Revision of southern African species of the anglerfish genus Chaunax (Lophiiformes: Chaunacidae), with descriptions of three new species
Author
Ho, Hsuan-Ching
Author
Ma, Wen-Chun
text
Zootaxa
2016
4144
2
175
194
journal article
10.11646/zootaxa.4144.2.2
6d3dae45-756e-4254-ad92-fda051e93c5e
1175-5326
259081
39BEEF12-011C-48E8-9C38-5476922F5845
Chaunax russatus
Ho, Roberts & Stewart, 2013
Tables 2
–4
Chaunax russatus
Ho, Roberts & Stewart, 2013
:105
, figs. 11A–B, 12A–B (type locality: Kaikoura Canyon, 43°0.09'S,
173°53.85'E
,
New Zealand
area,
821–1030 m
).
Materials
examined.
CSIROH.5345-02 (1, 120),
36°35'S
,
52°05'E
,
southwestern Indian Ocean
,
835–1110 m
,
29 Oct. 1999
.
CSIRO
H.5849-01 (1, 120),
38°27'S
,
47°42'E
,
South-West Indian Ridge
,
656–962 m
,
14 Mar. 2001
.
SAIAB
7271
(1, 171),
30°32'S
,
30°32'E
,
KwaZulu-Natal
,
625–900 m
,
10 May 1977
.
SAIAB
86432
(1, 114),
28°20.2'S
,
45°15.2'E
, S of
Madagascar
,
739–759 m
,
2 Sep. 2008
.
Diagnosis.
A species in
C. abei
-species group with 1 pair of spines bridging the lateral-line neuromasts; illicial trough wider than the pupil; gill chamber and gill arches grayish; GRii=14 or 15; and lateral-line neuromasts: BD=2, GH=10–13, BI=32–39. Body uniformly reddish when fresh, sometimes with irregular grayish marks.
Distribution.
Known from southern hemisphere off
New Zealand
,
Australia
,
Mozambique
and
South Africa
. Specimens from southern Africa were collected at depths of
625–1110 m
.
Remarks.
Ho & Last (2013)
reported that this is a trans-Indian Ocean distribution species. This species is widespread in the southern hemisphere off
South Africa
,
Australia
(both sides) and
New Zealand
. It also represents the deepest record of
Chaunax
in southern Africa.