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Table 23.3--Habitat preferences for the rare aquatic species are displayed. Five general habitat categories are evaluated in the Assessment; only habitats that are significantly used are considered

	Primary and secondary habitat types
	Groundwater		Lakes		Ponds		Rivers		Streams
Taxonomic group	aPrim.	aSec.	Prim.	Sec.	Prim.	Sec.	Prim.	Sec.	Prim.	Sec.
Crustaceans	40	40	0	0	52	4	0	0	67	115
Insects	24	28	2	1	2	5	40	43	108	99
Snails	27	18	0	0	2	2	81	77	13	26
Mussels	0	0	0	0	0	0	185	185	6	6
Fish	18	14	1	1	1	2	76	79	69	69
Amphibians	17	17	0	0	6	6	0	0	8	8
Reptiles	0	0	0	0	5	7	7	9	10	0
Totals	126	117	3	2	68	26	389	393	281	323

^a Prim. = Primary; Sec. = Secondary. These desginations do not necessarily imply a constistant order or ranking of importance to the taxonomic group

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