Squalius semae, a new species of chub from the Euphrates River, Eastern Anatolia (Teleostei: Cyprinidae)
Author
Davut Tura
Author
Maurice Kottelat
Author
Esra Bayçelebi
text
Zoology in the Middle East
2017
63
1
33
42
journal article
10.1080/09397140.2017.1290761
3231104a-d686-4c36-8e4d-a0519f6a2767
886680
Squalius seyhanensis
:
FFR 729,
16, 152–227 mm
SL;
Turkey
:
Sivas
Prov.: Tohma Stream at Gürün,
Euphrates River
drainage;
D. Turan
&
R. Buyurucu
,
3.vii.2007
. –
FFR 1993,
11, 126–240 mm
SL
;
Turkey
:
Kayseri
Prov.: Sarız Stream,
Seyhan River
drainage;
D. Turan
&
R. Buyurucu
,
3.vii.2007
. –
FFR 1994, 15
,
88–137 mm
SL
;
Turkey
:
Kayseri
Prov.: Zamantı Stream at Sıradan Köyü,
Seyhan River
drainage;
D. Turan
&
Z. Bostanci
,
12.vi.2005
.
Table 1. Morphometry of three species of
Squalius
from Euphrates River drainages:
S. semae
sp. n.
from Toprakkale, Sırlı and Serçeme,
S. seyhanensis
from Tohma, and
S. berak
from Merzimen and Hilvan. Values in parentheses: mean. Values of the holotype included in range. H = holotype, ant. = anterior, post. = posterior.
|
S. semae
sp.
|
n.
|
S. seyhanensis
|
S. berak
|
| N |
31 |
H |
16 |
16 |
| Standard length (mm) |
120-226 |
197 |
142-227 |
114-188 |
|
In % SL
|
| Head length |
26.0-32.2 (27.7) |
27.0 |
24.5-27.8 (26.0) |
28.4-30.7 (29.4) |
| Body depth at dorsal-fin origin |
20.7-23.9 (22.0) |
23.9 |
21.6-25.7 (23.8) |
21.9-25.7 (23.9) |
| Predorsal length |
52.4-56.2 (54.5) |
55.9 |
52.5-56.1 (53.8) |
55.0-58.0 (56.1) |
| Prepelvic length |
49.4-56.0 (51.9) |
53.0 |
49.7-51.8 (50.6) |
49.8-53.8 (52.6) |
| Preanal length |
68.9-74.8 (71.7) |
73.2 |
70.9-73.2 (71.9) |
71.9-75.6 (73.6) |
| Pectoral-fin origin to anal fin |
45.3-51.4 (48.1) |
51.0 |
46.3-51.6 (50.2) |
47.7-50.6 (49.0) |
| Pectoral-fin origin to pelvic fin |
25.3-30.1 (27.1) |
29.9 |
24.6-29.7 (28.1) |
24.4-28.4 (26.8) |
| Pelvic-fin origin to anal fin |
19.1-23.6 (21.2) |
22.1 |
21.5-24.2 (22.8) |
21.1-24.3 (22.6) |
| Dorsal-fin height |
15.4-22.5 (18.0) |
16.3 |
14.8-19.7 (18.0) |
16.6-22.5 (19.3) |
| Anal-fin height |
14.3-18.4 (16.1) |
14.5 |
14.1-18.4 (16.2) |
14.8-18.3 (16.5) |
| Pectoral-fin length |
16.4-20.0 (18.1) |
17.6 |
16.0-19.7 (17.9) |
17.2-20.3 (18.7) |
| Pelvic-fin length |
13.7-16.5 (15.0) |
14.5 |
13.6-16.1 (15.1) |
14.1-16.8 (15.6) |
| Length of upper caudal-fin lobe |
16.0-23.7 (19.9) |
17.5 |
17.3-21.1 (18.9) |
20.3-24.5 (22.1) |
| Length of middle caudal-fin rays |
11.1-16.2 (13.6) |
13.6 |
12.4-15.8 (14.0) |
12.2-15.0 (13.8) |
| Length of caudal peduncle |
18.5-22.7 (20.3) |
20.1 |
19.7-22.0 (20.9) |
17.7-21.1 (19.0) |
| Depth of caudal peduncle |
10.5-12.3 (11.5) |
12.2 |
10.4-12.3 (11.4) |
10.7-13.0 (11.8) |
|
In % HL
|
| Snout length |
28-34 (30.5) |
31 |
28-35 (30.8) |
27-32 (29.0) |
| Eye diameter |
15-20 (17.8) |
17 |
15-20 (17.1) |
15-20 (17.5) |
| Interorbital width |
33-39 (35.9) |
37 |
31-39 (36.3) |
32-37 (34.2) |
| Head width1 at ant. margin of eyes |
38-44 (40.3) |
43 |
39-46 (41.8) |
36-44 (38.6) |
| Head width2 at post. margin of eyes |
49-58 (53.7) |
58 |
51-61 (55.9) |
48-56 (51.9) |
| Head width3 at middle of opercle |
55-63 (59.1) |
67 |
55-68 (61.8) |
54-62 (57.5) |
| Head depth1 at eye |
43-48 (45.9) |
47 |
44-51 (47.1) |
40-48 (44.0) |
| Head depth2 at nape |
58-65 (61.3) |
63 |
61-69 (65.0) |
56-64 (59.8) |
| Snout width at nostrils |
34-42 (37.1) |
39 |
37-42 (38.9) |
30-40 (35.1) |
| Snout depth at nostrils |
29-37 (32.3) |
33 |
26-37 (32.7) |
24-33 (29.0) |
| Width of mouth gape |
28-34 (29.6) |
33 |
27-33 (30.7) |
22-32 (26.8) |
| Length of mouth gape |
26-34 (30.5) |
30 |
26-33 (29.7) |
27-35 (29.8) |
Results