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Blue Emperor Tetra

Sicuro

Inpaichthys kerri

Conosciuto anche come: Kerri Tetra, Royal Tetra

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Descrizione

Inpaichthys kerri, commonly known as the Blue Emperor Tetra or Kerri Tetra, is a small, characin fish native to South America. It is highly valued in the aquarium trade for its striking coloration and peaceful demeanor. Males exhibit a more intense blue coloration and possess an adipose fin, which is typically absent or greatly reduced in females. This species is known for its schooling behavior and preference for well-planted, dimly lit aquatic environments.

Caratteristiche fisiche

Forma del corpo
elongated
Colorazione
Males display a vibrant iridescent blue stripe running horizontally along the body, often with a purplish sheen, particularly under certain lighting. The dorsal fin is typically blue with a white tip, and the caudal fin can have reddish hues. Females are generally duller in coloration, often exhibiting a more brownish-blue stripe. Both sexes have a dark spot at the base of the caudal fin.
Tipo di squame
cycloid
Posizione della bocca
terminal
Caratteristiche distintive
Iridescent blue lateral stripe (more pronounced in males), Presence of an adipose fin in males, absent or vestigial in females, Dark caudal spot
Pinna dorsale
Single, relatively tall, often with a white tip in males.
Pinna caudale
Forked, with upper and lower lobes of similar size.
Pinna pettorale
Small and transparent.
Pinne distintive
Males possess a small, fleshy adipose fin between the dorsal and caudal fins, which is a key distinguishing feature from females and some other tetra species.

Consigli per l'identificazione

Adipose Fin

The presence of a small adipose fin (a fleshy, rayless fin between the dorsal and caudal fins) is characteristic of males. Females typically lack this fin or have a greatly reduced version.

Coloration

Males exhibit a much more intense and iridescent blue lateral stripe compared to the duller, often brownish-blue stripe of females. The white tip on the dorsal fin is also more prominent in males.

Body Shape

While generally elongated, males tend to be slightly more slender and streamlined than females, especially when mature.

Habitat

Tipo di acqua
freshwater
Profondità
Shallow to moderate depths, typically in the upper to mid-water column.
Ambiente
Found in slow-moving tributaries, streams, and flooded forest areas. Prefers clear to blackwater environments with dense vegetation, submerged roots, and leaf litter. The water is typically soft and acidic.
Areale geografico
Endemic to the upper Rio Aripuanã basin, a tributary of the Madeira River in the Amazonas state of Brazil.

Informazioni sull'acquario

  • Livello di cura: beginner
  • Temperamento: peaceful
  • Dieta: omnivore
  • Dimensione minima della vasca: 60 liters (15 gallons)
  • Temperatura: 22-28°C (72-82°F)
  • Livello di pH: 5.5-7.5
  • Durezza: 2-15 dGH
  • Compatibilità: Excellent for community aquariums with other peaceful, similarly sized fish such as other tetras, rasboras, dwarf cichlids, and corydoras catfish. Avoid housing with large or aggressive species.
  • Requisiti speciali: Requires a well-planted aquarium with plenty of hiding spots and open swimming areas. Prefers subdued lighting and a dark substrate to enhance its coloration. Best kept in schools of 6 or more individuals to reduce stress and encourage natural behavior.

Informazioni in natura

  • Stato di conservazione: least concern
  • Stagionalità: Not applicable for wild harvest; available year-round in the aquarium trade, primarily from aquaculture.
  • Prezzo di mercato: Low to moderate
  • Importanza commerciale: medium
  • Sapore: Not typically consumed
  • Consistenza: Not typically consumed
  • Valore nutrizionale: Not typically consumed

Fatti chiave

Discoveryinteresting

Inpaichthys kerri was first described in 1977 by Géry and Junk, making it a relatively recent discovery in the aquarium hobby.

Sexual Dimorphismbehavior

One of the most striking features of this species is the clear sexual dimorphism, with males possessing an adipose fin and more vibrant coloration, which is unusual for many tetra species.

Schooling Behaviorbehavior

Like many tetras, Inpaichthys kerri exhibits strong schooling behavior, which is crucial for their well-being and display of natural behaviors in an aquarium setting.

Habitat Preferenceinteresting

Their natural habitat in the Rio Aripuanã basin is characterized by soft, acidic water and dense vegetation, which should be replicated in captivity for optimal health.

Informazioni di sicurezza

Sicuro
  • Livello di sicurezza: safe
  • Velenoso: No
  • Commestibilità: not recommended
  • Note sul maneggio: No specific handling precautions are required beyond standard fish care. They are small and harmless.

Specie simili

Emperor Tetra

Nematobrycon palmeri

Nematobrycon palmeri has a more elongated body, a distinct trident-shaped caudal fin in males, and a prominent dark stripe that extends through the eye. Inpaichthys kerri has a less pronounced dark stripe and a standard forked caudal fin.

Black Neon Tetra

Hyphessobrycon herbertaxelrodi

The Black Neon Tetra has a distinct black lateral stripe bordered by an iridescent white or greenish stripe. Inpaichthys kerri has a predominantly blue iridescent stripe and lacks the prominent black stripe of the Black Neon Tetra.

Classificazione scientifica

Regno
Animalia
Phylum
Chordata
Classe
Actinopterygii
Ordine
Characiformes
Famiglia
Characidae
Genere
Inpaichthys
Specie
Inpaichthys kerri

Esplora Blue Emperor Tetra

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