I am not sure but it seems to be a Thomisidae.

Thanks, Leo. Any idea of the genus/species?

No, I am sorry. I can contact a Researcher that may know it but I'm not sure if she is viewing this website often. If you allow me, I could send her the picture to ask.

OK! You can use this one, too. Best,

I sent it. She said it is a Thomisidae and as she couldn't research for images for now she said it could be Epicadus. I googled and found E. heterogaster. However, in the article below, it seems to be E. rubripes.

Taxonomic revision of the crab spider genus Epicadus Simon, 1895 (Arachnida: Araneae: Thomisidae) with notes on related genera of Stephanopinae Simon, 1895

Thank you very much! The animal is quite lazy. I should have suspected Thomisidae instead of Salticidae! Best,

Dear Rodrigo,

in order to save time of your colleagues, be so kind to give additional details on the locality (at least) where this specimen was photographed.

There are over 2000 Thomisidae species worldwide and about 6000 Salticidae species.

How you imagine the specialist you appeal for id-help could recognize your specimen with any basic information provided? 

Hi Dmitry!

The animal was photographed in Rio grande do Sul (Brazil), at a cultivated plant of Schlumbergera truncata (Cactaceae). Anyway, after checking the reference given by Leo Correa I feel confident the animal is a young specimen of Epicadus rubripes. Thank you anyway. Best,

Hi Rodrigo, I am agree with Leo Correia's quote; me too think the specimen belongs to Thomisidae family.    

I think it belongs to genus tobias of Thomisidae family.

This looks like Epicadus (Thomisidae), possibly E. rubripes; however, bear in mind that species in this genus vary in coloration largely.

This really looks like an Epicadus (Thomisidae). I have these pictures (taken by the friend Patrícia Garcia) of another Epicadus species, Epicadus heterogaster, ambushing and then preying on a male Euglossa sp. which was collecting perfumes from a Spathiphyllum inflorescence. For a more specific id and infos on the biology of the spider, I suggest contact Dr. Camila Vieira, who has recently worked on a phylogeny of Brazilian crab-spiders (Thomisidae). See her profile at: https://www.researchgate.net/profile/Camila_Vieira6