How to Identify Bleeding Heart Tetra

To identify Bleeding Heart Tetra (Hyphessobrycon erythrostigma), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

The body is generally silvery-pink to light brown, often with an iridescent sheen. The most distinctive feature is a prominent, intense red to orange-red spot located on the upper flank, just behind the operculum. The dorsal fin is typically tall and black with a white tip, especially in males. The anal fin is reddish, and the caudal fin is often translucent with reddish hues. Males tend to be more intensely colored and have a more elongated dorsal fin.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Prominent red/orange-red spot on the flank, Tall, black dorsal fin with a white tip (especially males), Compressed body shape, Iridescent body sheen

Dorsal fin

Tall, triangular, typically black with a white tip, more elongated in males.

Tail fin

Forked, translucent with reddish tints.

Pectoral fin

Small, clear.

Distinctive fins

Adipose fin present, typical of characins.

Identification Tips

1. 1

   Red Spot

   The most definitive feature is the intense red to orange-red spot on the side of the body, just behind the gill cover. The intensity can vary with mood and health.

2. 2

   Dorsal Fin

   Look for the tall, black dorsal fin with a distinct white tip, especially noticeable in mature males.

3. 3

   Body Shape and Color

   Its compressed, somewhat deep body and silvery-pink to light brown base coloration with an iridescent sheen are also key identifiers.

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