;»
n
0
a
Table
1. Comparison of species flocks or radiations of fish from some ancient lakes and the Antarctic Region
'1:i
0>
;;1.
0
' "
0
Group &
Mean
Age of
No. families/
Species
Nature of
Key
....,
Location
Habitat
depth (m)
habitat (my)
genera/species
endemism
divergence
innovations
;»
Q.
0>
'1:i
~.
(1)
Cichlids
African rift lake
572
5-20
lf501l85
99%
Trophic morpho
Modifications of
:;0
Lake Tanganyika
Behavior/ecology
phar. jaw appar.
0>
Q.
~.
Cichlids
African rift lake
290-4261-2
lf49+/500
990/c
Trophic morpho
Modifications of
0·
~
Lake Malawi
Behavior/ecology
phar. jaw appar.
0
-,
Cichlids
African lake
40
0.0124
1121/250
99%
Trophic morpho
Modifications of
;»
'"
Lake Victoria
Behavior/ecology
phar. jaw appar.
~
~
"' .
Cottoids
Siberian rift lake
730
2-25
31llf29
93%
Morphological
;r
Lake Baikal
Ecological
::r
Physiological
:e
&
Cyprinodontids
Andean plateau
105
0.8-2
lflf43
>50%
Head shape &
:;Titicaca Basin
lakes
mouth position
i);
(1)
0
Cyprinids (barbs)
Ethiopian lake
2
IIlIl
?
0%
14 mouthlhead
-,
Z
Lake Tana
shape morphs
0
' "
;»
Notothenioids
Antarctic shelf
<500
12-22
6/40/95
97%
Morphological
AFGP derived
' "
~
Antarctic Region
&
upper slope
Ecological
from trypsinogen
()
Physiological
~.
~
Liparids
Antarctic shelf
>500
12-22
lf5/64
Phyletic
::r
Antarctic Region
&
upper slope
Vl