Blackline penguinfish

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Penguin Tetra
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Characiformes Family: Characidae Subfamily: Characinae Genus: Thayeria Species: T. boehlkei
Binomial name
Thayeria boehlkei

The blackline penguinfish (also known as the penguin tetra) is a popular aquarium fish. This fish is a South American species of tetra.

[edit] General information

• Family: Characidae (Characins)
• Subfamily: Incertae sedis
• Order: Characiformes (characins)
• Class: Actinopterygii (ray-finned fishes)
• Max. size: 3.2 cm SL (male/unsexed; Ref. 38376)
• Environment: pelagic; freshwater; pH range: 6.0 – 8.0; dH range: 5 - 19
• Climate: tropical; 22 – 28°C
• Importance: aquarium: commercial
• Resilience: High, minimum population doubling time less than 15 months(Preliminary K or Fecundity.)
• Red List Status: Not in IUCN Red List
• Danger: harmless

[edit] Distribution

South America: upper Amazon River basin in Peru and Araguaia River in Brazil.

[edit] Biology

Feeds on worms, small insects and crustaceans. In the tank, female lays a large number of eggs, which hatch in about 20 to 24 hours. Maximum length reported to reach 6 cm. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm.

[edit] Links

• http://filaman.ifm-geomar.de/images/thumbnails/jpg/tn_Thboe_u0.jpg

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