5     Letter From The Editor by Courtney Tobler
7     Letter From The Publisher by Stephan M. Tanner, Ph.D.
8     Aquatic Notebook
     • In Memoriam, Heiko Bleher 1944–2025 by Flávio Lima
     • A new species of Rineloricaria catfish by Friedrich Bitter
     • Two new bettas from Sumatra by Courtney Tobler

FEATURE ARTICLES
12     Beyond the Ordinary: Livebearers from extreme environments by Michi Tobler
26     Xiphophorus variatus: More than just a pretty platy by Rudolf Suttner
38     Fish Breeding: Maintaining Genetic Health by Diana Walstad
46     Dermogenys siamensis: A small halfbeak from Thailand by Anton Lamboj
50     Reportage: A spotted beauty: Caridina sp. ‘Dalmat’ by Sebastian Wolf
54     Reportage: Etia nguti: an endemic cichlid of southwestern Cameroon by Michel C.W. Keijman
60     Reportage: An electric blue jewel from Lake Malawi: Sciaenochromis fryeri by Wolfgang Staeck
64     Husbandry and breeding: The first successful breeding of Glossamia wichmanni by Dong Hoon Lee
72     Husbandry and breeding: Breeding the freshwater pipefish Enneacampus ansorgii by Roland Morte
80     Husbandry and breeding: The Blackworm Breeder Box Method: one hobbyist’s breakthrough in culturing Blackworms by Mandy Goan
84     Conservation guardians of the goodeids: an international coalition to urgently conserve and protect Mexico’s most threatened group of fishes by Michael Edmondstone, SHOAL

DEPARTMENTS
90     Events Calendar
92     LFS Locator: Outstanding aquarium shops
94     Species Snapshots
97     Advertiser Index
98     Underwater Eye

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