Blue tiger Guppy 

by Bob Halstead (Author)About the Author: Inspired by the adventures of Hans and Lotte Hass, Bob Halstead learned to dive in 1968. He emigrated to Australia in 1973 and was employed as an Education Officer in the then Territory of Papua and New Guinea teaching Science and Mathematics. By luck he was posted to Milne Bay, one of the best diving areas in the world. With his wife Dina, he gave up school teaching in 1977 and formed PNG's first full time sport diving business. Bob and Dinah set out to...

By Anthony Calfo (Author) and Robert Fenner (Author)At 400 pages, this first volume of the Natural Marine Aquarium series takes a comprehensive look at the wide range of wondrous organisms both large and small for modern marine aquaria. Topics include extensive refugium and natural filtration methodologies, dynamic living vegetable and animal filters, and... of course, gorgeous photo galleries and information on husbandry for all the magnificent reef invertebrates suitable for study and display ...

By Glenn L Hoffman (Author) Parasites of North American Freshwater Fishes serves as an essential reference for understanding the complex relationships between fish and their parasitic counterparts in freshwater ecosystems. Highlighting the economic, ecological, and recreational significance of fish populations, this work underscores the critical importance of studying fish parasites. Whether in natural aquatic systems or fish hatcheries, parasites can disrupt ecological balance, hinder fish grow...

one L236sw at 1.5-2", while supplies last.