5: SQUALIDAE (DOGFISHES)
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5.26 Squalus megalops: 55.5 em female (Natal). Ventral view of head from 40 em male (Natal); N = nostril, d as in 2.1.
5.26 Squa/us mega/ops
(MacLeay, 1882)
Bluntnose spiny dogfish
Stompneus-penhaai
Acanthias megalops MacLeay, 1882: 367 (Australia). Squalus acutipinnis Regan, 1908: 248, PI. 37 (South Africa, Mauritius). Squalus fernandinus: Smith, SFSA No. 53. Squalus megalops: Bass et aI., 1976: 16*; van
der Elst, 1981: 62* .
T hI2or13-1-12or13
eet
11-11
.
Dark brown or grey above, paler below. Fins of juveniles
white-tipped, adults almost plain. Two to 4 pups per litter,
born at about 23 cm; mature at 42 cm (males) and 55 cm
(females); attains 55 cm (males) and at least 70 cm
(females). On continental shelf of warmer oceans; found off
Namibia and, on the east coast, south to Algoa Bay.
5.27 Squa/us mitsukurii
Jordan & Fowler, 1903
Longnose spiny dogfish
Langneus-penhaai
Squalus mitsukurii Jordan & Snyder, 1901: 129 (name only); Jordan
& Fowler, 1903: 629, Fig. 3 (Misaki, Japan); Chen et aI., 1979: 31* .
Squalus blainvillei: Bass et aI., 1976: 15*.
13-1-13
Teeth 11-1-11'
Grey above, white below. Juveniles with white trailing
edges to fins. About 6-9 pups per litter, born at 22-26 cm;
males mature at about 60 cm, females at about 70 cm; attains 80 cm (males) and almost 100 cm (females). All
oceans; in our area from tropics to Algoa Bay, absent from
southwestern Cape.
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5.27 Squalus mitsukurii: 80.6 em female (Mozambique). Ventral view of head of 43 em male (Natal); N & d as in 2.1 .
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