NAS.ER.USGS.GOV has 651 keywords

First position — 10 keywords | Second position — 7 keywords | Third position — 11 keywords

Keywords Analytic

the 1th position for nas.er.usgs.gov

#	Keyword	Results	Change	Check Date
1	tessalated blenny	4 090	0	2014-09-17
1	goldfish fact sheet	41 900	0	2014-05-04
1	carassius auratus facts	144 000	0	2013-10-20
1	snakehead fish MA 2009	219 000	2	2015-07-11
1	gold fish fact sheet	248 000	0	2014-05-01
1	nonindigenous	767 000	0	2014-01-07
1	snakeheads in pa 2011	869 000	0	2014-05-09
1	queries about frogs	6 130 000	0	2014-06-05
1	buy exotic freshwater fish jellyfish	8 140 000	0	2014-05-13

the 2th position for nas.er.usgs.gov

#	Keyword	Results	Change	Check Date
2	notropis lutrensis	9 810	0	2014-06-29
2	channa micropeltes	10 500	0	2014-07-04
2	bluehead chub	16 200	1	2014-10-24
2	Macrobrachium rosenbergii	53 200	0	2014-11-28
2	game toad eats diamonds palms	474 000	0	2015-11-20
2	rudd fish	1 470 000	2	2014-01-30
2	non indigenous	11 400 000	0	2014-08-30

the 3th position for nas.er.usgs.gov

#	Keyword	Results	Change	Check Date
3	natrix tesselata	13 700	0	2014-09-16
3	wakasagi	30 500	-1	2014-01-12
3	interactive tetras	39 800	0	2014-09-25
3	cyprinus carpio	281 000	2	2016-01-19
3	red eared slider	353 000	11	2015-03-01
3	pb indonesia nas l a l r	363 000	3	2015-11-10
3	Pennsylvania skipjack herring	500 000	-1	2014-12-22
3	gobies	532 000	0	2013-11-16
3	non-indigenous animals	3 080 000	0	2014-09-26
3	free vector zebra heath	22 200 000	0	2014-10-01

positions above than 3th nas.er.usgs.gov

#	Keyword	Results	Change	Check Date
4	etheostoma fusiforme	43 800	0	2014-05-21
4	Gambusia	149 000	0	2014-07-10
4	gizzard shad	155 000	1	2014-08-13
4	carassius auratus	212 000	0	2014-10-24

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