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Hemichromis bimaculatus, commonly known as the Jewel Cichlid, is a vibrantly colored freshwater fish belonging to the family Cichlidae. It is renowned for its striking red coloration, often adorned with iridescent blue or green spots, particularly during breeding periods. This species exhibits strong territorial behavior, especially when spawning, and is known for its diligent parental care. It is a popular aquarium fish due to its beauty and interesting behaviors, though its aggressive nature requires careful tank mate selection.
Caratteristiche fisiche
- Forma del corpo
- compressed
- Colorazione
- Base color ranges from olive-brown to brilliant red, especially during breeding. Body is typically covered with iridescent blue or green spots. Two prominent black spots are usually present on each flank: one centrally located on the side and another at the base of the caudal fin. Fins are often edged with red or blue.
- Tipo di squame
- ctenoid
- Posizione della bocca
- terminal
- Caratteristiche distintive
- Vibrant red body coloration, particularly intense during spawning., Iridescent blue or green spots covering the body and fins., Two distinct black spots on the flanks (though the posterior spot can be faint or absent in some individuals or populations)., Large eyes relative to head size.
- Pinna dorsale
- Long, extending almost the entire length of the back, with 14-16 spines and 10-12 soft rays. Often edged with red or blue.
- Pinna caudale
- Rounded to slightly emarginate, often with iridescent spots and a red or blue margin.
- Pinna pettorale
- Fan-shaped, transparent to slightly colored.
- Pinne distintive
- Pelvic fins are pointed and often have a reddish hue. Anal fin has 3 spines and 8-9 soft rays, similar in coloration to the dorsal fin.
Consigli per l'identificazione
Coloration
Look for the intense red body color, especially when stressed or breeding. The iridescent blue/green spots are also a key identifier.
Black Spots
The presence of two distinct black spots on the flanks (one central, one caudal peduncle) is characteristic, though the caudal spot can be variable.
Body Shape
Its moderately compressed, oval body shape is typical of many cichlids.
Fin Edges
Observe the red or blue edging on the dorsal, caudal, and anal fins.
Habitat
- Tipo di acqua
- freshwater
- Profondità
- Typically found in shallow waters, often near the banks of rivers and streams, or in lakes and lagoons.
- Ambiente
- Prefers areas with dense vegetation, submerged roots, rocks, and leaf litter, providing ample cover and spawning sites. Can tolerate a range of water conditions but thrives in well-oxygenated, clear water.
- Areale geografico
- Native to West Africa, specifically found in rivers and streams of Liberia, Sierra Leone, Guinea, and Ghana. Its range extends from the coastal drainages of Sierra Leone to the lower reaches of the Volta River basin.
Informazioni sull'acquario
- Livello di cura: intermediate
- Temperamento: aggressive
- Dieta: omnivore
- Dimensione minima della vasca: 75 gallons (280 liters) for a pair
- Temperatura: 22-26°C (72-79°F)
- Livello di pH: 6.5-7.5
- Durezza: 5-15 dGH
- Compatibilità: Best kept in a species-specific tank or with robust, similarly sized, and equally aggressive cichlids. Avoid small, peaceful, or long-finned fish. Can be kept in a pair if the tank is large enough and provides ample hiding spots.
- Requisiti speciali: Requires a well-decorated tank with plenty of hiding places (caves, driftwood, rocks) to establish territories and reduce aggression. Substrate should be sand or fine gravel. Good filtration and regular water changes are essential. Provide flat rocks or slate for spawning sites.
Informazioni in natura
- Stato di conservazione: least concern
- Stagionalità: Breeds year-round in suitable conditions, with increased activity during rainy seasons in their natural habitat.
- Prezzo di mercato: Varies, typically low to moderate for common strains
- Importanza commerciale: medium
- Sapore: Not typically consumed due to small size and bony nature.
- Consistenza: Not typically consumed.
- Valore nutrizionale: Not typically consumed.
Fatti chiave
Parental Carebehavior
Jewel Cichlids are excellent parents, with both male and female actively guarding their eggs and fry, often moving them to different locations for safety.
Color Intensityinteresting
The vibrant red coloration of the Jewel Cichlid intensifies dramatically during breeding periods, serving as a visual signal to potential mates and rivals.
Territorialitybehavior
Despite their relatively small size, Jewel Cichlids are highly territorial and can be very aggressive, especially towards conspecifics and other fish that invade their perceived space.
Species Complexevolution
The genus Hemichromis is a complex group, and H. bimaculatus itself has been subject to taxonomic revision, with several species previously identified as H. bimaculatus now recognized as distinct species (e.g., H. lifalili, H. guttatus).
Informazioni di sicurezza
Maneggiare con cura- Livello di sicurezza: caution
- Velenoso: No
- Commestibilità: not recommended
- Note sul maneggio: While not venomous, Jewel Cichlids can deliver a painful bite if handled, especially during breeding. Their aggressive nature means they can inflict damage on other fish in an aquarium. Use a net for handling and avoid direct contact with hands.
Specie simili
Red Jewel Cichlid
Hemichromis lifalili
H. lifalili typically has a more uniformly red body with fewer, larger iridescent spots, and often lacks the distinct second black spot on the caudal peduncle that H. bimaculatus usually possesses. The body shape can also be slightly more elongated in H. lifalili.
Five-spot Jewel Cichlid
Hemichromis guttatus
H. guttatus generally has a more elongated body and often displays more than two black spots along its flanks, though this can be variable. Its coloration can also be less intensely red than H. bimaculatus.
Banded Jewel Cichlid
Hemichromis fasciatus
H. fasciatus is a much larger and more predatory species, characterized by 5-6 prominent vertical black bars on its body, which are absent in H. bimaculatus. Its overall body shape is also more robust and elongated.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Cichliformes
- Famiglia
- Cichlidae
- Genere
- Hemichromis
- Specie
- bimaculatus
Esplora Jewel Cichlid
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