How to Identify GloFish Tetra

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

Physical Characteristics

Body shape

compressed

Coloration

Artificially vibrant fluorescent colors including red, orange, green, blue, purple, and pink, depending on the specific genetic modification. 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 bars when young, fading with age.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Genetically engineered to express fluorescent proteins, Vibrant, unnatural coloration, Fluoresces under blue/UV light

Dorsal fin

Small, triangular, located mid-body.

Tail fin

Forked, moderately sized.

Pectoral fin

Small, clear, located just behind the operculum.

Distinctive fins

Large, flowing anal fin extending from behind the pelvic fins to the caudal peduncle.

Identification Tips

1. 1

   Coloration

   The most obvious identifier is the intense, uniform fluorescent color (e.g., electric green, fiery red, cosmic blue) which is not found in any naturally occurring fish species.

2. 2

   Fluorescence

   Under blue or UV light, the fish will glow intensely, a characteristic absent in non-transgenic fish.

3. 3

   Body Shape

   Possesses the characteristic deep, laterally compressed body and large anal fin of the Black Skirt Tetra.

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