Common name: Fivefinger wrasse

Scientific name: Iniistius pentadactylus (Linnaeus, 1758)
Fivefinger Razorfish Iniistius pentadactylus

General information

The Fivefinger Wrasse, scientifically known as Iniistius pentadactylus, is a distinctive and somewhat rare species in the aquarium trade. This wrasse is known for its unique appearance, characterized by a tall dorsal fin and a pattern of vertical bars on its body. The species is not commonly found in home aquariums, but it can be a fascinating addition for experienced hobbyists looking for a unique and challenging species to care for.

Details

Recommended minimum tank volume
300 liter (79 gallons)
Salinity
S.G. 1.022 to 1.025
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
45 cm (1′6″)
Care level
Moderate to easy
Diet
Carnivore
Social
Solo
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No
Conservation statusSource: IUCN Red List
ExtinctThreatenedLeastConcern

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Wrasses
    Labridae
  6. Genus
    Razorfish
    Iniistius
  7. Species
    Fivefinger wrasse
    Iniistius pentadactylus (Linnaeus, 1758)
  8. Synonyms
    Coryphaena pentadactyla Linnaeus, 1758
    Coryphaena quinquemaculata Shaw, 1803
    Hemipteronotus pentadactylus (Linnaeus, 1758)
    Novacula sexmaculata Valenciennes, 1840
    Novocula sexmaculata Valenciennes, 1840
    Xirichthys cyanirostris Guérin-Méneville, 1829
    Xirichtys cyanirostris Guérin-Méneville, 1829
    Xyrichthys virens Valenciennes, 1840
    Xyrichtys pentadactylos (Linnaeus, 1758)
    Xyrichtys pentadactylus (Linnaeus, 1758)
    Xyrichtys virens Valenciennes, 1840

Care

Caring for a Fivefinger Wrasse requires a spacious tank with plenty of swimming room and hiding places. They are active swimmers and need a well-established aquarium with a sandy substrate to mimic their natural habitat. They are generally peaceful but can be territorial with other wrasses. A varied diet of meaty foods, including frozen mysis shrimp and vitamin-enriched brine shrimp, will help maintain their health and vibrant colors.

Reproduction

In the wild, Iniistius pentadactylus has a complex reproductive behavior that includes elaborate courtship displays. In the aquarium, breeding Fivefinger Wrasses is quite challenging and rarely achieved. They are oviparous, with distinct pairing during breeding.

Habitat

Fivefinger Wrasses are found in the Indo-Pacific region, from the Red Sea and East Africa to the central Pacific. They inhabit coral reefs and lagoons, often seen swimming in open water above the reef or foraging in sandy areas. They are typically found at depths ranging from shallow waters to about 30 meters.

Geographical distribution includes areas such as the Red Sea, East Africa, the Maldives, Indonesia, Japan, and the Great Barrier Reef.