Long-toed Salamander (Ambystoma macrodactylum)
Long-toed Salamander (Ambystoma macrodactylum)
| Exposure Endpoint Type | Chemical | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| METHOXYCHLOR | no appreciable mortality | embryo and larvae (10 d post-hatch) mortality | Not Reported | Embryo, Juvenile | 30-34 eggs/dose | Toxicity Factor Datasets | Laboratory | |||||
| METHOXYCHLOR | decrease @ 0.1, 0.3, 1, 3, 10 mg/L | mean day of hatch, compared to controls | Not Reported | Embryo, Juvenile | 30-34 eggs/dose | Toxicity Factor Datasets | Laboratory | |||||
| METHOXYCHLOR | decrease @ 0.3, 1, 3, 10 mg/l | responsiveness to startle and distance travelled post-startle in larvae | Not Reported | Juvenile | 30-34 eggs exposed/dose; 14-27 larvae tested/dose | Toxicity Factor Datasets | Laboratory | |||||
| METHOXYCHLOR | decrease @ 0.3 and 10 mg/L | mean body weight of larvae | Not Reported | Embryo, Juvenile | 30-38 eggs/dose | Toxicity Factor Datasets | Laboratory | |||||
| Body Weight - Mean | 15.4 | mg | Not Reported | Juvenile | 3 | Exposure Factor Datasets | 2 d post-hatch | 0.3 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | May - July | time of laying | Female | Adult | Not Reported | Crater Lake, Munson Oxbow Pond, Aant Point Pond, Whitehorse Bluff ponds and Lake West | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Inhalation Rate | see citation | tidal volume and breathing rate data | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | Laboratory | ||
| Metabolic Rate | see citation | figure of pulmonary and cutaneous oxygen consumption | ul O2/g/hr | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 281.0 | mean oxygen consumption following activity, measured at 25C | ul O2/g/hr | Not Reported | Not Reported | 6 | Exposure Factor Datasets | 19.5 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of larval density estimates in 8 fishless lakes utilizing 3 survey methodologies during day and night | larvae/100 m shoreline | Both Male and Female | Juvenile | Not Reported | North Cascades National Park Service Complex | Exposure Factor Datasets | |
| Dietary Composition | Benthic macroinvertebrates (75%): Diptera (66.7); Chironomidae (41.7%); Coleoptera (58.3%); Trichoptera (50%); Ephemeroptera (25%); Amphipoda (16.7%); Plecoptera (8.3%); Pelecypoda (8.3%); Crustacean zooplankton (41.7%): Cladocerans (41.7%); Unidentified (41.7%); Imm. Daphnids (25.0%); Daphnia rosea (25%); Ceriodaphnia quadrangula (16.7%); Chydorus spaericus (8.3%); Copepods (16.7%); Cylopoids (16.7%); Calanoids (8.3%); Harpactacoids (8.3%) | % larvae stomachs that contained prey item | % | Not Reported | Juvenile | 13 | North Cascades National Park Service Complex | Exposure Factor Datasets |
Eastern Long-toed Salamander (Ambystoma macrodactylum ssp. columbianum)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Feb. - Apr. | time of breeding | Both Male and Female | Adult | Not Reported | Lindsey Creek, Perce County (elev., 420m) | Exposure Factor Datasets | ||
| Clutch or Litter Size | 166.5 | eggs/cluster averaged 16.7 | eggs/female | Female | Adult | 25 | Lindsey Creek, Perce County (elev., 420m) | Exposure Factor Datasets | 59.7 SD |
| Growth Rate | increase in snout-vent length | mm/d | Both Male and Female | Juvenile | 223 | Lindsey Creek, Perce County (elev., 420m) | Exposure Factor Datasets | ||
| Time of Mating/ Laying | Apr.-May | time of breeding | Both Male and Female | Adult | Not Reported | Bear Wallow, Baker County (elev., 1140m) | Exposure Factor Datasets | ||
| Clutch or Litter Size | 105.3 | eggs/cluster averaged 14.8 | eggs/female | Female | Adult | 16 | Bear Wallow, Baker County (elev., 1140m) | Exposure Factor Datasets | 31.03 SD |
| Growth Rate | increase in snout-vent length | mm/d | Both Male and Female | Juvenile | Not Reported | Bear Wallow, Baker County (elev., 1140m) | Exposure Factor Datasets | ||
| Time of Mating/ Laying | June - July | time of breeding | Both Male and Female | Adult | Not Reported | Wallowa County (elev., 2470m) | Exposure Factor Datasets | ||
| Clutch or Litter Size | 90.1 | eggs/female | Female | Adult | 7 | Wallowa County (elev., 2470m) | Exposure Factor Datasets | 48.87 SD |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Clutch or Litter Size | eggs/female | Female | Adult | 11 | Palouse grasslands, Pullman | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 4.63 | g | Male | Adult | 134 | Moscow, Latah County | Exposure Factor Datasets | 0.07 SE |
| Body Weight - Mean | 6.02 | g | Female | Adult | 134 | Moscow, Latah County | Exposure Factor Datasets | 0.04 SE |
Southern Long-toed Salamander (Ambystoma macrodactylum ssp. sigillatum)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | May - June | time of breeding | Both Male and Female | Adult | Not Reported | Big Meadow (elev., 1980m) and Mosquito Lakes (elev., 2450 m) | Exposure Factor Datasets | Alpine, Calaveras | |
| Growth Rate | see citation | figure of seasonal changes in total length | Both Male and Female | Juvenile | Not Reported | Big Meadow (elev., 1980m) and Mosquito Lakes (elev., 2450 m) | Exposure Factor Datasets | Alpine, Calaveras | |
| Age at Sexual Maturity | 3 | yrs | Both Male and Female | Adult | Not Reported | Big Meadow (elev., 1980m) and Mosquito Lakes (elev., 2450 m) | Exposure Factor Datasets | Alpine, Calaveras |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 2 | yrs | Not Reported | Adult | 170 | Bow Valley (elev., 1290-1375m), [lat.,51^o05'N; long., 115^o4'W] | Exposure Factor Datasets | CANADA | |
| Longevity | 10 | maximum lifespan | yr | Not Reported | Adult | 170 | Bow Valley (elev., 1290-1375m), [lat.,51^o05'N; long., 115^o4'W] | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
|---|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Cast skin (2.1%); Isopoda (0.7%); Araneida (10.4%); Collembola (10.4%); Diptera (57.0%); Orthoptera (3.5%); Coleoptera (11.9%); Unidentified (4.2%) | % of total number of items in stomach contents | % | Not Reported | Adult | 20 | Mosquito Lakes (elev., 8050 ft) | Exposure Factor Datasets | Alpine | |
| Dietary Composition | Mollusca (2.7%); Cladocera (36.7%); Copepoda (20.8%); Ostracoda (11.5%); Hydracarina (0.4%); Chironomidae (17.9%); Mosquitoes (5.1%); Coleoptera (2.1); Trichoptera (0.3) and Unidentified (0.14%) | % of total number of items in stomach contents | % | Not Reported | Juvenile | 60 | Mosquito Lakes (elev., 8050 ft) | Exposure Factor Datasets | larvae | Alpine |
Santa Cruz Long-toed Salamander (Ambystoma macrodactylum ssp. croceum)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
|---|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Cast skin (10.4%); Annelida (6.5%); Mollusca (7.8%); Chilopoda (3.9%); Isopoda (46.8%); Araneida (1.3%); Collembola (2.6%); Lepidoptera (2.6%); Diptera (2.6%); Orthoptera (6.5%); Coleoptera (14.2%); Unidentified (1.3%) | % of total number of items in stomach contents | % | Not Reported | Adult | 38 | Ellicott Pond | Exposure Factor Datasets | Santa Cruz | |
| Dietary Composition | Cladocera (1.12%); Copepoda (0.22%); Ostracoda (12.64%); Chironomidae (23.79%); Corixidae (1.56%); Snails (5.58%); Leeches (4.46%); Oligochaeta (22.30%) and Tadpoles (27.88%) | % by weight of food item in stomach contents | % | Not Reported | Juvenile | 20 | Ellicott Pond | Exposure Factor Datasets | larvae | Santa Cruz |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Jan. - Feb. | time of breeding | Both Male and Female | Adult | Not Reported | Valencia Lagoon, Rio Del Mar | Exposure Factor Datasets | Santa Cruz | |
| Age at Sexual Maturity | 2 | yr | Both Male and Female | Adult | Not Reported | Valencia Lagoon, Rio Del Mar | Exposure Factor Datasets | Santa Cruz | |
| Clutch or Litter Size | 307 | eggs/clutch | Female | Adult | 5 | Valencia Lagoon, Rio Del Mar | Exposure Factor Datasets | Santa Cruz | |
| Growth Rate | see citation | figure of seasonal changes in total length | Both Male and Female | Juvenile | Not Reported | Valencia Lagoon, Rio Del Mar | Exposure Factor Datasets | Santa Cruz |
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