.
\
\
\
\\
\
\
\\\
\
\/
\\\\\\\
”
22
ÎheΑAqüatic Environment
‘
_
—_
‘
*
Fishes may be herbivorous (vegetarian) or carnivorous (meat ‘eat_
.
ing) or more likely both, and most species
variety
f00ds of both kinds when huhgry, but it is surprising hOW the—y show
preferehces for certain items when they are well fed. ln its natural
"
surroundings each species has its own way of acquiring the fOod Which
_
suits it best, butin captivity it is dependent on the offerings of the
[
aquarist. In an enclosed artificial environment the fish theoretically
has far better feeding conditions than it ever does in the wild because
…
it does not have to go foraging
its food, nor compete seriously
._
for it with other fishes, nor keep a constant watch for enemieswhilst
feeding. If its dietary requirements are understood and it_is offered
the right type of food, size and soon, it should come to a better
_
condition, than in the wild, assuming that all other environmental
conditions are satisfactory. Good feeding helps wild imported fish
-
to settle quickly, especially if they can be given something with which
they are already familiar, and young fish are particularly sensitive
to feeding arrangements. As an example, aquarists who raise fish in
‘
quantity for Sale or for the selection of breeding …specimens can
,
usually rear them to the size atwhich they are sold by most aquatic
.
shops within ten to twelVe weeks, depending on the species
_“
(see p; 127).
,
-
-
_
—
“,
Details of particular foods, feeding and
techniques
_
.
’
are dealt with elsewhere (p 98). It only needs to
‘ih'this
'—
secti0n that although a great“ deal of time ,is wasted
—’
inefficient and unnecessary
methodS,…this
rarely is the case with feeding“ practices.
feeding
technique has been
should'be too much trouble in
into operation,‘andthe regular involvementnecæsary
…
the right attitude to feeding cannot be overstressed.
._
_
«
\
—
Fishare cold—bl0odedanimals,andassuchonly
tr01
their b‘Odytemperaturewhmh vanesw1ththetemperature
_
S
.
'
“of «the surroundinâ water—: Theyemploythêsameproœssesforthe
.‘«result that, for practical purposeS,their bodytemperature canb &: said ‘
to,…be. equal. to that of
aS‘ itS.
fdngttyhlthndgrowtbttvty level and the workings
0f1tsitcrnal pro.
by the
…i_
\\‘\\\\- \\\ \\ \ \ \ \\ \
\
=
\
\
»
“: »… »…
\
\
\
\\
\
\
\\\
\
\/
\\\\\\\
”
22
ÎheΑAqüatic Environment
‘
_
—_
‘
*
Fishes may be herbivorous (vegetarian) or carnivorous (meat ‘eat_
.
ing) or more likely both, and most species
variety
f00ds of both kinds when huhgry, but it is surprising hOW the—y show
preferehces for certain items when they are well fed. ln its natural
"
surroundings each species has its own way of acquiring the fOod Which
_
suits it best, butin captivity it is dependent on the offerings of the
[
aquarist. In an enclosed artificial environment the fish theoretically
has far better feeding conditions than it ever does in the wild because
…
it does not have to go foraging
its food, nor compete seriously
._
for it with other fishes, nor keep a constant watch for enemieswhilst
feeding. If its dietary requirements are understood and it_is offered
the right type of food, size and soon, it should come to a better
_
condition, than in the wild, assuming that all other environmental
conditions are satisfactory. Good feeding helps wild imported fish
-
to settle quickly, especially if they can be given something with which
they are already familiar, and young fish are particularly sensitive
to feeding arrangements. As an example, aquarists who raise fish in
‘
quantity for Sale or for the selection of breeding …specimens can
,
usually rear them to the size atwhich they are sold by most aquatic
.
shops within ten to twelVe weeks, depending on the species
_“
(see p; 127).
,
-
-
_
—
“,
Details of particular foods, feeding and
techniques
_
.
’
are dealt with elsewhere (p 98). It only needs to
‘ih'this
'—
secti0n that although a great“ deal of time ,is wasted
—’
inefficient and unnecessary
methodS,…this
rarely is the case with feeding“ practices.
feeding
technique has been
should'be too much trouble in
into operation,‘andthe regular involvementnecæsary
…
the right attitude to feeding cannot be overstressed.
._
_
«
\
—
Fishare cold—bl0odedanimals,andassuchonly
tr01
their b‘Odytemperaturewhmh vanesw1ththetemperature
_
S
.
'
“of «the surroundinâ water—: Theyemploythêsameproœssesforthe
.‘«result that, for practical purposeS,their bodytemperature canb &: said ‘
to,…be. equal. to that of
aS‘ itS.
fdngttyhlthndgrowtbttvty level and the workings
0f1tsitcrnal pro.
by the
…i_
\\‘\\\\- \\\ \\ \ \ \ \\ \
\
=
\
\
»
“: »… »…