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. |
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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. |
