PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Simazine on All Taxa Groups

Use(s): Herbicide    Chem Class: Triazine    U.S. EPA PC Code:080807    CAS Number: 122-34-9
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 60
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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?

Amphibians

Toad Bufo bufo japonicus 100,000 - 1 Not Acutely Toxic  
Bullfrog Rana catesbeiana 1,945,000 95,263 4 Not Acutely Toxic  

 
Annelida

Oligochaete Branchiura sowerbyi 1,624,250 316,250 4 Not Acutely Toxic  

 
Crustaceans

Aquatic sowbug Asellus brevicaudus 100,000 - 2 Not Acutely Toxic  
Green or Europeon shore crab Carcinus maenas 10,000 - 1 Slightly Toxic  
Common shrimp, sand shrimp Crangon crangon 100,000 - 2 Not Acutely Toxic  
Ostracod, Seed shrimp Cypridopsis vidua 3,700 - 2 Moderately Toxic  
Shrimp Lysmata seticaudata 13,000 - 1 Slightly Toxic  
Mud crab Neopanope texana 1,000,000 - 1 Not Acutely Toxic Outlier 
Crayfish Orconectes nais 100,000 - 1 Not Acutely Toxic  
Northern pink shrimp Penaeus duorarum 113,000 - 1 Not Acutely Toxic  
Crayfish Procambarus sp. 100,000 - 1 Not Acutely Toxic  

 
Fish

Black bullhead Ameiurus melas 72,500 7,500 2 Slightly Toxic  
Yellow bullhead Ameiurus natalis 110,000 - 1 Not Acutely Toxic  
Two-spot or Tic tac toe barb Barbus ticto 3,000 2,000 2 Moderately Toxic  
Goldfish Carassius auratus 38,000 3,464 4 Slightly Toxic  
Crucian carp Carassius carassius 100,000 - 4 Not Acutely Toxic  
Sunfish family Centrarchidae 177,260 259,954 5 Not Acutely Toxic  
Carp, hawk fish Cirrhinus mrigala 836,625 164,965 8 Not Acutely Toxic Outlier 
Sheepshead minnow Cyprinodon variegatus 4,300 - 1 Moderately Toxic  
Cyprinus carpio 37,478 5,119 5 Slightly Toxic  
Indian catfish Heteropneustes fossilis 10,000 - 1 Slightly Toxic  
Channel catfish Ictalurus punctatus 85,000 - 1 Slightly Toxic  
Bullhead, catfish Ictalurus sp. 72,500 7,500 2 Slightly Toxic  
Rohu Labeo rohita 26,920 - 1 Slightly Toxic  
Pumpkinseed Lepomis gibbosus 27,000 - 1 Slightly Toxic  
Bluegill Lepomis macrochirus 101,000 26,221 9 Not Acutely Toxic  
Redear sunfish Lepomis microlophus 54,000 - 1 Slightly Toxic  
Largemouth bass Micropterus salmoides 46,000 - 1 Slightly Toxic  
Oriental weatherfish Misgurnus anguillicaudatus 40,000 - 1 Slightly Toxic  
Striped bass Morone saxatilis 366,986 429,088 15 Not Acutely Toxic  
Emerald shiner Notropis atherinoides 18,000 - 1 Slightly Toxic  
Coho salmon,silver salmon Oncorhynchus kisutch 345,000 25,981 4 Not Acutely Toxic  
Rainbow trout,donaldson trout Oncorhynchus mykiss 110,964 105,710 25 Not Acutely Toxic  
Chinook salmon Oncorhynchus tshawytscha 675,600 480,847 6 Not Acutely Toxic Outlier 
Medaka, high-eyes Oryzias latipes 20,000 14,142 3 Slightly Toxic  
Perch Perca sp. 50,045 49,955 2 Slightly Toxic  
Bluntnose minnow Pimephales notatus 66,000 - 1 Slightly Toxic  
Fathead minnow Pimephales promelas 144,875 212,901 8 Not Acutely Toxic  
Guppy Poecilia reticulata 33,817 21,474 6 Slightly Toxic  
Brown trout Salmo trutta 76,500 6,500 2 Slightly Toxic  
Gilthead seabream Sparus aurata 4,190 - 1 Moderately Toxic  
Mozambique tilapia Tilapia mossambica 3,000 2,000 2 Moderately Toxic  

 
Insects

Midge family Chironomidae 28,000 - 1 Slightly Toxic  
Mayfly Cloeon dipterum 40,000 - 1 Slightly Toxic  
Stonefly order Plecoptera 50,000 - 1 Slightly Toxic  

 
Molluscs

Cockle Cerastoderma edule 100,000 - 2 Not Acutely Toxic  
Snail Indoplanorbis exustus 100,000 - 1 Not Acutely Toxic  
european physa, bladder snail Physella acuta 100,000 - 1 Not Acutely Toxic  
Marsh snail Semisulcospira libertina 100,000 - 1 Not Acutely Toxic  
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