Apristurus breviventralis, a new species of deep-water catshark (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from the Gulf of Aden Author Kawauchi, Junro Author Weigmann, Simon Author Nakaya, Kazuhiro text Zootaxa 2014 3881 1 1 16 journal article 36769 10.11646/zootaxa.3881.1.1 164d097b-275e-4af8-9e46-456159077575 1175-5326 287370 809A2B3B-2C2C-4D26-A50F-6D5185D3BD6A

TABLE 1. Morphometrics and meristics of Apristurus breviventralis sp. nov.

	Holotype	Paratypes	mean
Sex (n)	1 male	8 males	9 types
TL (mm)	439.0	337.0–477.0	337.0–477.0
Proportion (% TL)
PreD2-origin length	60.6	60.0–62.9	61.5
PreD1-origin length	48.1	47.1–50.3	48.8
PreP1 length	22.6	21.9–25.2	23.3
PreP2 length	36.9	36.5–38.6	37.6
Pre-vent length	41.9	41.7–43.5	42.5
Preanal length	51.5	51.6–52.8	52.3
Precaudal length	68.3	67.7–69.9	68.6
Pre-branchial length	19.2	18.6–20.7	19.6
Pre-spiracular length	12.7	13.0–14.7	13.6
Pre-orbital length	9.0	9.1–10.5	9.6
Pre-outer nostril length	4.1	3.9–4.9	4.4
Pre-inner nostril length	6.5	6.6–7.9	7.0
Pre-oral length	8.0	8.5–10.1	9.0
Head length	24.3	24.4–26.8	25.2
Head width (at mouth corners)	9.7	9.5–10.3	9.7
Mouth width	9.0	7.6–9.2	8.5
Mouth length	3.1	3.2–4.0	3.7
Upper labial furrow length	3.8	3.3–4.2	3.7
Lower labial furrow length	2.6	2.3–3.0	2.6
Internarial width	3.6	3.3–3.7	3.5
Nostril length	3.9	3.8–4.5	4.2
Nostril-mouth space	1.9	1.8–2.3	2.0
Orbit length	3.8	3.4–4.3	3.9
Interorbital width	6.4	6.0–7.1	6.5
Spiracle length	0.7	0.4–0.6	0.5
1st gill height	3.3	2.2–3.4	3.0
3rd gill height	3.0	2.9–3.6	3.1
5th gill height	2.3	1.5–2.7	2.0
D1-D2 space	8.5	7.7–9.0	8.3
D1-D2 origins	13.4	12.3–13.8	13.1
D1-D2 insertions	14.5	13.6–14.9	14.3
P1-P2 space	5.5	5.0–7.6	6.1
P1 tip to P2 origin	1.5	1.2–2.7	1.9
P1-P2 origins	13.9	13.3–17.6	14.9
P2-anal space	7.0	6.6–8.3	7.5
Pelvic-caudal space	24.1	23.0–24.9	23.9
P2-anal origins	14.9	13.8–16.0	15.1
Pelvic-caudal origins	33.0	28.7–32.9	31.4