Common name: Blackflag sandperch

Scientific name: Parapercis signata Randall, 1984

General information

The Spotted Grubfish, scientifically known as Parapercis signata, is a captivating species for marine aquarium enthusiasts. This fish is part of the Pinguipedidae family, known for their elongated bodies and habit of resting on the substrate. The Spotted Grubfish is distinguished by its striking coloration, featuring a series of dark spots and blotches against a lighter background, which can vary from tan to pinkish hues.

Details

Recommended minimum tank volume
75 liter (20 gallons)
Salinity
S.G. 1.020 to 1.025
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
15 cm (6″)
Care level
Moderate to easy Prefers sandy substrate
Diet
Carnivore Enjoys live and frozen foods
Social
Solo Territorial, best kept alone
Reefsafe
Yes
Aggression
Semi aggresive May be territorial
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
    Sandperches
    Pinguipedidae
  6. Genus
    Sandperches
    Parapercis
  7. Species
    Blackflag sandperch
    Parapercis signata Randall, 1984

Care

Parapercis signata is a hardy species that adapts well to life in captivity, provided their environment closely mimics their natural habitat. They require a sandy substrate for burrowing and a well-structured aquascape with plenty of hiding places. These fish are carnivorous, feeding on small invertebrates and crustaceans in the wild, so a diet of meaty foods like mysis shrimp, brine shrimp, and finely chopped seafood is essential for their well-being.

Reproduction

In the wild, Spotted Grubfish are known to spawn in pairs, releasing their eggs and sperm into the water column where fertilization occurs. The larvae are pelagic, drifting with the currents until they mature and settle to the bottom. Captive breeding of this species is not commonly reported, but maintaining a pair in a species-specific tank with stable conditions could potentially lead to successful spawning.

Habitat

The natural habitat of the Spotted Grubfish includes sandy and rubble substrates in coastal reefs and lagoons. They are often found in the Indo-Pacific region, from the Red Sea and East Africa to the western Pacific. These fish are benthic dwellers, spending much of their time near the ocean floor where they blend in with their surroundings to ambush prey and avoid predators.