So bestimmen Sie Rubinzalm

Um Rubinzalm (Axelrodia riesei) zu bestimmen, achten Sie auf diese Schlüsselmerkmale.

Körperliche Merkmale

Körperform

compressed

Färbung

The body is predominantly a vibrant ruby-red to deep red, often with iridescent scales that shimmer under light. The intensity of the red coloration can vary depending on diet, water parameters, and stress levels. Fins are typically translucent, sometimes with a reddish tint. Some individuals may exhibit a faint dark lateral line, though this is often obscured by the intense red pigmentation.

Schuppentyp

cycloid

Maulstellung

terminal

Besondere Merkmale

Small size, typically reaching a maximum standard length of 2.5-3.0 cm (1.0-1.2 inches)., Intense ruby-red body coloration., Presence of a small adipose fin, characteristic of characins., Relatively deep body for its length compared to some other small tetras.

Rückenflosse

Single, relatively short dorsal fin, typically with 2 unbranched and 8-9 branched rays.

Schwanzflosse

Forked caudal fin, symmetrical lobes.

Brustflosse

Small, clear pectoral fins.

Auffällige Flossen

Small adipose fin present between the dorsal and caudal fins.

Bestimmungstipps

1. 1

   Size and Coloration

   Its small size (under 3 cm) combined with its intense ruby-red body is a primary identifier. Few other small characins exhibit such a uniform and vivid red hue.

2. 2

   Adipose Fin

   The presence of a small adipose fin confirms its classification within the Characidae family, distinguishing it from some other small, red-colored fish that lack this feature.

3. 3

   Body Shape

   Its somewhat compressed and relatively deep body, compared to more slender tetras, can aid in identification.

4. 4

   Behavior

   Observing its schooling behavior and peaceful nature in an appropriate habitat can also be indicative.

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