How to Identify GloFish Tetra

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

Physical Characteristics

Body shape

compressed

Coloration

Artificially vibrant fluorescent colors including red (Starfire Red), green (Electric Green), orange (Sunburst Orange), blue (Cosmic Blue), purple (Galactic Purple), and pink (Moonrise Pink). The base body shape and fin structure are identical to the wild-type Black Skirt Tetra, which is typically silvery-grey with three distinct vertical black bands when young, fading with age.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Genetically engineered to express fluorescent proteins, causing them to glow under specific light spectra., High-bodied, laterally compressed body., Large anal fin extending from behind the pelvic fins 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 is often dark or colored in the wild type, but fluorescent in the GloFish variant.

Identification Tips

1. 1

   Coloration

   The most obvious identification feature is their intense, unnatural fluorescent coloration (red, green, orange, blue, purple, pink) which is absent in any naturally occurring fish species.

2. 2

   Body Shape

   They retain the characteristic high-bodied, laterally compressed shape of the Black Skirt Tetra, with a prominent, elongated anal fin.

3. 3

   Behavior

   Like their wild counterparts, they are schooling fish, typically found swimming in groups.

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