An annotated checklist of the chondrichthyans of Papua New Guinea
Author
White, William T.
Author
Ko’Ou, Alfred
text
Zootaxa
2018
2018-04-19
4411
1
1
82
journal article
30231
10.11646/zootaxa.4411.1
abf8082d-c179-4cb2-acc4-3cdef16c4341
1175-5326
1221878
255EE06E-3171-41F3-BB3D-E7D29537A292
Rhizoprionodon acutus
(Rüppell, 1837)
Milk Shark
Carcharias acutus
Rüppell, 1837: 65
, pl. 18 (fig. 4). Lectotype: SMF 2783 (stuffed). Type locality: Jeddah, Saudi Arabia, Red Sea.
Local synonymy:
Rhizoprionodon
acutus—
Filewood, 1973
: 4 (PNG);
Kailola, 1987
: 18 (Darapap; Gogol River mouth; Ramu River mouth; Rabual; Orangerie Bay; Port Moresby; Yule Island);
Fricke
et al.
, 2014
: 12 (Madang);
White
et al.
, 2018
: 174, figs (PNG).
PNG
voucher material:
(24 spec.) AMS I 16667-003, female
605 mm
TL, AMS I 16667-006, female
757 mm
TL,
Bostrem Bay
,
Madang
Harbour,
5°4’58” S
,
145°48’4” E
,
27 Jul. 1969
;
CSIRO
H 7800-01, juvenile male
340 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°6’57.6” S
,
145°52’1.2” E
,
14–17 m
depth,
8 Jun. 2014
;
CSIRO
H 7804-01, female
350 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°6’45.6” S
,
145°50’49.8” E
,
21–22 m
depth,
13 Jun. 2014
;
CSIRO
H 7812-01, female
360 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°5’24.6” S
,
145°51’7.2” E
,
13 m
depth,
22 Jun. 2014
;
CSIRO
H 7824-01, adult male
770 mm
TL, east of
Fly River
mouth,
Gulf
of Papua,
8°39’ S
,
144°6’ E
,
11–15 m
depth,
12 Dec. 2014
;
CSIRO
H 7829-01, juvenile male
360 mm
TL, south of
Deception Bay
,
Gulf
of Papua,
8°1’53” S
,
144°38’48” E
,
20–22 m
depth,
7 Dec. 2014
;
CSIRO
H 7835-02, juvenile male
430 mm
TL, south of
Deception Bay
,
Gulf
of Papua,
8°2’16” S
,
144°38’26” E
,
22–23 m
depth,
15 Dec. 2014
;
CSIRO
H 8007-01, female
420 mm
TL, west of
Avirara
,
Gulf
of Papua,
8°17’34.08” S
,
146°10’34.92” E
,
10–12 m
depth,
25 Aug. 2015
;
CSIRO
H 8163-02 (chondrocranium and dried jaws), adult male
790 mm
TL, south of
Kerema
,
Gulf
of Papua,
8°3’45” S
,
145°46’49” E
,
13–18 m
depth,
9 Sep. 2015
;
CSIRO
H 8162-02 (dried jaws), adult male
790 mm
TL, south of
Kerema
,
Gulf
of Papua,
8°4’26” S
,
145°40’55” E
,
17–20 m
depth,
7 Sep. 2015
;
CSIRO
H 8169-01 (dried jaws), adult male
770 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°8’35” S
,
145°56’26” E
,
18–26 m
depth,
9 Apr. 2015
;
CSIRO
H 8164-01 (dried jaws), adult male
790 mm
TL, south of
Deception Bay
,
Gulf
of Papua,
8°3’53” S
,
144°41’8” E
,
21–31 m
depth,
7 Dec. 2014
; KFRS E.016A (dried jaws), adult female,
KFRS
E.016B (dried jaws), adult female,
Hall Sound
,
Central Province
, 11/
12 Nov. 1964
;
KFRS
E.279B, juvenile male
305 mm
TL, north of
Yule Island
,
Central Province
,
Apr. 1966
;
KFRS
E.668, juvenile male
340 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°8’ S
,
146°1’ E
,
14–15 m
depth,
29 Nov. 2014
;
KFRS
E.670, adult male
760 mm
TL, east of
Fly River
mouth,
Gulf
of Papua,
8°40’ S
,
144°7’ E
,
13–20 m
depth,
2 Dec. 2014
;
KFRS
E.700, juvenile male
360 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°5’45” S
,
145°52’36” E
,
14–16 m
depth,
8 Jun. 2014
;
KFRS
E.714, juvenile male
320 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°5’38.4 S
,
145°50’44.4” E
,
14–15 m
depth,
16 Jun. 2014
;
KFRS
E.723, juvenile male
320 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°6’57.6” S
,
145°52’1.2” E
,
14–17 m
depth,
8 Jun. 2014
; KFRS E.730, juvenile male
370 mm
TL,
KFRS
E.731, juvenile male
390 mm
TL,
Freshwater Bay
,
Gulf
of Papua,
8°6’45.6” S
,
145°50’49.8” E
,
21–22 m
depth,
13 Jun. 2014
;
KFRS
E.766, female
430 mm
TL, south of
Deception Bay
,
Gulf
of Papua,
8°1’53” S
,
144°38’48” E
,
20–22 m
depth,
7 Dec. 2014
.
Remarks:
First recorded from
PNG
by
Filewood (1973)
. Sometimes confused with
Carcharhinus macloti
. Common in the bycatch of the
Gulf
of Papua prawn trawl fishery and in coastal fisheries in
PNG
.