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Try our SPECIES ID field guides for

Freshwater Fish

Amphibians

Aquatic Invertebrates •

of the Fraser Valley


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4 days ago

Pearson Ecological

Red-legged frog tadpole, Chawathil
Can be distinguished from other tadpoles by short tail, top fin that extends over rear half of body, and complex pinkish and gold speckling on bottom of the body.
pearsonecological.com/amphibian-l2/red-legged-frog/
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Red-legged frog tadpole, Chawathil
Can be distinguished from other tadpoles by short tail, top fin that extends over rear half of body, and complex pinkish and gold speckling on bottom of the body.
https://pearsonecological.com/amphibian-l2/red-legged-frog/

Salish sucker population estimate at Chawathil.
We tattoo as many as we can catch, then come back a couple of weeks later to trap again. We use the proportion of the fish in the second catch that are marked to estimate the total population. We also found loads of amphibians in some areas:)
Thanks to Nick Henry for top notch field assistance!
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3 weeks ago

Pearson Ecological

Predaceous Diving Beetle, Chawathil
pearsonecological.com/inverts-l3/predaceous-diving-beetles/

We often find these in fish traps set in weedy ponds and sloughs.
They are big, up to 50 mm long (2 inches), and fast swimmers.
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Predaceous Diving Beetle, Chawathil
https://pearsonecological.com/inverts-l3/predaceous-diving-beetles/  We often find these in fish traps set in weedy ponds and sloughs.
They are big, up to 50 mm long (2 inches), and fast swimmers.

Comment on Facebook

Wow, gorgeous picture!!

These guys are so cool!!

Nice photo!

Do you normally find them in waters where predatory fish like salmonids are absent? On interior lakes, the presence of these insects usually means that there are no trout due to winter kill or other factors.

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Calendar


2019-07-15
  • 2 Coquitlam Riparian
    2019-07-15 - 2019-07-16  

2019-07-16
  • 2 Coquitlam Riparian
    2019-07-15 - 2019-07-16  

2019-07-17
  • 2 Peach/Trestle Riparian
    2019-07-17 - 2019-07-18  

2019-07-18
  • 2 Peach/Trestle Riparian
    2019-07-17 - 2019-07-18  

2019-07-25
  • 2 Silverdale/Chester Riparian
    2019-07-25 - 2019-07-26  

2019-07-26
  • 2 Silverdale/Chester Riparian
    2019-07-25 - 2019-07-26  

2019-09-10
  • 2 Sts'ailes Riparian
    2019-09-10 - 2019-09-11  

2019-09-11
  • 2 Sts'ailes Riparian
    2019-09-10 - 2019-09-11