Hi, I'm Andrew and I’m just a simple 19 year old guy and zoology student that posts random factoids about obscure animals and general animal science/zoology/biology stuff so if you like animals this is the place for you, if you only like cute animals this is not the place for you… Also I can ID any animals you might need identified (just submit them to me).

Disclamer: none of the pictures are mine unless stated

Family Polioptilidae: A family of passerine birds commonly known as "Gnatcatchers". All gnatcatchers are native to the New World, being found in both North and South America. Gnatcatchers are close relatives of the wrens and some species are known as "Gnatwrens".

Image: Erikwlyon

 

Odontopharynx longicaudata

…is a unique species of free-living diplogasterid nematode found in California. O.longicaudata is unique in that is predacious and will actively seek out and kill other free-living nematodes. O.longicaudata accomplishes this by using a large open stoma that contains a large dorsal tooth and 12 smaller teeth. Once it selects its prey by probing it the nematode will quickly attack its prey, drawing its cuticle into its stoma. Or if the prey is larger it will pierce the prey’s body and ingest its contents. O.longicaudata is very prey selective and will only attack certain nematodes, in one study Anguina pacificae was a favorite. It also shows favor over endoparasites over ectoparasites. 

Phylogeny

Animalia-Nematoda-Secernentea-Diplogasterida-Odontopharyngidae-Odontopharynx-O.longicaudata

Images: J. Chitamber

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  9. acryptozoo reblogged this from fishmostly and added:
    I almost got away with it….
  10. fishmostly reblogged this from astronomy-to-zoology and added:
    not a parasite. that’s a nematode
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