Ï
'
.
' .
Cultured Foods
'
_
1LO7
near a convenient point. Some aquarists like to wash the shrimps to
”remove any Salt before they are fed to the fish, but this is a"inin0r
'
point, especially where the fry only receive shrimps foi‘ perhaps two
weeks. The shrimps do not live long in freshwater so must be used
carefully, but_ they will live and grow in- marine environmentsif un—
eaten. Many marine aquarists simply put the eggs into their aquaria
and allow them to hatch there. This method is— extremely convenient
but after a time the accretion of empty shells may detract from the
_decoratiVe appearance of the aquarium.
.
Brine'shrimps can be reared easily to the adult stage if they are kept,
in a more stable environment and fed on infusoria (and each other).
They are interesting aquatically as well as being g00d food for larger
fish, but the process is as troublesome as rearing the fish themselves,
:
is not often practised. Marine fishkeep€rs can do it in any old
water which is not polluted and may find it a worthwhile idea.
'
-
Microworms are another small food eaSily accepted by small fish.
—
They are cultùred in trays containing a
thick paste of cooked oat—
meal, kept at a
about 75° F (24° C). _A small quantity
_
of microworrs are needed initially to start the culture and these then
multiply rapidly to_ the point where many of them—" leave
the medium
and m0ve on to the sides of the tray. They can then be collected
there with a fine brush and fed directly to the fish..A culture
.
usually lasts about a fortnight befOre becoming foul, and it can
‘
_
be replaced by a"new one seeded’from the original. The system—is
and provided the temperature is__'raintained
»…_
culture is not allowed to dry Out, there should be no
As
:
*
_
With the previous cultures, if a'good continuous supply is“
system of replacement can“be used.
'
“
…
‘
.Grindal worms
larger and are bred in shallow boxes
,
-,
amixture of two. parts pèat_to one part,fie sand
‘
1deal) Thé cul—ture is kept warm and-. damp and again a
_
'
uSed iriitiallÿ. The worms are fed on oatmealpaste
placed
‘—
"
}
of
under a cover glass. When” the worms have; develop
sufcient quantity many of them willmovè on to
be removed from there. The
'
bedugover
€Ventuallÿreplacedï‘f‘
!
W1thfreshmater1a11f’thc‘culturè
Theszeof theg“ndaï %!
wormmakewtavery acceptable
foodforyoungfæh audit
f15hattheadUÏtstag€ The
ab out grindalsandafalsq Wh1te
'
.
' .
Cultured Foods
'
_
1LO7
near a convenient point. Some aquarists like to wash the shrimps to
”remove any Salt before they are fed to the fish, but this is a"inin0r
'
point, especially where the fry only receive shrimps foi‘ perhaps two
weeks. The shrimps do not live long in freshwater so must be used
carefully, but_ they will live and grow in- marine environmentsif un—
eaten. Many marine aquarists simply put the eggs into their aquaria
and allow them to hatch there. This method is— extremely convenient
but after a time the accretion of empty shells may detract from the
_decoratiVe appearance of the aquarium.
.
Brine'shrimps can be reared easily to the adult stage if they are kept,
in a more stable environment and fed on infusoria (and each other).
They are interesting aquatically as well as being g00d food for larger
fish, but the process is as troublesome as rearing the fish themselves,
:
is not often practised. Marine fishkeep€rs can do it in any old
water which is not polluted and may find it a worthwhile idea.
'
-
Microworms are another small food eaSily accepted by small fish.
—
They are cultùred in trays containing a
thick paste of cooked oat—
meal, kept at a
about 75° F (24° C). _A small quantity
_
of microworrs are needed initially to start the culture and these then
multiply rapidly to_ the point where many of them—" leave
the medium
and m0ve on to the sides of the tray. They can then be collected
there with a fine brush and fed directly to the fish..A culture
.
usually lasts about a fortnight befOre becoming foul, and it can
‘
_
be replaced by a"new one seeded’from the original. The system—is
and provided the temperature is__'raintained
»…_
culture is not allowed to dry Out, there should be no
As
:
*
_
With the previous cultures, if a'good continuous supply is“
system of replacement can“be used.
'
“
…
‘
.Grindal worms
larger and are bred in shallow boxes
,
-,
amixture of two. parts pèat_to one part,fie sand
‘
1deal) Thé cul—ture is kept warm and-. damp and again a
_
'
uSed iriitiallÿ. The worms are fed on oatmealpaste
placed
‘—
"
}
of
under a cover glass. When” the worms have; develop
sufcient quantity many of them willmovè on to
be removed from there. The
'
bedugover
€Ventuallÿreplacedï‘f‘
!
W1thfreshmater1a11f’thc‘culturè
Theszeof theg“ndaï %!
wormmakewtavery acceptable
foodforyoungfæh audit
f15hattheadUÏtstag€ The
ab out grindalsandafalsq Wh1te