,
‘
,
\
1
_\
li…,
_“and off of artificial lamps… in theroom in which the aquarium, is
kept. Nervous fishes such as large Angels have been known to dive
"
straight into the gravel base or crash against the sides of the tank and
can suffer severe injuries, if :not death, when this happens… Lighting
should alwaysbe changed gradually or in steps, for instance by
Switching off the aquarium light say fifteen minutes before the room
—
"
'
light, and vice versa when switching on. Domestic lamp dimmers are
…
now readily available and are ideal for aquarium use.
.
—
Food
‘
_
'
‘
Any artificial enVironment requires the inclusion of food in one form
or
another and in such a manner as not to spoil its long-term
…
stability. It should be such that it can be absorbed easily and quickly
…
by the inhabitants without any serious effects suchas fouling, and
of course' it must be nutritious and efcient in promoting growth
good health. ‘
'
‘
"
Ideally, food should be given as often as the animals will take it.
_,
Many creatures, including various fish, are adaptedto continuous
others, particularly the predators, feed less often but
’
_
in larger
at one time. Some effort should be made to
for these requirements, especially in young growing fishwhi‘ch need
to
feed
cOntihuously, otherwise the loadirigs on their digestive
_
systems will be excessive. The correct quantity and quality of the
food given can only be learned by experience and demands a regular
;
involvement on the part of the‘aquarist. One of the pitfalls of keeping
’
any kind of liveStock is the need to attend to feeding requirements” .
‘
With
often inconvenient frequency and regularity. Most “of the
"..troubles encountered in artificial environments can be traç‘edbàèk‘
"
to“ excessive or incorrect feeding, especially where small _c0ntainers
are used;
’
*
-
I'—
There ;arÎe"!—fundamental differences between the feeding habits of
…
life—forms. Terrestrial animals exp end large ,
amounts of energy in searching for and obtaining water
do not have to do“._The water in which they‘liVe is
r1ch
fluid of many dissolvedsalts and gases fairly evenly
throughout, so that many valuable chemical substances canbe
absorbed directly, for example through the fiShes’-gills, With0utany
direct feeding action at all. This is—paftly "the reason why f15hescan
”10ngperiods Without actually ingesting food ahd'dQ nôt suffer Ü
severe ”dam—age, although their groWth rate may
and their overall
may slo‘wly
can
do ‘
_
C0n(Ïl1tlons
.…
—
“
V
?
‘
‘
/
«
—
‘
,
\
1
_\
li…,
_“and off of artificial lamps… in theroom in which the aquarium, is
kept. Nervous fishes such as large Angels have been known to dive
"
straight into the gravel base or crash against the sides of the tank and
can suffer severe injuries, if :not death, when this happens… Lighting
should alwaysbe changed gradually or in steps, for instance by
Switching off the aquarium light say fifteen minutes before the room
—
"
'
light, and vice versa when switching on. Domestic lamp dimmers are
…
now readily available and are ideal for aquarium use.
.
—
Food
‘
_
'
‘
Any artificial enVironment requires the inclusion of food in one form
or
another and in such a manner as not to spoil its long-term
…
stability. It should be such that it can be absorbed easily and quickly
…
by the inhabitants without any serious effects suchas fouling, and
of course' it must be nutritious and efcient in promoting growth
good health. ‘
'
‘
"
Ideally, food should be given as often as the animals will take it.
_,
Many creatures, including various fish, are adaptedto continuous
others, particularly the predators, feed less often but
’
_
in larger
at one time. Some effort should be made to
for these requirements, especially in young growing fishwhi‘ch need
to
feed
cOntihuously, otherwise the loadirigs on their digestive
_
systems will be excessive. The correct quantity and quality of the
food given can only be learned by experience and demands a regular
;
involvement on the part of the‘aquarist. One of the pitfalls of keeping
’
any kind of liveStock is the need to attend to feeding requirements” .
‘
With
often inconvenient frequency and regularity. Most “of the
"..troubles encountered in artificial environments can be traç‘edbàèk‘
"
to“ excessive or incorrect feeding, especially where small _c0ntainers
are used;
’
*
-
I'—
There ;arÎe"!—fundamental differences between the feeding habits of
…
life—forms. Terrestrial animals exp end large ,
amounts of energy in searching for and obtaining water
do not have to do“._The water in which they‘liVe is
r1ch
fluid of many dissolvedsalts and gases fairly evenly
throughout, so that many valuable chemical substances canbe
absorbed directly, for example through the fiShes’-gills, With0utany
direct feeding action at all. This is—paftly "the reason why f15hescan
”10ngperiods Without actually ingesting food ahd'dQ nôt suffer Ü
severe ”dam—age, although their groWth rate may
and their overall
may slo‘wly
can
do ‘
_
C0n(Ïl1tlons
.…
—
“
V
?
‘
‘
/
«
—