tus (Jordan and Gilbert) (Siluriformes: Ariidae) from the eastern Pacific, with evidence of monophyly and limits of Notarius Author Betancur-R, Ricardo Author P, Arturo Acero text Zootaxa 2004 703 1 20 journal article 41565 10.5281/zenodo.158781 22fe8498-8c9e-43b5-a8e8-193af943e51d 1175­5326 158781

TABLE 4. Comparison of select features distinguishing N. biffi from six other EP species of Notarius. Data in bold indicate differences from N. biffi. Standard length is expressed in millimeters, the additional measurements are presented as percents of the standard length. F: female(s); M: male(s).

N. biffi	N. cookei	N. insculp­	N. kessleri	N. lentigi­	N. planiceps / N. troschelii
		tus		nosus	aff. planiceps
Examined 6 F, 3 M,	1F, 2M, 1?	4F, 1M, 1?	1F, 1M, 4?	1F, 1M	4F, 4? 2F, 2?
specimens 2?
Standard length 175–324	343–428	190–277	238–374	283–319	140–290 216–318
Anal fin 19–21	17–21	20–21	19–21	24–26	18–22 18–20
elements
Gill rakers on 3–4+7–8	4–5+8–10	3+8–9	3–4+8–9	3+4–5	2–3+6–7 3–4+8
first arch
Total gill rakers 11–12	12–15	11–12	11–13	7–8	8–10 11–12
on 1st arch
Gill rakers on 3–4+7–9	3–5+10–11	3–4+7–9	3–6+9–10	1+4–5	2–3+6–8 2–3+8–10
second arch
Total gill rakers 10–13	13–16	11–13	13–15	5–6	8–11 10–13
on 2nd arch
Mouth width 9.0–11.0	14.1–16.8	12.3–14.4	12.6–14.1	10.7–10.8	8.4–11.3 13.2–15.9
Maxillary 16.9–21.9	15.9–23.7	26.7–30.3	21.1–25.5	24.7–26.1	20.1–30.2 21.9–25.6
barbels
Mandibulary 10.2–13.1	13.3–15.9	12.9–17.4	11.5–15.7	13.6–15.2	13.7–17.7 13.6–15.2
barbels
Anterior internar­ 4.8–5.7	8.6–10.0	6.2–7.9	7.1–8.7	5.6–6.0	4.9–6.3 8.0–9.5
ial distance
Posterior interna­ 4.6–5.6	8.0–9.0	6.1–7.7	6.0–8.0	6.0	4.6–6.1 7.9–9.2
rial distance
Interorbital 9.9–12.3	12.7–13.7	11.5–14.2	12.3–13.9	12.6–13.1	10.1–13.5 14.3–17.3
distance
Eye diameter 3.8–4.5	2.5–3.1	3.8–4.3	2.9–3.7	2.9–3.0	3.5–4.5 3.8–4.0
Width of 5.5–6.6	5.0–5.2	7.3–8.2	6.9–7.6	4.2	4.5–6.1 7.5–8.8
supraoccipital/
complex process
Length of supra­ 5.0–7.1	8.0–8.6	5.4–6.8	7.5–9.1	7.0–7.5	6.3–7.9 4.7–6.7
occipital process
Caudal peduncle 6.1–6.7	5.2–6.1	6.1–7.1	6.1–6.5	7.7–7.8	6.8–7.4 6.6–7.0
depth
Size and shape of narrow,	narrow,	narrow,	narrow,	narrow,	narrow, large,
predorsal plate crescent	crescent	crescent	crescent	crescent	crescent hexagonal
Epioccipitals no/slightly	no	yes	no	no	no no
widely invasive?