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 Callidulidae: An unusual family of moths known as "Old World Butterfly-moths. Callidulids are a family of butterfly like moths which are distributed throughout southeast Asia and Oceania. Callidulids can exhibit both day and night flying behavior and typically hold their wings over thier backs like butterflies. Thier closest relatives are know truly known but they are thought to be close to hook-tip and geometer moths.

Image: L. Shyamal

 

Freshwater Jellyfish

(Craspedacusta sowerbii)

Despite it’s name C.sowerbii is not a true jellyfish but a hydromedusan (jellyfish in the class hydrozoa that have a shelf-like structure on their ventral surface) and are more closely related to hydras. These jellies can be found worldwide with significant populations in the United States and Canada. These jellys are fairly small animals and only grow up to 1 inch in diameter and are very delicate. They are very similar to scyphozoan jellyfish in most respects as they feed by injecting poison into their prey, they are harmless though as their cindocytes can’t pierce human skin.

Phylogeny

Animalia-Cnidaria-Medusozoa-Hydrozoa-Limnomedusae-Olindiidade-Craspedacusta-sowerbii

Source,Source

  1. pjcalamity reblogged this from astronomy-to-zoology and added:
    THESE ALSO LIVE IN OHIO AND THEY ARE MY FAVORITE ANIMAL
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  4. ferngirl reblogged this from astronomy-to-zoology and added:
    How gorgeous are these… I didn’t know there were fresh-water “jellyfish” — not true jellyfish, but still just as...
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    I couldn’t have put it more succinctly, myself :)
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    Fascinating.
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