sophianemt's Favorites
Photos / Sounds
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Red Swamp Crayfish (Procambarus clarkii)Observer
billhubickDescription
Falling prey to Great Blue Heron.
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Calico Crayfish (Faxonius immunis)Observer
mild45Description
Notch on moveable dactyl, mottled claws, banding consistent with Calicos.
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Rusty × Northern Clearwater Crayfish (Faxonius rusticus × propinquus)Observer
mrharper
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Cambarid Crayfishes (Family Cambaridae)Observer
rlrich3Description
Chimney, with representative virile crayfish found at base of chimneys a month later.
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Virile Crayfish (Faxonius virilis)Observer
ian_gardinerDescription
Habitat rocks in large lake.
Image 1 shows blue-coloured chelae with yellowish tubercles and absence of black bands near tips, and narrow areola (just visible at highest mag).
In image 2 the hook on the ischium of left pereiopod 3 can be seen.
Reports of crayfish (species unspecified) in this SE corner of British Columbia have been made in the popular outdoors press for some time. This non-native (to BC) species may have been introduced to enhance the largemouth bass (another non-native) fishing in some of the other lakes in this area.
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Allegheny Crayfish (Faxonius obscurus)Observer
animalmanpaDescription
Crayfish was caught and released. Note the red and yellow color on the cheek. This helped me identify it.
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Northern Hemisphere Crayfishes (Superfamily Astacoidea)Observer
thompsonmark23Description
Gastroliths in river otter scat
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Virile Crayfish (Faxonius virilis)Observer
karyorelicta4662Description
@matt_crayfish22
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Genus FaxoniusObserver
mild45Description
?????
This is my best guess but I couldn’t feel a median keel. Is this a hybrid?
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Calico Crayfish (Faxonius immunis)Observer
gracem57Description
Found in the small creek.
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Northern Clearwater Crayfish (Faxonius propinquus)Observer
canis-latransPlace
7th St and Woodlawn Ave at the Indiana Memorial Union, Bloomington, IN 47405, USA (Google, OSM)
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Genus CambarusObserver
kvgold42Description
Are these parasites on it? Never seen that on a crayfish before
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Virile Crayfish (Faxonius virilis)Observer
drcrayfishDescription
First record of this species on the island. Note flat shape of chela and tubercles on margins as opposed to the Northern clearwater claw in second picture showing both from same site.
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Digger Crayfish (Creaserinus fodiens)Observer
dustin_lynchDescription
Vouchered at Illinois Natural History Survey crustacean collection - INHS # 17528.
Illinois Natural History Survey and Arkansas Natural Heritage Commission collaborative survey. With Caitlin Bloomer, Chris Miller, and Brian Wagner.
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Genus FaxoniusObserver
genereuxxDescription
Came across two different types of crayfish which
Probably fall under the “same” category, very curious about the differences and any other information that can be gathered regarding both. (Will load the other one in a separate observation post)
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Calico Crayfish (Faxonius immunis)Observer
daniel_foldsDescription
Form I male
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Northern Hemisphere Crayfishes (Superfamily Astacoidea)Observer
vernal3Description
82* F. Scat a few feet up shore from drying pond. Used to be a vernal pool, however found mudminnow a few years ago.
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Red Swamp Crayfish (Procambarus clarkii)Observer
emilio_cDescription
The super narrow areola and prominent spines on the rostrum margins should indicate P. clarkii.
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Rusty Crayfish (Faxonius rusticus)Observer
emilio_cDescription
The rusty spots on the side of the carapace pretty much seal the deal.
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Calico Crayfish (Faxonius immunis)Observer
matthew883Description
Adult male Calico Crayfish, caught in Sunrise Lake. It is a form 1 male and had no injuries.
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Calico Crayfish (Faxonius immunis)Observer
daniel_foldsDescription
Form I male
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Genus FaxoniusObserver
jameskamstraDescription
Walking in 20 cm deep water at lake shore
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Virile Crayfish (Faxonius virilis)Observer
helmwigeDescription
eating dead great spreadwing
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Calico Crayfish (Faxonius immunis)Observer
kswansonDescription
Distinct patterning, notched chelae
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White River Crayfish (Procambarus acutus)Observer
drcrayfishDescription
Photos: P. hamr & BSchryer
