... vetula
The queen trigger fish, native to the tropical Atlantic - the
others come from the Indo-Pacific region - is one of the most
placid. It is easy to acclimatize and grows quickly - sometimes ... volitans
The volitan lionfish is the one most often
found in the aquarium trade. It gets
accustomed to dead foodstuffs. The
membrane linking the spokes of the
p...
... lighting if the
plants demand this.
Most species are raised with a large part of
the plant - or even all of it - outside the
water, although the environment is
extremely humid. They adapt to the
aquarium ... cuttings. Size: 30 cm.
Rotala rotundifolia
The upper face of the leaves of the round-leaf rotalia is green, the lower one a
reddish color. When the leaves...
... light
The further away the light source, the
greater the loss in:
- the lighting hood;
- the glass lid covering the aquarium;
- the water.
Part of the light is reflected by the surface
of the water, ... 14; p. 20; p. 21; p. 29; p.
30 ; p. 31 ; p. 32 ; p. 33 (b); p. 34 ; p. 35 (1); p. 36 ; p. 37 ; p. 38 ; p. 39 ft) Aquarium de Tours; p. 39 (b);...
... is a relationship between the CH and
the general hardness: the closer the CH
value comes to the GH value, the more bal-
anced the water. If the CH is less than 75%
of the GH, you are likely to ... Filtration, page 237 )
allow fishkeepers keep their water clear.
The effects of this are entirely positive:
- the visual appearance is improved;
- the light required...
... always some-
thing for the beginner, though day-to-day care
is not particularly difficult. We suggest the novice try two
species:
Hemigrammus ocellifer
The head- and tail-light fish is one of the commonest
characins, ... accidents on the part
of the aquarist.
The origin of a disease can be inside the
aquarium
This is generally due to a disruption of the
general balance,...
... is a relationship between the CH and
the general hardness: the closer the CH
value comes to the GH value, the more bal-
anced the water. If the CH is less than 75%
of the GH, you are likely to ... Filtration, page 237 )
allow fishkeepers keep their water clear.
The effects of this are entirely positive:
- the visual appearance is improved;
- the light required...