How to Identify Silvertip Tetra

To identify Silvertip Tetra (Hasemania nana), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

The body is typically a coppery-brown to golden-yellow, often with an iridescent sheen. A distinct dark lateral line runs from behind the operculum to the caudal peduncle, ending in a prominent black spot. The most distinguishing feature is the white or silver tips on the lobes of the caudal fin. Males are generally more intensely colored and slender than females, especially during breeding.

Scale type

cycloid

Mouth position

terminal

Distinctive features

White/silver tips on caudal fin lobes, Dark lateral line ending in a caudal spot, Iridescent coppery-golden body coloration

Dorsal fin

Single, relatively small dorsal fin, typically clear or slightly colored.

Tail fin

Forked caudal fin with characteristic white or silver tips on both lobes.

Pectoral fin

Paired pectoral fins, generally clear.

Distinctive fins

Adipose fin present, typical of characins. Anal fin is relatively long, extending from behind the vent to the caudal peduncle.

Identification Tips

1. 1

   Caudal Fin Tips

   Look for the prominent white or silver tips on the upper and lower lobes of the caudal (tail) fin. This is the most reliable distinguishing feature.

2. 2

   Lateral Line and Caudal Spot

   Observe the dark, often faint, lateral line that extends to a distinct black spot at the base of the caudal fin.

3. 3

   Body Coloration

   Note the coppery-brown to golden-yellow body color, which can vary in intensity depending on mood, health, and lighting.

4. 4

   Absence of Adipose Fin

   Unlike many other tetras, Hasemania nana lacks an adipose fin. This is a key taxonomic feature for the genus Hasemania.

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