Marine Fish Buying Guide

Marine fish are considered more challenging than freshwater fish, but with the right species selection, beginners can enjoy them too. This guide covers what you need to know before purchasing marine fish.

💰價格範圍

Clownfish $15-$30, Firefish $10-$20, Angelfish $30-$200

查看詳細價格數據 →

購買技巧

Cycle your tank first

Don't add fish until bacteria are established — wait at least 2-4 weeks.

Check compatibility

Some species are territorial. Research compatibility before mixing.

A hydrometer is essential

Check saltwater salinity (specific gravity 1.023-1.025) daily.

Prevent disease

Consider a UV sterilizer and quarantine tank for ich prevention.

實用工具

💧 Aquarium Volume Calculator

Calculate water volume, weight, and heater wattage from tank dimensions

🧪 Water Quality Checker

Find compatible fish, shrimp, plants & corals based on pH, temperature & hardness

🍽️ Feeding Guide

Check feeding frequency, portion sizes & supplements by species and growth stage

🤝 Compatibility Checker

Check compatibility between two species on a 5-level scale

📊 Fish Compatibility Matrix

Check fish compatibility at a glance with our matrix chart

🔄 Nitrogen Cycle Guide

Auto-calculate bacteria colonization timeline for new tank cycling

🗓️ Seasonal Care Calendar

Monthly care events and seasonal management tips at a glance

🚿 Water Change Calculator

Auto-calculate optimal water change frequency and volume by tank size and fish count

🐠 Stocking Calculator

Calculate max fish capacity for your tank size with overstocking alerts

🏞️ Tank Layout Planner

Get substrate, plant & hardscape suggestions based on tank size and style

🧮 Care Cost Simulator

Estimate initial, monthly & annual costs by category, care level and quantity

⚖️ Species Comparison Tool

Compare two species side by side: care difficulty, size, lifespan & temperature

🎯 Pet Match Diagnostic

Answer 7 questions to find your top 3 perfect pets

🚚 Transport Safety Checker

Check transport safety score and precautions by category, season, method and distance

⏱️ Quarantine & Acclimation Timer

Manage quarantine periods and acclimation steps with countdown timers. Includes recommended durations by species