Hyphessobrycon sweglesi

Hyphessobrycon sweglesi is a species of tetra that lives in the Orinoco River drainage basin in South America.[1] The species' scientific name used to be Megalamphodus sweglisi and the species' common name is red phantom tetra.[2] It grows up to 4 cm (1.5 in).[3]

Red phantom tetra
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Characidae
Genus: Hyphessobrycon
Species:
H. sweglesi
Binomial name
Hyphessobrycon sweglesi
(Géry, 1961)

Appearance

The fish has a round black spot behind the gill-plate, a black band on the dorsal fin that is bordered above and below by creamy-white. The other fins are red same as the upper rim of the eye.[4] The species' appearance is very similar to Hyphessobrycon megalopterus (black phantom tetra).

In the aquarium

Water Conditions

Aquarists keep this fish in water ranging from 20°C to 23°C (68°F to 73°F) that is soft (50-100mg/L) and acidic (pH 6.5).[3] The H. sweglesi is reported to be very sensitive to water chemistry, which affects the fish's coloration.[3] Frequent water changes are advised for it to thrive and to induce it to breed.[3]

Diet

The fish eats worms, small insects, and crustaceans.[1] In captivity, aquarists feed it prepared foods and small live foods.[3]

Breeding

The species can lay up to 400 eggs that can hatch in a day. The eggs are susceptible to fungus.

Aquarists put dark substrate in the spawning tank to protect the eggs from light.[3]

References
  1. "Hyphessobrycon sweglesi (Géry, 1961) Red phantom tetra". FishBase. Retrieved 2009-11-05.
  2. "Red Phantom Tetra Information". Tropical Fish Aquariums. Archived from the original on 2012-10-14. Retrieved 2009-11-05.
  3. Alderton, David (2019). Encyclopedia of Aquarium and Pond Fish. United Kingdom: Dorling Kindersley Limited. p. 96. ISBN 978-0-2413-6424-6.
  4. McInerny, Derek; Geoffry Gerard (1989). All About Tropical Fish (4th ed.). Great Britain: Harrap Limited. pp. 248. ISBN 0-8160-2168-6.


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