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Come identificare Glowlight Tetra

Hasemania nana

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Per identificare Glowlight Tetra (Hasemania nana), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo
elongated
Colorazione
Coppery-orange to reddish-brown body with a distinct iridescent horizontal stripe (gold to orange-red) running from the gill cover to the caudal peduncle. Fins are typically translucent, sometimes with a reddish tint, especially in males. A small, dark spot may be present at the base of the caudal fin.
Tipo di squame
cycloid
Posizione della bocca
terminal
Caratteristiche distintive
Absence of an adipose fin (a key characteristic differentiating it from many other tetras)., Prominent iridescent horizontal stripe., Males are generally more vibrant in color and slender than females.
Pinna dorsale
Single, relatively small, typically translucent with a reddish tint in males.
Pinna caudale
Forked, translucent, sometimes with a faint reddish hue.
Pinna pettorale
Small, clear, and fan-shaped.
Pinne distintive
Pelvic fins are small and clear. Anal fin is relatively long, extending from behind the pelvic fins to the caudal peduncle.

Consigli per l'identificazione

  1. 1

    Adipose Fin Absence

    The most reliable distinguishing feature is the complete lack of an adipose fin, which is present in most other tetra species. This can be observed by carefully examining the area between the dorsal and caudal fins.

  2. 2

    Iridescent Stripe

    The prominent, glowing, coppery-orange to reddish-gold horizontal stripe running along the lateral line is highly characteristic. The intensity of this stripe can vary with mood and lighting.

  3. 3

    Body Coloration

    The overall coppery-orange to reddish-brown body color, especially in mature males, is a good indicator. This coloration is often more subdued in females and stressed individuals.

  4. 4

    Size

    Adults typically reach a maximum standard length of 4-5 cm (1.6-2.0 inches), making them one of the smaller tetra species.

Esplora Glowlight Tetra

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