7092

• UCREFRP Catalog Number: 7092
• Author: Eisler, R.
• Title: Arsenic Hazards to Fish, Wildlife, and Invertebrates
• USFW Year: 1988.
• USFW - Doc Type: A Synoptic Review.
• Copyright Material: NO

Table 4. Lethal and sublethal effects of various arsenic compounds on
selected species of aquatic biota.
EcosysteT, species, arsenic
compound , and other
variables Arsenic
concentration Effect Referenceb
FRESHWATER PLANTS
Algae, various species
As +3 1.7 mg/1 Toxic. 1
As +3 4 mg/l Decomposition. 1
As+3 2.3 mg/l 95% to 100% kill
in 2 to 4 weeks

+5 of 4 species. 2,3
As 0.075 mg/1 Decreased growth. 3
Alga
Ankistrodesmus falcatus
4-5
As 0.26 mg/l EC-50 (14 days). 3
Alga +5Scenedesmus obliquus
As 0.048 mg/l EC-50 (14 days). 3
Alga 5Selenastrum capricornutum
As 0.69 mg11 EC-50 (4 days). 3
FRESHWATER INVERTEBRATES
Clad?geran, Bosmina longirostris
As 0.85 mg/l 50% immobilization
in 96 hours. 4
Clad?r3eran, Daphnia magna c
As 0.63 to 1.32 mg/l MATC 3
3 0.96 mg/1 LC-5 (28 days). 5
+
As
Starved 1.5 mg/l 50% immobilization
(96 hours). 6
Fed 4.3 mg/l 50% immobilization

+5 (96 hours). 6
As 0.52 mg11 Reproductive impair-
ment of 16% in 3

+5 weeks. 3
As 0.93 mg/l LC-5 (28 days); max-
imum bioconcen-
tration factor

+5 (BCF) of 219X. 5
As 7.4 mg/l LC-50 (96 hours). 2
DSMA 0.83 mg/l LC-0 (28 days). 5
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