「新手入門」專欄

First Year of Coral Keeping: A Record of Failure, Collapse, and Recovery Experience

Reflecting on a year since establishing a coral tank, this article explains from real experience the troubles beginners always encounter and the recovery process. Practical advice for overcoming three major obstacles: bleaching, collapse, and unstable water parameters.

Swordtail Complete Care & Breeding Guide | Color Variations, Tank Mates, Fry Raising

Complete guide to swordtail care. Learn how to choose from diverse color variations, set optimal water quality and temperature, select compatible tank mates, and raise fry. Perfect for beginners and intermediate hobbyists.

A Guide to Visiting Goldfish Exhibition Shows | Spectating Etiquette, Highlights, and National Event Information for First-time Visitors

A guide to enjoying goldfish exhibition shows as an audience member. Explains judging criteria, major national competitions, and spectating etiquette for first-time visitors.

Introduction to Goldfish Selective Breeding & Genetics | Genetic Patterns in Color, Body Shape & Fins and Basics of Breeding Plans

Beginner's Guide to Setting Up a Planted Tank | Growing Aquatic Plants Without CO2 on Low Light

How to set up a planted aquarium without specialized equipment. This guide focuses on low-light, low-cost methods to grow aquatic plants without CO2 supplementation, with an emphasis on hardy, substrate-binding plants that thrive alongside fish.

Complete Guide to Nitrogen Cycling in Goldfish Tanks: From Bacterial Colonization to Overcoming the Nitrite Crisis

A thorough explanation of the nitrogen cycling mechanism essential for stabilizing goldfish tanks. This guide explains ammonia, nitrite, and nitrate measurement and management, bacterial colonization methods, and how to survive the startup phase—written in an easy-to-understand way for beginners.

A Home Collecting, Breeding, and Care Guide for Japanese Rhinoceros Beetles | Collection Sites, Feeding, Egg-Laying Setups, and Larval Rearing Tips

A complete guide for beginners on collecting, caring for, and breeding Japanese rhinoceros beetles, Japan's iconic summer insect. Learn how to find collection sites, manage adults, set up egg-laying beds, and raise larvae from start to finish, with step-by-step instructions for each season.

Star Polyp (Cladiella) Husbandry and Breeding Guide | Feeding, Propagation, and Precautions for Fast-Growing Beginner-Friendly Corals

Comprehensive guide to Star Polyp (Cladiella spp.) husbandry. Practical introduction to light conditions, nutrition, feeding schedules, fragging, and allelopathy management for fast-growing, beginner-friendly soft corals.

Turbinaria (Cup Coral) Care Guide | Your First SPS Coral - Water Quality, Lighting & Placement

A comprehensive guide to raising Turbinaria (cup coral). Perfect for beginners, this guide covers essential water parameters, optimal PAR values and lighting spectra, water flow design, placement tips, feeding methods, and fragmentation procedures for easy-to-grow SPS corals.

Complete Guide to Indoor Goldfish Tank Setup | Tank Selection, Filters, and Water Cycling for Beginners

A complete guide for beginners setting up an indoor goldfish tank for the first time. This guide clearly explains tank size selection, comparison of top filters and canister filters, substrate selection, how to dechlorinate and adjust water quality, and the entire process from setup to completing the nitrogen cycle.