Sohal Tang
Acanthurus sohal
Saltwater Fish
Species Group: Tang and Surgeons
Family: Acanthuridae
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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 Sohal Tang
General information
It is found in the Red Sea, to the Persian Gulf, and the Arabian Sea, sometimes in large aggregations, but usually in solitude. These fish commonly inhabit the reef plateau just before the slope and are generally found in depths of less than 20 meters (65'). Wild Sohal Tang specimens can grow to 16 inches; in an aquarium, the adults will normally grow from 7 to 10 inches. The Sohal Tang is hardy, but susceptible to a disease known as Lateral Line erosion, or Hole in the Head. A vegetarian diet high in vitamins, especially beta-carotene can aid in the prevention of development of the disease. Stray voltages are also thought to contribute to this disease and the grounding probe may be beneficial. Sohal Tangs are very aggressive. They should not be kept with other Tangs or Wrasse species. They tend to be well-behaved with old tank mates but try to kill any new additions. They are only suited for large aquariums with other aggressive fish. They do fairly well in very large reef systems with no other Tangs and plenty of swimming room. The blue outline on the fins and the horizontal body striping render them quite striking. Because of its aggression factor and size, this fish should only be kept by an experienced aquarist with a large reef tank.
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