Two Barred Rabbitfish
Siganus virgatus
Saltwater Fish
Species Group: Rabbitfish
Family: Siganidae
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Water parameters
Temp
76-80 F
Temperature
Maintaining a stable and appropriate temperature is critical for the survival of aquatic life.
pH 7.8 - 8.4 potential of HydrogenMeasuring the acidity or alkalinity of water on a 0–14 scale, where 7 is neutral, 7 is alkaline.
NO3 1-20 ppm NitrateWhile less toxic than ammonia, high nitrate levels (above 40–80 ppm) are important to monitor because they can cause fish stress, stunted growth, and harmful algae blooms.
NO2 <0.0001 ppm NitriteIt is a highly toxic, intermediate compound in the nitrogen cycle produced from broken-down ammonia
PO4 0.01 - 0.1 ppm PhosphateIt is essential for plant development but must be managed, as excess levels trigger nuisance algae blooms and inhibit coral calcification.
NH3 <0.1 ppm AmmoniaIt is the primary killer of aquarium fish, causing gill damage, stress, and death
Ca 380 - 450 ppm CalciumSupporting the growth, skeletal structure, and shell formation of corals, mollusks, crustaceans, and coralline algae
KH 8 - 12 dKH AlkalinityIt acts as a shield, neutralizing acids to prevent dangerous pH "crashes" that can harm fish, corals, and plants.
Mg 1200 - 1400 ppm MagnesiumIt enables coral growth by supporting skeletal formation, assists in metabolic processes, and ensures that calcium is available for corals, clams, and coralline algae.
SG 1.023 - 1.026 SG SalinityEssential for maintaining stable, natural water parameters, proper osmoregulation, and stress-free environments for marine fish and corals
ORP 250 - 400 mV Oxidation-Reduction PotentialA higher positive mV indicates clean, oxygen-rich water with high water quality, while low readings indicate high pollution.
About Two Barred Rabbitfish
General information
The Two Barred Rabbitfish usually travels in pairs among the reefs of the Indo-West Pacific. It has an oblong shape to its body and has a beautiful series of blue markings with a yellow back and tail. The eyes of this fish are masked by a black stripe that extends from the bottom of the mouth to the top of the head and has a matching black stripe behind the gill plate. It requires a large aquarium. It is a very peaceful species except when housed with other Rabbitfish. The Two Barred Rabbitfish may be housed with more aggressive fish and can be kept in pairs. Its predators will tend to leave it alone because of its venomous dorsal spines, which it can raise when disturbed. Care must be taken when handling this fish to avoid the possibility of being stung by its venomous spines. Rabbitfish are generally reef-safe if they are well fed, and they will eat all kinds of macro-algae and even bubble algae. If not, it is possible for them to nip at and consume some species of LPS and soft corals.
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