Table 1. Fish Origins and Taxonomy, Microbial Isolates, and NCBI Closest Relatives.

Fish Source	Dissection Site	Isolate #	Accession #	Closest NCBI relative, Accession #	% Identity
Canadian Rock Cod,Santa Cruz	Stomach	1004	JQ691555	Micrococcineae bacterium DSW-2, FM995611.1	97.8
		1002	JQ691561	Micrococcineae bacterium DSW-2, FM995611.1	97.8
	Midintestine	–	–	–	–
	Posterior Intestine	1001	JQ691544	Micromonospora sp. TFS84-03, HM001288.1	99.9
		1006	JQ691560	Micromonospora lupini, AJ783995.1	99.2
		1005	JQ691559	Micromonospora sp. TFS84-03, HM001288.1	99.6
Sole, Moss Landing	Stomach	1014	JQ691539	Paracoccus sp. NPO-JL-65, AY745834.1	99.8
		1016	JQ691541	Psychrobacter okhotskensis strain MD17, NR_024806.1	99.8
		1007	JQ691542	Pseudomonas trivialis strain BIHB 749, DQ885949.1	99.9
	Pyloric caeca	1010	JQ691553	Microbacterium oxydans, EU821338.1	99.9
		1015	JQ691554	Rhodococcus qingshengii strain KOPRI 25555, HQ824843	100.0
		1013	JQ691540	Shewanella livingstonensis strain NF1-17, HM142581.1	100.0
		1008	JQ691535	Uncultured bacterium clone 1103200822058, EU844969.1	99.9
				Psychrobacter sp. OW3-RT-1, EF523607.1	99.9
	Midintestine	–	–	–	–
Lantern Fish,Monterey Bay	Entire Intestine	1012	JQ691538	Bacillus sp. G1DM-77, EU037267.1	100.0
		1031	JQ691563	Micromonospora coerulea DSM 43143, NR_026277	99.6
		1032	JQ691551	Micromonospora coerulea DSM 43143, NR_026277	99.6
Lantern Fish,Monterey Bay	Entire Intestine	1009	JQ691537	Paenibacillus glucanolyticus strain DSM 5162, NR_040883.1	99.4
		1011	JQ691562	Paenibacillus glucanolyticus strain DSM 5162, NR_040883.1	99.5
Red Rock Fish,Seattle	Pyloric caeca	1018	JQ691545	Rhodococcus sp. ZS2-21, FJ195998	99.8
		1026	JQ691548	Dietzia sp. I_GA_W_11_7, FJ267547.1	99.2
		1033	JQ691552	Uncultured Micromonosporaceae bacterium clone, EU440645	98.3
				Mycobacterium sp. 05-Be-043, GU574173.1	98.2
	Pyloric caeca	1021	JQ691556	Actinobacterium CH21i, FJ164059	100.0
	Anterior Intestine	–	–	–	–
	Midintestine	1022	JQ691546	Rhodococcus sp. ZS2-21, FJ195998	99.8
	Posterior Intestine	1023	JQ691557	Micromonospora echinospora strain 4RS-3a, EU379278	100.0
		1029	JQ691536	Pseudomonas fragi strain KOPRI 25817, HQ824990	100.0
Norwegian Mackrel,Seattle	Stomach	1030	JQ691549	Rhodococcus sp. ZS2-21, FJ195998	99.9
	Midintestine	–	–	–	–
	Posterior Intestine	–	–	–	–
USA Smelt, Seattle	Entire Intestine	1019	JQ691558	Micromonospora sp. R1, EU714258	99.9
		1028	JQ691547	Arthrobacter sp. KOPRI 25748, HQ824952.1	99.9
	Roe	1024	JQ691543	Rhodococcus sp. ZS2-21, FJ195998	99.8
		1025	JQ691550	Rhodococcus sp. Eu-32, DQ386111.2	98.7