Common name: Papuan scorpionfish

Scientific name: Scorpaenopsis papuensis (Cuvier, 1829)
Scorpaenopsis papuensis (Papuan scorpionfish) resting on tropical reef of Bali, IndonesiaPapuan Scorpionfish (Scorpaenopsis papuensis) hiding in corals
Papua Scorpionfish Scorpaenopsis papuensisA juvenile Papuan Scorpionfish (Scorpaenopsis papuensis)

General information

The Papuan Scorpionfish, Scorpaenopsis papuensis, is a master of disguise, known for its remarkable ability to blend into its surroundings. This species is part of the Scorpaenidae family, which includes some of the most venomous fish in the world. The Papuan Scorpionfish is not as toxic as its relatives, but it does possess venomous spines that can inflict painful wounds.

Hobbyists appreciate this species for its unique appearance and behavior. It has a stocky body, a broad head, and a variably colored pattern that helps it camouflage against the reef. When threatened, it can display vibrant warning colors to deter predators.

Details

Recommended minimum tank volume
200 liter (53 gallons)
Salinity
S.G. 1.020 to 1.025
Temperature
24 to 28 °C (75 to 82 °F)
Acidity
pH 8.1 to 8.4
Average size
35 cm (1′2″)
Care level
Moderate to easy Needs hiding spots
Diet
Carnivore Enjoys meaty foods
Social
Solo Territorial, best kept alone
Reefsafe
Yes
Aggression
Semi aggresive May nip at slow fish
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
    Scorpionfishes
    Scorpaeniformes
  5. Family
    Scorpionfishes
    Scorpaenidae
  6. Genus
    Scorpionfish
    Scorpaenopsis
  7. Species
    Papuan scorpionfish
    Scorpaenopsis papuensis (Cuvier, 1829)
  8. Synonyms
    Scorpaena papuensis Cuvier, 1829

Care

Caring for the Papuan Scorpionfish requires an aquarium with plenty of live rock and hiding places to mimic its natural habitat. It is a sedentary fish that prefers to lie in wait for its prey, so ample space is necessary for it to establish a territory. The tank should be equipped with a tight-fitting lid, as this species is known to be an adept jumper.

Feeding the Papuan Scorpionfish can be challenging, as it typically preys on live fish and crustaceans. In captivity, it may be trained to accept frozen or prepared foods, but this transition should be done gradually and with patience.

Reproduction

Little is known about the reproductive habits of the Papuan Scorpionfish in the wild or in captivity. They are presumed to be egg-layers, with external fertilization. Breeding in home aquariums is rare and not well-documented.

Habitat

The Papuan Scorpionfish is found in the Indo-Pacific region, from the Red Sea and East Africa to the central Pacific. It inhabits coral reefs, often hiding among rocks and corals in shallow waters. This species is adept at adapting to various microhabitats within the reef, which provides it with ample opportunities for ambush predation.