How to Identify GloFish Tetra

To identify GloFish Tetra (Gymnocorymbus ternetzi (variedad GloFish)), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Artificially vibrant and fluorescent, available in various colors including 'Starfire Red', 'Electric Green', 'Sunburst Orange', 'Cosmic Blue', 'Galactic Purple', and 'Moonrise Pink'. These colors are due to genetically engineered fluorescent proteins. The base body shape is similar to the wild-type Black Skirt Tetra, which is typically silvery-grey with three vertical black bands when young, fading with age.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Genetically engineered fluorescent coloration, Three vertical black bands (often obscured by fluorescent color, especially in younger specimens), Deep, compressed body, Large anal fin extending to the caudal peduncle

Dorsal fin

Small, triangular, located mid-body.

Tail fin

Forked, moderately sized.

Pectoral fin

Small, clear.

Distinctive fins

Large, sail-like anal fin that extends from behind the pelvic fins to the caudal peduncle.

Identification Tips

1. 1

   Coloration

   The most obvious identifier is the intense, unnatural fluorescent color (red, green, orange, blue, purple, pink) that glows under specific lighting conditions.

2. 2

   Body Shape

   Deep, compressed body with a prominent, elongated anal fin, characteristic of the Black Skirt Tetra.

3. 3

   Size

   Typically grows to about 5-7 cm (2-2.75 inches) in length.

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