FISHES AND THE WEB OF LIFE
303
sometimes cause a serious mortality among shes, the
Band-worm does not seem to give the sh any great concern
and, if the sh is well—cooked, it does no harm to man.
The disease is common in the above=mentionèd countries
simply because the
mostly
the sh raw;
.
Whilst the shes
thus subject to many diseases and
illnesses just like human beings, they have also to suer
from other dangers now almost unknown to the latter.
That shes are cannibals and partake of their own kind,
especially when'they are younger or “weaker, there is little
doubt.
Naturally also the larger prey upon the smaller,
and “the smaller may”c0mbine to attack the larger. The
Salmon is one, of the most powerful shes in fresh water,
yet the much smaller Eels have been known to work together
_
to devour it even inthe pride
its strength before spawning.
Before it enters the rivers also it has to run the gauntlet of
.
the marauding seals. Upstrèam the bold Trout follows it “
to the nests and takes a heavy toll of the eggs. The Trout
itself, like other freshwater fs_h'eä,ähas to keep a wary eye -
on the pike, the otter, and other-Ïeneires‘ from above. No
wonder
ad‘prefersäto seek his food by night
Or When the Water is
' _
? At
shoal’of sh, Mackerel, VVhiting, Sprats, or
Herring, is invariably indicated by the presence of ,g—ulls,
Which seem to know that shes cannot'h'ear, and keep up a ’
chatter“ and screaming as they. ll
with the rich booty. The diver and the cormorant (Black
_Shag) do not keep to the surface hoWever ;“ they follow the
d0wn to the bottom, where they are sometimes
the sherman’s net 0r_ the wide gape of the Angler.
W”e— can but ‘faintly picture what goes on at the bottom
of — the sea; but the stomachs of bigger shes keep a record.
'It is a rarity to nd a Cod Without remains of some Other
«
sh inside it,ad often it is over-fullwith Sand—eels(Fig. 76),
Herring, and-the 'eggs of the Herring. Thelatær, like other
Clupeids, is
by all other animals
that
can sWim of use a net, the MackerelS, Tunnies, Porpoises
and man; We can-“ f0rm some idea ofithe numbers taken by .
303
sometimes cause a serious mortality among shes, the
Band-worm does not seem to give the sh any great concern
and, if the sh is well—cooked, it does no harm to man.
The disease is common in the above=mentionèd countries
simply because the
mostly
the sh raw;
.
Whilst the shes
thus subject to many diseases and
illnesses just like human beings, they have also to suer
from other dangers now almost unknown to the latter.
That shes are cannibals and partake of their own kind,
especially when'they are younger or “weaker, there is little
doubt.
Naturally also the larger prey upon the smaller,
and “the smaller may”c0mbine to attack the larger. The
Salmon is one, of the most powerful shes in fresh water,
yet the much smaller Eels have been known to work together
_
to devour it even inthe pride
its strength before spawning.
Before it enters the rivers also it has to run the gauntlet of
.
the marauding seals. Upstrèam the bold Trout follows it “
to the nests and takes a heavy toll of the eggs. The Trout
itself, like other freshwater fs_h'eä,ähas to keep a wary eye -
on the pike, the otter, and other-Ïeneires‘ from above. No
wonder
ad‘prefersäto seek his food by night
Or When the Water is
' _
? At
shoal’of sh, Mackerel, VVhiting, Sprats, or
Herring, is invariably indicated by the presence of ,g—ulls,
Which seem to know that shes cannot'h'ear, and keep up a ’
chatter“ and screaming as they. ll
with the rich booty. The diver and the cormorant (Black
_Shag) do not keep to the surface hoWever ;“ they follow the
d0wn to the bottom, where they are sometimes
the sherman’s net 0r_ the wide gape of the Angler.
W”e— can but ‘faintly picture what goes on at the bottom
of — the sea; but the stomachs of bigger shes keep a record.
'It is a rarity to nd a Cod Without remains of some Other
«
sh inside it,ad often it is over-fullwith Sand—eels(Fig. 76),
Herring, and-the 'eggs of the Herring. Thelatær, like other
Clupeids, is
by all other animals
that
can sWim of use a net, the MackerelS, Tunnies, Porpoises
and man; We can-“ f0rm some idea ofithe numbers taken by .