Fu Manchu Lionfish
Nemapterois biocellatus
A captivating dwarf lionfish featuring unique whisker-like barbels and distinct eyespots. This nocturnal ambush predator demands a specialized diet and careful handling due to its venomous spines.
Température de l’eau
22 - 28 °C
Valeur du pH
8.1 - 8.4
Type d'eau
Marin
Niveau dans le bac
Fond
Taille adulte
13 cm
Volume minimal du bac
>= 115 L
Groupe minimal
>= 1
KH
8 - 12 dKH
Description de l'espèce
Geographical Origin and Habitat: Tropical Indo-Pacific, from Mauritius to the Society Islands, north to southern Japan, and south to northern Australia. Inhabits coral reefs rich in debris and shaded overhangs.
Taxonomy and Morphology: Belongs to the family Scorpaenidae (synonym Nemapterois biocellatus). Reaches up to 13 cm. Distinguished by two long fleshy whisker-like barbels on the upper jaw and fan-like pectoral fins.
Social Behavior: Peaceful but highly secretive and nocturnal. Spends the day hanging upside down under rocky overhangs, emerging at dusk to ambush crustaceans.
Coloration and Sexual Dimorphism: Zebra-like pattern with brown, black, and orange vertical bands. Features two distinct dark ocelli (eyespots) ringed with yellow on the soft dorsal fin. Males are slightly larger with longer barbels.
Soins, reproduction et cohabitation
Aquarium Setup: Requires a tank of at least 115 liters (30 gallons). It is crucial to arrange rockwork to form overhangs, dark caves, and shaded areas to mimic its natural shelter.
Diet and Feeding: Demanding predator. Initially accepts only live foods (live ghost shrimp or river shrimp). Transitioning to frozen foods (mysis, krill) requires patience and the use of a feeding stick.
Water Quality: Sensitive to organic pollutants; requires good biological filtration. pH 8.1-8.4, specific gravity 1.020-1.026, temperature 22-28°C (72-82°F).
Compatibility and Cohabitation: Reef-safe with corals. Not compatible with small fish (like gobies) or small ornamental shrimp, which will be eaten. Avoid aggressive tankmates that steal food.
Aquarium Breeding: Reproduction is not documented in home aquariums. In nature, females release a floating gelatinous egg raft.
Risks and Diseases: Venom risk: the dorsal fin spines are highly venomous, causing severe pain. Use extreme caution during tank maintenance.
Origine et répartition géographiques
Tropical Indo-Pacific, from Mauritius to the Society Islands, north to southern Japan, and south to northern Australia. Inhabits coral reefs rich in debris and shaded overhangs.
Origine
Océans tropicaux et récifsAfrique et MadagascarAsie de l'EstAustralie, Nouvelle-Guinée et Océanie
Profil de poisson
- Tempérament
- Active
- They are generally peaceful and passive toward any fish that they cannot fit into their relatively large mouths. However, they are highly predatory and will ruthlessly stalk and consume any suitably sized fish or crustacean tankmate. They do not typically initiate unprovoked aggression toward larger tankmates, relying instead on their venomous dorsal spines for defense when threatened.
- Régime alimentaire
- Carnivore
- The Twinspot Lionfish is a strict carnivore that heavily favors live foods, particularly ghost shrimp, in its initial acclimation phase. Once established in the aquarium, they can typically be weaned onto a variety of frozen meaty offerings such as krill, silversides, chopped squid, and other fresh marine fish meat. Offering a varied diet is crucial to prevent nutritional deficiencies and ensure long-term health.
- Espérance de vie
- 5-10 years
- Taille adulte
- 13 cm
- Ratio des sexes
- Solitary
- It is generally best to keep them singly unless housing them in a very large aquarium where a single male can be kept with a harem of females. Two males will almost certainly exhibit fierce territorial aggression toward one another, potentially resulting in fatal injuries. Identifying sexes can be difficult, but mature males typically develop a slightly larger head and thicker body profile.
- Fréquence d'alimentation
- Weekly
- Unlike continuously grazing reef fish, this species should be fed substantial meals 2 to 3 times per week. Overfeeding is a common cause of premature death in captive lionfish, as it leads to fatty liver disease and digestive blockages. Observing their abdomen to ensure it returns to a normal size before the next feeding is a good practice.
- Charge biologique
- Medium
- Like all predatory lionfish, the Twinspot Lionfish produces a very heavy bioload due to its high-protein, meaty diet and inefficient digestion. They excrete substantial amounts of waste after large meals, which can quickly foul the water if the aquarium lacks a robust filtration system. Frequent water changes and oversized protein skimmers are highly recommended to maintain pristine water conditions for these fish.
- Courant
- Strong
- They typically prefer moderate to gentle water flow that allows them to swim effortlessly without being battered by strong currents. They often spend significant time perched on rocks or hovering near the substrate, so areas of lower flow should be available for resting. Excessive flow can cause stress and prevent them from successfully targeting their prey during feeding times.
- Risque de saut
- No
- Reproduction
- Oviparous
- Breeding this species in captivity is exceedingly rare and poorly documented, though they are known to be pelagic spawners in the wild. Males and females will rise in the water column to release buoyant egg masses enclosed in a gelatinous matrix. Rearing the resulting larvae presents an enormous challenge due to their microscopic size and specialized live food requirements.
- Compatibilité et compagnons
- Peaceful
- This species can be kept with larger, boisterous, and peaceful to semi-aggressive fish that are too large to be swallowed whole. Smaller tankmates, including ornamental shrimps and crabs, will undoubtedly be seen as food and quickly consumed. They should generally not be housed with aggressive fin-nipping species like puffers or triggerfish that may harass them.
- Niveau dans le bac
- Bottom
- The Twinspot Lionfish is primarily a bottom-dwelling and lower-to-middle water column resident. They are highly secretive by nature and often spend daylight hours hiding upside down in caves or under ledges. During twilight or feeding times, they become much more active and will confidently patrol the lower sections of the rockwork.
Modèles et paramètres scientifiques
FishBase
Fenêtre sur les données scientifiques officielles de l’espèce
FishBase v25.04Données synchronisées le : 15/06/2026
- Niveau trophique
- 3,7 ± 0,6 se
- Résilience
- Élevée (moins de 15 mois)
- Singularité phylogénétique (PD50)
- 1
- Relation bayésienne longueur-poids
- a = 0.01, b = 3.02
- VulnérabilitéVulnérabilité faible (10 / 100)
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