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The Neon Tetra (Paracheirodon innesi) is a small, freshwater fish belonging to the Characidae family, native to the blackwater and clearwater streams of the Amazon basin. It is renowned for its striking iridescent blue and red lateral stripe, which makes it a highly popular aquarium species. This species exhibits a fusiform body shape, typical of many characins, adapted for swift movement in flowing waters. Its vibrant coloration is not due to pigments but rather to structural colors produced by guanine crystals within specialized cells (iridophores) that reflect light, allowing the fish to appear to 'glow' in certain lighting conditions. The intensity of its coloration can vary with mood, health, and lighting.
Fysiske karakteristika
- Kropsform
- torpedo
- Farvetegning
- A prominent iridescent blue stripe extends from the snout to the adipose fin, overlying a bright red stripe that runs from the middle of the body to the caudal peduncle. The ventral side is silvery-white. The dorsal surface is olive-green to brownish. Fins are generally translucent.
- Skæltype
- cycloid
- Mundens placering
- terminal
- Kendetegn
- Iridescent blue lateral stripe, Bright red lateral stripe below the blue stripe, Small size (up to 4 cm), Adipose fin present
- Rygfinne
- Single, relatively small, located mid-body.
- Halefinne
- Forked (homocercal), transparent.
- Brystfinne
- Small, transparent, positioned ventrally.
- Karakteristiske finner
- Presence of a small, fleshy adipose fin between the dorsal and caudal fins, characteristic of characins.
Identifikationstips
Size
Adults typically reach a maximum standard length of 3.5-4 cm (1.4-1.6 inches).
Coloration Pattern
The combination of a full-length iridescent blue stripe above a prominent red stripe extending to the caudal peduncle is unique to Paracheirodon innesi. The red stripe on the Cardinal Tetra (P. axelrodi) extends the entire length of the body, while on the Green Neon Tetra (P. simulans), the blue stripe is more dominant and the red stripe is much shorter or absent.
Body Shape
Slender, torpedo-shaped body, typical of fast-swimming characins.
Habitat
- Vandtype
- freshwater
- Dybde
- Typically found in shallow, slow-moving waters, often near the surface or mid-water column, among submerged vegetation and leaf litter.
- Miljø
- Blackwater and clearwater tributaries, streams, and floodplains of the Amazon River basin. These environments are characterized by soft, acidic water, often stained with tannins from decaying organic matter, and dense riparian vegetation providing shade and cover.
- Geografisk udbredelse
- Native to the western and northern Amazon basin, specifically in the Solimões River (upper Amazon) and its tributaries, and the Putumayo River in Peru, Colombia, and Brazil.
Akvarieoplysninger
- Plejeniveau: beginner
- Temperament: peaceful
- Kost: omnivore
- Minimum akvariestørrelse: 38 liters (10 gallons) for a small school
- Temperatur: 20-26 °C (68-79 °F)
- pH-niveau: 5.5-7.0
- Hårdhed: 1-10 dGH
- Kompatibilitet: Excellent for community tanks with other small, peaceful fish such as other tetras, rasboras, dwarf gouramis, and corydoras. Avoid housing with large or aggressive species that may prey on them.
- Særlige krav: Requires a well-planted aquarium with subdued lighting and dark substrate to bring out their colors and provide security. They are schooling fish and should be kept in groups of at least 6-10 individuals to reduce stress and encourage natural behavior. Good water quality is paramount, as they are sensitive to fluctuations in water parameters and nitrates.
Information om vilde bestande
- Bevaringsstatus: least concern
- Sæson: No specific seasonal behavior patterns for reproduction or migration are well-documented in the wild that would impact their availability, as they are continuously present in their native habitats.
- Markedspris: Low (per individual, but high volume in trade)
- Kommerciel betydning: high
- Smag: Not typically consumed due to small size.
- Konsistens: Not typically consumed due0 to small size.
- Næringsværdi: Negligible for human consumption due to small size.
Nøglefakta
Structural Colorationinteresting
The vibrant blue and red colors of the Neon Tetra are not due to pigments but to structural coloration, where guanine crystals in specialized cells reflect and refract light, creating an iridescent effect. This allows their color to appear to 'turn off' in the dark or when stressed.
Schooling Behaviorbehavior
Neon Tetras are obligate schooling fish, meaning they rely on the safety in numbers for survival. In the wild, large schools confuse predators, and in aquariums, schooling reduces stress and enhances their natural beauty.
Blackwater Adaptationbehavior
Their natural habitat in blackwater rivers is characterized by very soft, acidic water with low mineral content and high tannin levels. This environment is crucial for their health and breeding success, and replicating it in an aquarium is beneficial.
Aquarium Stapleinteresting
Despite being discovered relatively late (1934), the Neon Tetra quickly became one of the most popular and widely recognized aquarium fish globally, largely due to its striking appearance and peaceful nature.
Sikkerhedsoplysninger
Sikker- Sikkerhedsniveau: safe
- Giftig: Nej
- Spiselighed: not recommended
- Håndteringsnoter: No specific handling precautions are required beyond general care for small, delicate fish. Avoid sudden movements or loud noises when near the aquarium, as they can be easily startled. Do not handle with bare hands if possible, use a fine-mesh net.
Lignende arter
Cardinal Tetra
Paracheirodon axelrodi
The red stripe on the Cardinal Tetra extends the entire length of its body, from the snout to the caudal peduncle, whereas on the Neon Tetra, the red stripe begins mid-body.
Green Neon Tetra
Paracheirodon simulans
The Green Neon Tetra has a more pronounced iridescent blue-green stripe and a much shorter or almost absent red stripe, which, if present, is confined to the caudal peduncle area. It is also generally smaller and more slender than the Neon Tetra.
Videnskabelig klassifikation
- Rige
- Animalia
- Række
- Chordata
- Klasse
- Actinopterygii
- Orden
- Characiformes
- Familie
- Characidae
- Slægt
- Paracheirodon
- Art
- innesi
Udforsk Neon Tetra
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