Banded Longfin Basslet
Belonepterygion fasciolatum
Saltwater Fish
Species Group: Basslets
Family: Plesiopidae
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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 Banded Longfin Basslet
General information
The Banded Longfin is a small, schooling, saltwater fish that grows up to 2.5 inches (6 cm) in length. It is known for its long and slender body, which is light brown with several vertical bands of darker brown. This fish is an active swimmer and can be found in shallow, rocky areas of the western Atlantic Ocean.
Diet & nutrition
The Banded Longfin is carnivorous and feeds on small invertebrates, including shrimp, copepods, and amphipods. In an aquarium, they can be fed a variety of frozen or live meaty foods, such as brine shrimp, mysis shrimp, and small pieces of fish.
Determining sex
There are no visible differences between male and female Banded Longfins.
Breeding & spawning
There is limited information available about breeding and spawning in the Banded Longfin.
Diseases
The Banded Longfin is generally a hardy species and is not prone to many diseases. However, like all fish, it can be susceptible to parasitic infections, bacterial infections, and fungal infections.
Origination
The Banded Longfin is native to the western Atlantic Ocean, from the coast of North Carolina to Brazil.
Cautions
The Banded Longfin is not known to be aggressive, but it is a small fish and may be preyed upon by larger fish in the aquarium. It should be housed with other peaceful fish of similar size and temperament.
Acclimation process
When introducing Banded Longfins to a new aquarium, it is important to acclimate them slowly. This can be done by floating the sealed bag in the aquarium for 15-20 minutes to allow the water temperature to equalize, then adding small amounts of aquarium water to the bag every few minutes to adjust the fish to the new water chemistry gradually.
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