Home
 What's New
 About
 Preface
 Introduction
 Fish Anatomy
 Water Chemistry
 The Aquarium
 Plant Care
 Plant Species
 Food
 Disease
 Biotope Aquaria
   Ecosystems
   Country Database
 Fish Species
   Catfish
   Characins
   Cichlids
   Cyprinds
   Killifish
   Labyrinth Fish
   Livebearers
   Loaches
   Others
   Perches
   Rainbowfish
 Non-fish Species
 Breeding Fish
 Aquarium Photos
 Languages
   Chinese
   Croatian
   Finnish
   German
   Japanese
   Portuguese
   Spanish
 Bibliography
 Links
 Resources
 Rainforests
 Books
 Mongabay Sites
   Kids site
   Travel Tips
 News
 Contact



dog videos, cat videos, puppy videos, kitten videos, pet videos
Characins / Characinae / Boehlk's Penguin Fish

Boehlk's Penguin Fish, False Penguin Fish
Thayeria boehlkei | Pictures

SYN: None
PD: An elongated fish with a base body color of brown to golden. The belly is white to silver. a broad black stripe extends from the gill cover down the tip of the lower flank of the tail. The other fins are transparent.
SIZE: To 3" (8 cm)
SS: Penguin Fish ( T. obliqua)
S: middle, top
HAB: South America; well-planted sections with slow-moving water in the Rio Araguaia (Brazil) and the Peruvian Amazon
TANK: 24" (60 cm) or 15 gallons (55 L). The tank should be well-planted and have a cover of floating plants to diffuse the lighting. Leave open swimming areas.
WATER: pH 5.8-7.5 (6.5), 4-20 dH (8), 72-82°F (22-28°C)
SB: A peaceful, schooling fish recommended for a community tank. Keep this fish in groups.
SC: Tetras, Hatchetfish, Corydoras, Apistogramma, Discus, Loricarids, gouramis
FOOD: Flakes; live; insect larvae, Brine Shrimp, Tubifex
SEX: The females are plumper.
B: Use a breeding tank that contains bushy plants. The spawning takes place at night. As many as 1000 eggs are laid at a time, which hatch in 20-24 hours. Remove parents after eggs are laid. The fry can be fed small live foods.
BP: 6. Breeding Boehlk's Penguin Fish is not difficult.
R: This fish is often sold as the Penguin Fish, a name which actually belong to Thayeria obliqua. This fish swims in an oblique position with its head toward the surface of the water. Boehlk's Penguin Fish is sensitive to toxic compounds, especially nitrate. Perform frequent partial water changes to keep this fish in top condition.
DC: 4. A fairly hardy fish recommended for a community tank.

Recent articles about fish

Overfishing may hurt Amazon forest trees
(2/5/2008) Overfishing is reducing the effectiveness of seed dispersal by fish in the Brazilian Pantanal, reports Nature. The research suggests that fishing practices can affect forest health.

Scientists find fish that literally lives in trees
(10/17/2007) Scientists have found a fish that literally lives in trees, according to research published in The American Naturalist and highlighted in New Scientist Magazine.



Piranhas originated when Amazon was flooded by seawater
(12/4/2007) South America's piranha family of fish -- notorious as eaters of flesh -- can be traced back to a single ancestor which dispersed when the Amazon was flooded by seawater some five million years ago, report researchers from the Institut de Recherche Pour le Developpement (IRD). Today piranhas are exclusively freshwater fish found from the Orinoco River basin in Venezuela to the Parana in Argentina.





what's new | tropical fish home | rainforests | news | search | about | contact



Copyright Rhett Butler 1994-2009

The copy for fish.mongabay.com was written in 1994-1995. Therefore some information such as scientific names may be out of date. For this, I apologize. Feel free to send corrections to me.