N
9.33 Rhizoprionodon acutus: 99 em mature female (Natal). N & T as in 2.1.
Genus Rhizoprionodon Whitley, 1929
Seven species; 1 in our area.
Milkshark
9.33 Rhizoprionodon acutus
(ROppell,1837)
Melkhaai
Carcharias aculus Riippell , 1837: 65 , PI. 18, Fig. 4 (Djetta). Scoliodon
vagalus: Smith, SFSA No.H. Scoliodon walbeehmi: Smith , SFSA No. 12*.
Scoliodon palasorrah: Smith, SFSA No. 13. Rhizoprionodon aculus:
Springer, 1964: 594*; Bass et aI., 1975: 39*; van der Elst, 1981: 42*.
Second 0 origin just in front of A axil. No spiracles or interdorsal
.
12·1-12
ndge. Teeth 11-2-11. Precaudal vertebrae 64-70. Snout milky when
viewed from below.
Viviparous; 2-8 pups per litter, born at 30-35 cm; males
mature at 80 cm; attains just over 100 cm. Eats fish, squid
and crustaceans. An inshore species often taken by anglers;
sometimes found in brackish water. Tropical eastern Atlantic, Indo-West Pacific to southern Natal.
9.34 Scylliogaleus quecketti: 94 em mature female ( Natal). T = teeth.
9: CARCHARHINIDAE (REQUIEM SHARKS)
Genus Scy/lioga/eus Boulenger, 1902
Monotypic; endemic to South Africa.
9.34 Scyl/ioga/eus quecketti
Boulenger, 1902
Flapnose houndshark
Flapneus-hondhaai
Scylliogaleus quecketti Boulenger, 1902: 52, PI. 4 (Umkomaas, Natal);
Bass et aI. , 1975: 13*. Scylliogaleus queketti: Smith, SFSA No. 16*.
Immediately distinguished by the large nasal flap covering deep grooves
joining the nostrils to the mouth. Teeth small, bluntly rounded, in a
mosaic pattern with several functional series. Transitional nictitans. Interdorsal ridge present.
Grey above, white below; fins plain. Viviparous, 2-4 pups
per litter, born at about 34 cm; attains just over 100 cm. Eats
crustaceans. Shallow water from central Natal to northeastern Cape.
85
9.33 Rhizoprionodon acutus: 99 em mature female (Natal). N & T as in 2.1.
Genus Rhizoprionodon Whitley, 1929
Seven species; 1 in our area.
Milkshark
9.33 Rhizoprionodon acutus
(ROppell,1837)
Melkhaai
Carcharias aculus Riippell , 1837: 65 , PI. 18, Fig. 4 (Djetta). Scoliodon
vagalus: Smith, SFSA No.H. Scoliodon walbeehmi: Smith , SFSA No. 12*.
Scoliodon palasorrah: Smith, SFSA No. 13. Rhizoprionodon aculus:
Springer, 1964: 594*; Bass et aI., 1975: 39*; van der Elst, 1981: 42*.
Second 0 origin just in front of A axil. No spiracles or interdorsal
.
12·1-12
ndge. Teeth 11-2-11. Precaudal vertebrae 64-70. Snout milky when
viewed from below.
Viviparous; 2-8 pups per litter, born at 30-35 cm; males
mature at 80 cm; attains just over 100 cm. Eats fish, squid
and crustaceans. An inshore species often taken by anglers;
sometimes found in brackish water. Tropical eastern Atlantic, Indo-West Pacific to southern Natal.
9.34 Scylliogaleus quecketti: 94 em mature female ( Natal). T = teeth.
9: CARCHARHINIDAE (REQUIEM SHARKS)
Genus Scy/lioga/eus Boulenger, 1902
Monotypic; endemic to South Africa.
9.34 Scyl/ioga/eus quecketti
Boulenger, 1902
Flapnose houndshark
Flapneus-hondhaai
Scylliogaleus quecketti Boulenger, 1902: 52, PI. 4 (Umkomaas, Natal);
Bass et aI. , 1975: 13*. Scylliogaleus queketti: Smith, SFSA No. 16*.
Immediately distinguished by the large nasal flap covering deep grooves
joining the nostrils to the mouth. Teeth small, bluntly rounded, in a
mosaic pattern with several functional series. Transitional nictitans. Interdorsal ridge present.
Grey above, white below; fins plain. Viviparous, 2-4 pups
per litter, born at about 34 cm; attains just over 100 cm. Eats
crustaceans. Shallow water from central Natal to northeastern Cape.
85