biggest

1 portuguese man o' war (50 m long tentacles)
https://en.wikipedia.org/wiki/Portuguese_man_o%27_war

2 Giant African Snail (20cm long)
https://en.wikipedia.org/wiki/Archachatina_marginata

3 Giant Golden-crowned Flying Fox (1.7m wing span)
https://en.wikipedia.org/wiki/Giant_golden-crowned_flying_fox

4 flemmish Giant rabbit (6.4 kg, size of a medium sized dog)
https://en.wikipedia.org/wiki/Flemish_Giant_rabbit

5 Chinese Giant Salamander (1.8 m)
https://en.wikipedia.org/wiki/Chinese_giant_salamander

6  Goliath Frog (40 cm/ 4 kg)
https://en.wikipedia.org/wiki/Goliath_frog

7 Mydas flies (6 cm long wingspan 10 cm)
https://en.wikipedia.org/wiki/List_of_largest_insects

8 Japanese Spider Crab (3.8 metres wide from claw to claw)
https://en.wikipedia.org/wiki/Japanese_spider_crab

9 giant freshwater stingray (4.2 metres)
http://www.dailymail.co.uk/news/article-2991386/Giant-14ft-800lb-stingray-biggest-freshwater-fish-caught-line-rod-TV-presenter-reels-Thailand.html

10 giant gippsland Earthworm (1 metre long)
https://en.wikipedia.org/wiki/Giant_Gippsland_earthworm

IMGS
10
http://i.imgur.com/jfnKAFA.jpg
http://www.giantearthworm.org.au/index_htm_files/3400.jpg
http://1.bp.blogspot.com/-jmTOhwrGptc/ToBH0kROHfI/AAAAAAAAA8I/IDXyAMK5ZZI/s1600/giant_gippsland_worm.JPG

9
http://images.nationalgeographic.com/wpf/media-live/photos/000/005/cache/giant-stingray-bluesheet_547_600x450.jpg
http://media.mnn.com/assets/images/2010/09/stingray.jpg.638x0_q80_crop-smart.jpg
http://www.wired.com/wp-content/uploads/images_blogs/wiredscience/2013/09/giant-freshwater-stingray.jpg

8
https://www.google.com.au/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0ahUKEwjq3cGw2cTKAhWFmJQKHRXBAkIQjBwIBA&url=https%3A%2F%2Ffarm3.staticflickr.com%2F2944%2F15340536895_6254360574_o_d.jpg&bvm=bv.112454388,d.dGo&psig=AFQjCNEDwNwW86pJt3fNEhEUeU4LIRwovw&ust=1453802202068646&cad=rja
https://upload.wikimedia.org/wikipedia/commons/d/d1/Japanese_spider_crab.jpg
https://c1.staticflickr.com/1/23/34315371_d1d24015ba.jpg


6
https://s-media-cache-ak0.pinimg.com/736x/e6/b4/5d/e6b45de043f4dd9365a49bca3692959d.jpg
http://globalwildlife.org/wp-content/uploads/2014/10/Goliath-Frog_2_edited.jpg
http://vignette4.wikia.nocookie.net/cryptidz/images/3/36/Goliath_Frog_-_Conraua_goliath.jpg/revision/latest?cb=20130922030001

5
https://upload.wikimedia.org/wikipedia/commons/2/2b/Japanese_Giant_Salamander_(Andrias_japonicus)_Stuffed_Specimen.jpg
https://upload.wikimedia.org/wikipedia/commons/d/df/2009_Andrias_davidianus.JPG
https://upload.wikimedia.org/wikipedia/commons/c/cf/Andrias_japonicus.jpg


4
https://upload.wikimedia.org/wikipedia/commons/d/dc/Runt_and_Paxie.jpg
https://upload.wikimedia.org/wikipedia/commons/4/40/Flemish_giant_fawn_doe.jpg
https://upload.wikimedia.org/wikipedia/en/0/0a/Sandy_flemish_with_boy.jpg

3
https://upload.wikimedia.org/wikipedia/commons/7/71/GreyHeadedFlyingFox.jpg
https://upload.wikimedia.org/wikipedia/commons/9/97/Acerodon_jubatus_by_Gregg_Yan.jpg
https://upload.wikimedia.org/wikipedia/commons/f/f0/Pteropus_poliocephalus_with_baby.jpg

2
https://en.wikipedia.org/wiki/File:Mn1esx.jpg
https://upload.wikimedia.org/wikipedia/commons/1/19/Achatina5.jpg
https://upload.wikimedia.org/wikipedia/commons/5/53/Giant_African_Land_Snail.jpg

1