofish Gambusia holbrooki 12,780 - 1 Slightly Toxic  
Minnow and Carp Garra gotyla gotyla 3,500 - 1 Moderately Toxic  
Bonytail Gila elegans 1,530 - 1 Moderately Toxic  
Ruffe Gymnocephalus cernua 96.0 - 1 Very Highly Toxic  
Indian catfish Heteropneustes fossilis 18,890 14,447 22 Slightly Toxic  
Silver carp Hypophthalmichthys molitrix 1,500 - 1 Moderately Toxic  
Blue catfish Ictalurus furcatus 17,000 - 1 Slightly Toxic  
Channel catfish Ictalurus punctatus 51,474 39,846 14 Slightly Toxic Outlier 
Flagfish Jordanella floridae 296.0 42.9 4 Highly Toxic  
Fish Labeo fimbriatus 8,500 - 1 Moderately Toxic  
Rohu Labeo rohita 6,532 972.1 5 Moderately Toxic  
Spot Leiostomus xanthurus 440.0 155.6 3 Highly Toxic  
Loach Lepidocephalichthys thermalis 16,266 4,479 8 Slightly Toxic  
Green sunfish Lepomis cyanellus 322.4 196.8 8 Highly Toxic  
Pumpkinseed Lepomis gibbosus 666.7 185.7 3 Highly Toxic  
Bluegill Lepomis macrochirus 166.6 146.8 33 Highly Toxic  
Records 1 to 50 of 92
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