110.1 Ap/etodon pellegrini
(Chabanaud, 1925)
PLATE 14
Chubby clingfish
Pokkel-suiervis
Lepadogaster (Mirbelia) pellegrini Chabanaud, 1925: 283, 286
(Senegal, Cape Blanco, Madeira, Cape Verde Ids.). Apletodon pellegrini:
Briggs, 1955: 27*; M.L. Penrith , 1969: 125* ; Penrith & Penrith , 1970.
Apletodon knysnaensis Smith, 1964: 590, PI. 93, Figs. B, C, PI. 96, Figs.
A-F, PI. 97 , Figs. B-F (Knysna); Smith & Smith, 1966: 114* .
D 5-6 ; A 5; P 22-25 ; C 10-12; GR 6-8. Head length 2.2-2.3, body depth
4.9-5 .2 and disc length 3.2-3.5 in SL. Upper attachment of gill membrane
opposite 3-4th P ray. Disc Region A with 5-6 rows of flattened papillae
across its width ; 7-8 rows across disc Region B; 5-6 rows across Region C.
Attains 50 mm. Ranges from Senegal, west Africa, to
Port Alfred .
Genus Chorisochismus Brisout de Barneville, 1846
One endemic species.
Rocksucker
110.2 Chorisochismus dentex
(Pallas, 1769)
PLATE 14
Klipsuier
Cyclopterus dentex Pallas, 1769: 6, Pl. 1 (no locality) . Gobiesox gyrinus
Valenciennes, 1836: PI. 108 (South Africa). Gobiesox Jimbriatus Castelnau, 1861: 72 (Camps Bay). AthaenaJasciata Castelnau , 1861 : 72 (Green
Point). Chorisochismus dentex: Smith , SFSA No. 1086*; Smith & Smith ,
1966: 113*; Penrith , 1969: 129*; Stobbs, 1980: 146*.
D 7-9; A 6-7 ; P21-24; C 8-10; GR4. Head length 1.9-2.9, width 1.9-2.9,
and disc 2.6-3.2 in SL. Teeth large, conical and slightly compressed at
front of jaw. Disc Region A with 21 (18-25) rows of flattened papillae
across its width ; 10-11 rows across disc Region B; 19-24 across Region C.
One of the largest clingfishes, attains 30 cm. Stobbs
(1980) has shown that adults feed on sea urchins and limpets. The limpets are removed by levering with the large
upper incisiform teeth ; undigested shells are passed whole
encased in mucus capsules. Known only from Port Nolloth
to northern Natal.
Genus Diplecogaster Fraser-Brunner, 1938
Three species; 1 in our area .
110.3 Dip/ecogaster mega/ops
Briggs, 1955
PLATE 14
Bigeye clingfish
Grootoog-suiervis
Diplecogaster megalops Briggs, 1955: 31 , Fig. 84 (Durban) ; Smith ,
1961 : 572, No. 10873; 1964: 299* ; 1964: 593*; Penrith & Penrith , 1970:
392.
D 4-6; A 3-5 ; P 23-25 ; C 10; GR 6-7. C peduncle depth 1.0-1.2 in its
length . Eyes 0.5-0.8 in bony interorbital space and 3.0-3.5 in head. Head
110: GOBIESOCIDAE (CLING FISHES)
length 2.6-2.8, disc length 3.2-3.6 in SL. Disc Region A with 3-5 rows of
flattened papillae across its width; 5 rows across disc Region B; 3-4 rows
across disc Region C.
Attains 34 mm. Known only from False Bay to Durban.
110.3 Diplecogaster megalops: 2.5 em (False Bay).
Genus Eckloniaichthys Smith, 1943
One endemic species.
110.4 Eck/oniaichthys scylliorhiniceps
Smith,1943
PLATE 14
Weedsucker
Plantsuier
Eckloniaichthys scyl/iorhiniceps Smith , 1943: 67 , Fig. 1 (East London);
Smith , SFSA No. 1087*; Briggs, 1955: 72*; Smith, 1964: 584*; Smith &
Smith , 1966: 115* ; Penrith , 1969: 130* .
D 5-6; A 5-6; P 18-19; C 10-12; GR 4-5. Head length 3.6-4.0 and head
width 5.7-6.2 in SL. Upper attachment of gill membrane opposite 2nd P
ray. Disc length 6.5-6.7 in SL. Disc Region A with only 1 group of papillae
in centre ; disc Region B with 4-5 rows of flattened papillae across its
width ; 2 rows in centre of disc Region C.
Attains 35 mm. Liideritz to Kei River mouth.
Genus Lepadichthys Waite, 1904
Nine species, 3 in our area.
KEY TO SPECIES
la Snout depressed, produced, resembling a duck's beak ;
disc circular, its length much less than distance
from middle of lower lip to disc; 11-16 GR on
2nd gill arch .............................. .... .......... ...... L. coccinotaenia
Ib Snout short, rounded, not resembling a duck's beak;
disc oval , its length about equal to distance from
middle of lower lip to disc; 8 GR on 2nd gill arch.. ...... .. .... .. ...... 2
2a Post dorsal-caudal distance (from base of last Dray
to base of middle Crays) 2.0-2.5 in length of Dbase
(distance between bases of 1st and last Drays);
upper attachment of opercular membrane
opposite 10th to 12th Pray .. .... .... .. .. ........ .. .. .... .... .... L. lineatus
2b Postdorsal-caudal distance 1.3-1.8 in D base ; upper
attachment of opercular membrane opposite 7th
to 9th Pray ........ .... .... .. .. ........ .. .................... .. ...... .. L. caritus
379
(Chabanaud, 1925)
PLATE 14
Chubby clingfish
Pokkel-suiervis
Lepadogaster (Mirbelia) pellegrini Chabanaud, 1925: 283, 286
(Senegal, Cape Blanco, Madeira, Cape Verde Ids.). Apletodon pellegrini:
Briggs, 1955: 27*; M.L. Penrith , 1969: 125* ; Penrith & Penrith , 1970.
Apletodon knysnaensis Smith, 1964: 590, PI. 93, Figs. B, C, PI. 96, Figs.
A-F, PI. 97 , Figs. B-F (Knysna); Smith & Smith, 1966: 114* .
D 5-6 ; A 5; P 22-25 ; C 10-12; GR 6-8. Head length 2.2-2.3, body depth
4.9-5 .2 and disc length 3.2-3.5 in SL. Upper attachment of gill membrane
opposite 3-4th P ray. Disc Region A with 5-6 rows of flattened papillae
across its width ; 7-8 rows across disc Region B; 5-6 rows across Region C.
Attains 50 mm. Ranges from Senegal, west Africa, to
Port Alfred .
Genus Chorisochismus Brisout de Barneville, 1846
One endemic species.
Rocksucker
110.2 Chorisochismus dentex
(Pallas, 1769)
PLATE 14
Klipsuier
Cyclopterus dentex Pallas, 1769: 6, Pl. 1 (no locality) . Gobiesox gyrinus
Valenciennes, 1836: PI. 108 (South Africa). Gobiesox Jimbriatus Castelnau, 1861: 72 (Camps Bay). AthaenaJasciata Castelnau , 1861 : 72 (Green
Point). Chorisochismus dentex: Smith , SFSA No. 1086*; Smith & Smith ,
1966: 113*; Penrith , 1969: 129*; Stobbs, 1980: 146*.
D 7-9; A 6-7 ; P21-24; C 8-10; GR4. Head length 1.9-2.9, width 1.9-2.9,
and disc 2.6-3.2 in SL. Teeth large, conical and slightly compressed at
front of jaw. Disc Region A with 21 (18-25) rows of flattened papillae
across its width ; 10-11 rows across disc Region B; 19-24 across Region C.
One of the largest clingfishes, attains 30 cm. Stobbs
(1980) has shown that adults feed on sea urchins and limpets. The limpets are removed by levering with the large
upper incisiform teeth ; undigested shells are passed whole
encased in mucus capsules. Known only from Port Nolloth
to northern Natal.
Genus Diplecogaster Fraser-Brunner, 1938
Three species; 1 in our area .
110.3 Dip/ecogaster mega/ops
Briggs, 1955
PLATE 14
Bigeye clingfish
Grootoog-suiervis
Diplecogaster megalops Briggs, 1955: 31 , Fig. 84 (Durban) ; Smith ,
1961 : 572, No. 10873; 1964: 299* ; 1964: 593*; Penrith & Penrith , 1970:
392.
D 4-6; A 3-5 ; P 23-25 ; C 10; GR 6-7. C peduncle depth 1.0-1.2 in its
length . Eyes 0.5-0.8 in bony interorbital space and 3.0-3.5 in head. Head
110: GOBIESOCIDAE (CLING FISHES)
length 2.6-2.8, disc length 3.2-3.6 in SL. Disc Region A with 3-5 rows of
flattened papillae across its width; 5 rows across disc Region B; 3-4 rows
across disc Region C.
Attains 34 mm. Known only from False Bay to Durban.
110.3 Diplecogaster megalops: 2.5 em (False Bay).
Genus Eckloniaichthys Smith, 1943
One endemic species.
110.4 Eck/oniaichthys scylliorhiniceps
Smith,1943
PLATE 14
Weedsucker
Plantsuier
Eckloniaichthys scyl/iorhiniceps Smith , 1943: 67 , Fig. 1 (East London);
Smith , SFSA No. 1087*; Briggs, 1955: 72*; Smith, 1964: 584*; Smith &
Smith , 1966: 115* ; Penrith , 1969: 130* .
D 5-6; A 5-6; P 18-19; C 10-12; GR 4-5. Head length 3.6-4.0 and head
width 5.7-6.2 in SL. Upper attachment of gill membrane opposite 2nd P
ray. Disc length 6.5-6.7 in SL. Disc Region A with only 1 group of papillae
in centre ; disc Region B with 4-5 rows of flattened papillae across its
width ; 2 rows in centre of disc Region C.
Attains 35 mm. Liideritz to Kei River mouth.
Genus Lepadichthys Waite, 1904
Nine species, 3 in our area.
KEY TO SPECIES
la Snout depressed, produced, resembling a duck's beak ;
disc circular, its length much less than distance
from middle of lower lip to disc; 11-16 GR on
2nd gill arch .............................. .... .......... ...... L. coccinotaenia
Ib Snout short, rounded, not resembling a duck's beak;
disc oval , its length about equal to distance from
middle of lower lip to disc; 8 GR on 2nd gill arch.. ...... .. .... .. ...... 2
2a Post dorsal-caudal distance (from base of last Dray
to base of middle Crays) 2.0-2.5 in length of Dbase
(distance between bases of 1st and last Drays);
upper attachment of opercular membrane
opposite 10th to 12th Pray .. .... .... .. .. ........ .. .. .... .... .... L. lineatus
2b Postdorsal-caudal distance 1.3-1.8 in D base ; upper
attachment of opercular membrane opposite 7th
to 9th Pray ........ .... .... .. .. ........ .. .................... .. ...... .. L. caritus
379