An annotated checklist of the chondrichthyans of South Africa
Author
Ebert, David A.
Author
Wintner, Sabine P.
0000-0001-7350-5999
Author
Kyne, Peter M.
0000-0003-4494-2625
debert@mlml.calstate.edu
text
Zootaxa
2021
2021-03-17
4947
1
1
127
journal article
7365
10.11646/zootaxa.4947.1.1
74dc998a-dc7a-4b02-b43c-a2064c9c6dc2
1175-5326
4614567
7F3B4794-65CF-4691-A330-78A423F2606F
Holohalaelurus punctatus
(
Gilchrist, 1914
)
Whitespotted Izak Catshark
Scylliorhinus punctatus
Gilchrist, 1914: 129
, fig.
Neotype
: SAIAB 6128 [formerly RUSI 6128; previously ORI 2529] designated by
Human, 2006b: 6
, fig. 2. Type locality: Red Cliff off Bazaruto,
Mozambique
.
Local synonymy
:
Scylliorhinus punctatus
:
Gilchrist, 1914: 129
, fig
.;
Thompson, 1914: 138
;
Gilchrist, 1921: 44
;
Gilchrist, 1922b: 44
;
Barnard, 1925: 43
;
von Bonde, 1934: 15
.
Scyliorhinus
(
Halaelurus
)
polystigma
Regan, 1921: 413
(original description);
Norman, 1939: 10
, fig. 2b.
Halaelurus
(
Holohalaelurus
)
punctatus
:
Fowler, 1934a: 235
;
Fowler, 1941: 42
.
Halaelurus punctatus
:
Fowler, 1935: 361
, fig. 1;
Fowler, 1941: 42
.
Scyliorhinus
(
Halaelurus
)
punctatus
:
Norman, 1939: 10
.
Holohalaelurus punctatus
:
Smith, 1949a: 55
, fig. 42, pl. 2;
Smith, 1965: 55
, fig. 42, pl. 2;
Bass
et al
., 1975a: 23
, fig. 14;
Springer, 1979: 92
, fig. 56;
Compagno, 1984b: 337
, fig.;
Bass, 1986: 93
, fig. 11.11, pl. 3;
Compagno, 1988a: 156
;
Compagno
et al
., 1989: 54
, pl.;
Compagno, 1999: 119
;
Compagno
et al
., 2005
: 237
, fig., pl. 40;
Human, 2006b: 6
, fig. 2;
Human, 2010: 25
;
Ebert, 2013: 183
, fig. 246;
Ebert
et al
., 2013
a: 359, fig., pl. 48;
Ebert & van Hees, 2015: 147
;
Weigmann, 2016: 877
.
South Africa
voucher material
:
BMNH 1921.3
.
1.1 (
Holotype
of
H. polystigma
from off
Umvoti River
, KZN).
SAIAB 6134
,
SAIAB 6135
,
SAIAB 40829
,
SAIAB 188971
,
SAIAB 188972
,
SAIAB 188973
,
SAIAB 190082
.
South African distribution
: North of
Durban
to the KZN border with
Mozambique
. Outside
South Africa
, this regional endemic is known only from southern
Mozambique
and
Madagascar
.
Remarks
:
Human (2006b)
highlighted three issues that contributed to the taxonomic confusion of this species. This includes the loss of the
holotype
and whether it was ever formally accessioned, the type locality, and the species-complex in the KZN and southern
Mozambique
region. The specimen and illustration depicted by
Gilchrist (1914)
would qualify as the
holotype
, and it is likely to have gone to the SAM, but may never have been catalogued. During that period there is no reference to a scyliorhinid shark collected by Gilchrist in the SAM catalogue (
Human, 2006a
). Although
Gilchrist (1914)
gives the type locality as Cape Point with no further details,
Human (2006a)
suggested that he was referring to Cape
St. Lucia
(KZN) rather that Cape Point (WC). This would make sense since despite thousands of survey trawls in the WC over the past five decades this species has not been observed. However, its occurrence in KZN waters is not unexpected. Furthermore, the survey vessel S.S.
Pickle
traveled continuously between the WC and KZN during the early 1900s. The KZN and southern
Mozambique
region has several species of
Holohalaelurus
co-occurring and until recently a lack of accurate descriptions precluded species-specific identification (
Human, 2006
).
Conservation status
: EN (2020).