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Fish-hook ant (Polyrhachis bihamata)

By melvynyeo
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Found a rare ant called Fish-hook ant!

Fish-hook ant (Polyrhachis bihamata) observed on a RAP expedition to the Virachey National Park, Cambodia, 2007. RAP scientists, as well as mammal and bird predators, think twice before messing with this large (1.5 cm) ant in the forests of Cambodia. The curved spines can easily slice through skin and tend to hold on for a while. These ants live in large numbers in nests in dead tree trunks on the forest floor, and when attacked they swarm out and hook onto each other, making extracting an individual ant by a predator difficult. The hooking together behaviour is inadvertent (they do not seek each other to hook together), but nevertheless quite effective as a defence mechanism.

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Comments23
anonymous's avatar
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Octoboy-the-8th's avatar
Sure is the imposing creature with all those spines! Nice job getting a photo of this fearsome-looking ant!
creecreehoneybees's avatar
creecreehoneybeesHobbyist General Artist
That's amazing!
melvynyeo's avatar
Thank you!! :)
pVVEN's avatar
Nasty looking. Ants never cease to impress! (Or your photography! ;) )
melvynyeo's avatar
Thank you!! :)
AmnioticOef's avatar
I like the emergent aspect of their defensive strategy. :)
melvynyeo's avatar
Thank you!! :)
ichbins111's avatar
wow , nice picture
melvynyeo's avatar
Thank you!! :)
melvynyeo's avatar
Thank you!! :)
Dalenbourg1's avatar
Dalenbourg1Student General Artist
oh boy, that is one heck of a glitch in their systems!
melvynyeo's avatar
Thank you!! :)
DanniGoodberry's avatar
Wow that is a scary ant, very cool! Good shot!
melvynyeo's avatar
Thank you!! :)
D-u-D's avatar
D-u-DHobbyist Photographer
wouldn't wanna mess with this one, he looks mean, but it's really amazing :)
thearbiterthel12's avatar
how do you get these pictures
melvynyeo's avatar
This was taken in Khao Yai national park. I was there for a 5D macro trip! :)
G0chu's avatar
G0chuHobbyist Photographer
amazing !!!
melvynyeo's avatar
Thanks!! :)
anonymous's avatar
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