by Gerald Bassleer | Oct 13, 2026 | Uncategorized
A fish can flash against a rock for days while water tests look acceptable. A shrimp colony can begin dying after molts with no obvious external lesion. In these situations, a guide to aquatic microscopy is not an academic exercise. It is a practical method for moving...
by Gerald Bassleer | Oct 5, 2026 | Uncategorized
A betta with a swollen, protruding eye needs more than a quick dose of medication. Betta popeye recovery depends on whether the swelling began with an injury, poor water quality, a localized infection, or a more serious internal disease. The eye may look alarming, but...
by Gerald Bassleer | Oct 3, 2026 | Uncategorized
A fish that flashes against a rock, clamps its fins, and stops feeding has not given you a diagnosis. It has given you a reason to investigate. In fish health, parasites versus bacterial infections is not a simple choice between two symptom lists. Both can produce...
by Gerald Bassleer | Sep 27, 2026 | Uncategorized
A fish develops red streaks, a swollen eye, or an open ulcer, and the temptation is understandable: add an antibiotic immediately. But are antibiotics safe for fish? They can be, when the diagnosis is credible, the product is appropriate, and the treatment is managed...
by Gerald Bassleer | Sep 19, 2026 | Uncategorized
A fish with a swollen belly creates immediate concern, but dropsy vs constipation in fish is not a minor distinction. Constipation may improve once feeding and environmental conditions are corrected. Dropsy, however, is a visible sign of serious internal disease or...
by Gerald Bassleer | Sep 18, 2026 | Uncategorized
A tang that stops grazing, a clownfish breathing hard, or a wrasse with a few pale spots can create pressure to treat immediately. A marine aquarium diagnosis handbook is designed to slow that reaction down just enough to make it useful: observe the fish, assess the...
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