Hongslo’s dwarf cichlid: Bright colors from the Orinoco waters The Hongslo’s dwarf cichlid lives in warm, clear waters of the Orinoco Basin, where males can show especially vivid colors. Read more
Orestes mouhotii: Differences Between Males and Females Female Orestes mouhotii are larger and stockier, while males are slimmer and have distinctive horn-like projections on their heads. Read more
Siamese fighting fish: colours, rivalry and remarkable adaptations The spectacular colours and fin shapes of domestic Siamese fighting fish are the result of generations of selective breeding. Read more