Colorful Fishes Hardcover Journal — Tesoro de la Juventud Vintage Marine Life Illustrations Aquarium & Ocean Species

El Tesoro de la Juventud (The Children's Treasury) was one of the most beloved Spanish-language encyclopedias of the early 20th century — a comprehensive illustrated reference published by Walter Jackson that introduced generations of young readers across Latin America and Spain to the wonders of the natural world. Its fish plates combined the educational clarity of a scientific reference with the vivid colour and artistic charm of the best popular natural history illustration of the era. The front cover presents the aquarium species plate: Betta splendens with its flowing fins and jewel-like colours, Angelfish, Moorish Idol, Goldfish, and Seahorse; the back presents the ocean fish plate: Mahi-mahi, Sailfish, Hammerhead Shark, Sturgeon, Ocean Sunfish, Lionfish, and Eagle Ray — together a portrait of ocean life from the surface to the deep.

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Product Details

• Format: Hardcover journal with matte laminated full-wrap cover
• Pages: 150 lined pages (75 sheets) with perforations for easy removal
• Binding: Casewrap sewn binding — flexible and lay-flat
• Dimensions: 5.75 × 8 inches
• Weight: 250 g (0.55 lbs)
• Cover: Matte laminated full-wrap print; small 0.5" × 0.5" production barcode on back

Perfect For

• Marine biologists, aquarium enthusiasts, and fish keepers
• Ocean lovers and coastal nature journalers
• Vintage educational illustration and natural history collectors
• Gift for anyone captivated by the colourful diversity and wonder of ocean and aquarium life
• Students and researchers of ichthyology and marine biology
• Writers and creatives inspired by the beauty and mystery of the underwater world