Table 4. Alpha-diversity of the rockworm gut bacterial communities

Sample	OTUs	Chao1	Shannon	Simpson	Good’s coverage
Larva	253.00	254.50	3.65	0.75	0.99
Juvenile	145.00	148.00	3.91	0.77	0.99
Adult	21.00	21.00	3.46	0.87	1.00
Biofloc-fed adult	47.00	47.00	4.55	0.92	1.00

OTU, operation taxonomic units.