Yellow Spade Basslet
Grammatonotus brianne
Saltwater Fish
Species Group: Basslets
Family: Callanthiidae
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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 Yellow Spade Basslet
General information
The Yellow Spade Basslet is a small, brightly colored fish that is native to the Western Pacific Ocean. They have a bright yellow body with a blue-green head and a black stripe running from the nose to the dorsal fin. The species can grow up to 2.5 inches in length and can live for up to 5 years in captivity. They are relatively easy to care for and make a great addition to a reef aquarium.
Diet & nutrition
In the wild, Yellow Spade Basslets feed on a diet of small crustaceans and other invertebrates. In captivity, they can be fed a diet of frozen or live foods such as brine shrimp, mysis shrimp, and small pieces of fish. It is also recommended to offer them a variety of different types of food to ensure a balanced diet.
Determining sex
There are no noticeable differences in appearance between male and female Yellow Spade Basslets, so it can be difficult to determine their sex.
Breeding & spawning
Breeding the Yellow Spade Basslet in captivity is rare and challenging. They are protogynous hermaphrodites, which means that they begin life as females and can later change into males. In order to successfully breed them, it is necessary to have a mated pair, which can be difficult to obtain.
Diseases
Like all fish, the Yellow Spade Basslet is susceptible to a variety of diseases, including bacterial and fungal infections, parasites, and stress-related illnesses. It is important to maintain good water quality and to quarantine any new fish before adding them to the aquarium to prevent the spread of disease.
Origination
The Yellow Spade Basslet is native to the Western Pacific Ocean, specifically the waters around Papua New Guinea and the Solomon Islands.
Cautions
The Yellow Spade Basslet is generally a peaceful fish that can be kept with other small, non-aggressive fish. However, it may become territorial and aggressive towards other fish of the same species or similar appearance. It is important to provide plenty of hiding places and territories for them to establish their own space.
Acclimation process
When introducing the Yellow Spade Basslet to a new aquarium, it is important to acclimate them slowly to prevent shock and stress. This can be done by floating the bag containing the fish in the aquarium for at least 15 minutes to allow the temperature to equalize and then slowly adding small amounts of aquarium water to the bag over a period of at least an hour.
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