Table 2.

Morphometry and myomere counts for preflexion Ruffe (Gymnocephalus cernua), Black Crappie (Pomoxis nigromaculatus), Pumpkinseed (Lepomis gibbosus), and Johnny Darter (Etheostoma nigrum) from the St. Louis River (TL - total length).

	Ruffe (preflexion)		Black Crappie (preflexion)		Pumpkinseed (preflexion)		Johnny Darter (preflexion)
	n = 5		n = 5		n = 4		n = 3
Character	Mean	Range	Mean	Range	Mean	Range	Mean	Range
TL (mm)	5.7	5.0–7.6	4.8	4.4–5.1	5.4	4.7–6.2	7.5	7.2–7.8
Body Length (% of TL)
Pre-anal	46.8	43.9–52.1	37.6	36.2–40.3	41.2	40.2–42.5	49.9	49.1–50.3
Head	21.2	17.1–24.9	16.5	15.4–17.1	16.6	15.9–17.3	18.6	18.1–19.3
Body Depth (% of TL)
Head depth	15.2	14.0–16.3	14.3	13.3–15.8	13.2	12.0–14.8	13.1	12.4–14.2
Posterior anus	5.7	4.7–7.6	5.8	5.7–6.1	6.4	4.9–8.4	6.9	6.8–7.0
Caudal peduncle	2.9	1.6–4.1	3.4	2.5–4.1	3.4	2.8–3.9	3.8	3.4–4.1
Maximum body depth	14.8	12.5–17.8	12.5	10.9–15.0	12.1	11.2–13.2	11.1	10.5–11.8
Body Width (% of TL)
Head width	11.7	9.1–13.5	10.1	8.7–11.8	10.1	7.2–11.6	11.7	11.2–12.3
Maximum body width	10.1	8.3–11.9	7.3	6.8–7.9	7.6	6.5–8.8	6.6	6.2–6.9
Myomere Counts
Pre-anal		13–15		11–12		12		17
Post-anal		20–22		21–22		18–19		22
Total		33–37		33–34		30–31		39