Common name: Blackfin triplefin

Scientific name: Helcogramma fuscopinna Holleman, 1982
ヨゴレヘビギンポのオス

General information

The Yellow Triplefin, Helcogramma fuscopinna, is a small and colorful fish that is part of the Tripterygiidae family. This species is known for its distinctive three dorsal fins, which is a characteristic feature of triplefins. The body coloration of the Yellow Triplefin is quite striking, with a combination of yellow, black, and white hues that provide excellent camouflage among the reef.

Triplefins are named for their ability to rapidly change color to blend in with their surroundings, a trait that can be fascinating to observe in a home aquarium. They are also known for their interesting behavior, often perching on rocks or coral with their pectoral fins.

Details

Recommended minimum tank volume
75 liter (20 gallons)
Salinity
S.G. 1.022 to 1.025
Temperature
24 to 26 °C (75 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
6 cm (2½″)
Care level
Moderate to easy Prefers complex rockwork
Diet
Carnivore Enjoys small crustaceans
Social
Pair Pairs are harmonious
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Triplefin blennies
    Tripterygiidae
  6. Genus
    Triplefin Blennies
    Helcogramma
  7. Species
    Blackfin triplefin
    Helcogramma fuscopinna Holleman, 1982

Care

Yellow Triplefins are relatively hardy and can be a good choice for a nano or small reef aquarium. They require a tank with plenty of live rock for hiding and hunting microfauna. These fish are peaceful and can be kept with other non-aggressive tank mates. They are carnivorous, feeding on small invertebrates and zooplankton in the wild, so a diet of small meaty foods like mysis shrimp and brine shrimp is ideal in captivity.

Reproduction

Like many other triplefin species, Helcogramma fuscopinna exhibits a complex mating behavior. Males are known to perform courtship displays to attract females. In the aquarium, breeding is possible but challenging due to the need for precise water conditions and the difficulty in raising the small larvae.

Habitat

Helcogramma fuscopinna is found in the Indo-Pacific region, particularly around coral reefs and rocky substrates. They are typically seen at depths ranging from shallow waters to about 20 meters. Their natural habitat includes areas with plenty of crevices and overhangs where they can seek shelter and forage for food.