T

Teemu Suoninen

Head Aquarist & Exotic Fish Specialist Verified expert

15+ ans d'expérienceCITES-Certified TraderFormer Head Aquarist, Rotterdam AquariumAquatic Biology, University of Helsinki

Teemu Suoninen has dedicated over 15 years to the world of exotic and luxury aquarium fish. A graduate of aquatic biology from the University of Helsinki, Teemu began his career at the Rotterdam Aquarium, where he served as Head Aquarist managing one of Europe's most prestigious marine collections. His expertise in Arowana breeding programmes earned him CITES certification as a licensed trader of protected aquatic species. Teemu founded The Fish Collection with a singular vision: to bring the rigour and reverence of fine art collecting to the world of rare fish. His deep knowledge of water chemistry, species compatibility, and ethical sourcing has made The Fish Collection the trusted house for serious collectors across three continents. When not curating specimens, Teemu consults for public aquariums and contributes research on captive breeding of endangered freshwater species.

Arowana breedingRare marine speciesWater chemistryCITES complianceExotic fish sourcingCaptive breeding programmes

Travaux publiés

Species guides, care guides and articles by Teemu Suoninen.

Guide de l'espèce

Platinum Arowana Care Guide

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Guide de l'espèce

Gem Tang Care Guide

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Guide de l'espèce

Peppermint Angelfish Care Guide

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Guide de l'espèce

Wolf Fish Care Guide

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Guide de l'espèce

Flowerhorn Cichlid Care Guide

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Guide de l'espèce

Black Diamond Stingray (Potamotrygon leopoldi)

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Guide de l'espèce

Zebra Pleco (Hypancistrus zebra)

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Guide de l'espèce

Fire Eel (Mastacembelus erythrotaenia)

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Guide de l'espèce

Clown Knife Fish (Chitala ornata)

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Guide de l'espèce

Blue Diamond Discus (Symphysodon aequifasciatus)

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Guide de l'espèce

Peacock Bass (Cichla ocellaris)

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Guide de l'espèce

Clown Loach (Chromobotia macracanthus)

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Guide de l'espèce

Elephantnose Fish (Gnathonemus petersii)

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Guide de l'espèce

Albino Shark (Epalzeorhynchos munense)

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Guide de l'espèce

Electric Eel (Electrophorus electricus)

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Guide de l'espèce

Arapaima (Arapaima gigas)

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Guide de l'espèce

Blue Zaire Frontosa (Cyphotilapia frontosa)

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Guide de l'espèce

Red-Bellied Piranha (Pygocentrus nattereri)

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Guide de l'espèce

Freshwater Stingray (Potamotrygon motoro)

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Guide de l'espèce

Altum Angelfish (Pterophyllum altum)

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Guide de l'espèce

Discus Fish (Symphysodon aequifasciatus)

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Guide de l'espèce

Dragon Goby (Gobioides broussonnetii)

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Guide de l'espèce

Fahaka Pufferfish (Tetraodon lineatus)

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Guide de l'espèce

Mbu Pufferfish (Tetraodon mbu)

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Guide de l'espèce

Shovelnose Tiger Catfish (Pseudoplatystoma tigrinum)

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Guide de l'espèce

Starry Night Cichlid (Paratilapia polleni)

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Guide de l'espèce

Irwini Catfish (Paulicea lutkeni)

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Guide de l'espèce

Red Tail Catfish (Phractocephalus hemioliopterus)

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Guide de l'espèce

Axolotl Complete Care Guide

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Guide de l'espèce

Ranchu Goldfish Complete Guide

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Guide de l'espèce

Kohaku Koi Complete Guide

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Guide de l'espèce

Koi Fish Complete Care Guide

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Guide de l'espèce

Betta Fish Complete Guide

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Guide de l'espèce

Galaxy Koi Betta Complete Guide

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Guide de l'espèce

Tiger Oscar

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Guide de l'espèce

Albino Oscar

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Guide de l'espèce

Denison Barb

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Guide de l'espèce

Alligator Gar

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Guide de l'espèce

Platinum Gar

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Guide de l'espèce

Neptune Grouper

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Guide de l'espèce

Panther Grouper

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Guide de l'espèce

Oranda Goldfish

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Guide de l'espèce

Ryukin Goldfish

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Guide de l'espèce

Lionhead Goldfish

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Guide de l'espèce

Sanke Koi

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Guide de l'espèce

Showa Koi

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Guide de l'espèce

Butterfly Koi

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Guide de l'espèce

Snowflake Moray Eel

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Guide de l'espèce

Tiger Loach

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Guide de l'espèce

Black Ghost Knife Fish

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Guide d'entretien

Arowana Tank Setup

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Guide d'entretien

Pufferfish Diet & Feeding

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Guide d'entretien

Cichlid Water Parameters

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Guide d'entretien

Stingray Tank Setup & Water Parameters

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Guide d'entretien

Discus Water Parameters & Tank Setup

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Guide d'entretien

Pleco Care Guide: Diet, Tank Setup & Water Parameters

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Guide d'entretien

Betta Fish Care Beyond the Bowl: Proper Tank Setup

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Guide d'entretien

Predatory Fish Feeding Guide: Live, Frozen & Pellet Diets

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Guide d'entretien

Arowana Water Parameters Guide

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Guide d'entretien

Arowana Feeding Guide

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Guide d'entretien

Discus Fish Tank Size Guide

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Guide d'entretien

Discus Fish Tank Mates

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Guide d'entretien

Discus Fish Feeding Guide

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Guide d'entretien

How to Breed Discus Fish

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Guide d'entretien

Wolf Fish Care Guide

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Guide d'entretien

Fahaka Pufferfish Care Guide

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Guide d'entretien

MBU Pufferfish Care Guide

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Guide d'entretien

Flowerhorn Cichlid Care Guide

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Guide d'entretien

Red Tail Catfish Care Guide

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Guide d'entretien

Dragon Goby Care Guide

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Guide d'entretien

Axolotl Tank Setup: Complete Guide

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Guide d'entretien

What Do Axolotls Eat? Complete Feeding Guide

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Guide d'entretien

Koi Pond Setup: Complete Guide

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Guide d'entretien

Betta Fish Care: The Complete Guide

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Guide d'entretien

Ich Treatment Guide: How to Cure White Spot Disease

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Fin Rot Treatment Guide: Causes, Symptoms & Cure

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Guide d'entretien

Fish Quarantine Guide: Setup, Protocol & Best Practices

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Guide d'entretien

Aquarium Parasite Treatment: Flukes, Anchor Worm & Velvet

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Guide d'entretien

Fish Disease Prevention: Proactive Strategies for Healthy Aquariums

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Guide d'entretien

The Nitrogen Cycle: How to Cycle Your Aquarium

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Guide d'entretien

Aquarium Water Testing Guide: Kits, Parameters & Schedule

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Aquarium Water Chemistry: pH, GH, KH & TDS Explained

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Guide d'entretien

Arowana Tank Mates: Compatible Species Guide

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Cichlid Tank Mates: Compatible Species by Type

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Betta Tank Mates: Compatible Species Guide

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Pufferfish Tank Mates: Compatible Species by Puffer Type

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Aquarium Filter Guide: Types, Sizing & Maintenance

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Aquarium Heater Guide: Types, Sizing & Placement

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Aquarium Lighting Guide: Types, Spectrums & Photoperiods

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Guide d'entretien

How to Breed Arowana: A Complete Guide

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Guide d'entretien

How to Breed Betta Fish: A Complete Guide

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Guide d'entretien

How to Breed Axolotls: A Complete Guide

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Guide d'entretien

How to Breed Koi Fish: A Complete Guide

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Guide d'entretien

Fish Acclimation Guide: Drip Method, Float Method & Best Practices

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Guide d'entretien

Oscar Fish Care Guide

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Guide d'entretien

Goldfish Care Guide

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Guide d'entretien

Koi Fish Care Guide

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Guide d'entretien

Piranha Care Guide

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Guide d'entretien

Gar Fish Care Guide

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Guide d'entretien

Freshwater Eel Care Guide

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Guide d'entretien

Barb Fish Care Guide

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Guide d'entretien

Loach Care Guide

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Guide d'entretien

Marine Tang Care Guide

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Guide d'entretien

Freshwater Stingray Care Guide

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Guide d'entretien

Knife Fish Care Guide

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Guide d'entretien

Oscar Tank Mates Guide

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Guide d'entretien

Goldfish Tank Mates Guide

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Guide d'entretien

Marine Grouper Care Guide

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Journal

Most Expensive Fish in the World

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Journal

Exotic Fish Tank Setup

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Journal

Arowana Care Guide

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Journal

Best Exotic Fish for Beginners: 10 Species Under $100

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Journal

How Much Does an Arowana Cost? Pricing Guide by Species

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Journal

Freshwater Stingray Care: Everything You Need to Know

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Journal

Rare Fish That Are Legal to Own in the US

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Journal

Top 10 Most Colorful Freshwater Fish for Your Aquarium

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Journal

The Most Expensive Aquarium Fish in the World

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Journal

15 Rarest Fish in the Aquarium Hobby (2026)

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Journal

Platinum Arowana Price Guide

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Journal

Discus Fish: The Complete Beginner's Guide

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Journal

Wolf Fish: Everything You Need to Know

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Journal

Buying Exotic Fish Online: The Complete Guide

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Journal

20 Best Large Freshwater Fish for Aquariums

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Journal

Flowerhorn Cichlid: The Complete Guide

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Journal

Fahaka Pufferfish: Care, Tank Setup & Feeding

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Journal

G.E.M. Tang: The Ultimate Rare Marine Fish Guide

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Journal

Types of Catfish: The Complete Aquarium Guide

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Types of Cichlids: The Complete Aquarium Guide

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Journal

Common Fish Diseases: Symptoms, Causes & Treatment Guide

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Journal

Best Tank Mates for Exotic Fish: Compatibility Guide

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Journal

Best Aquarium Equipment Guide: Everything You Need for a Thriving Tank

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Journal

Oscar vs Flowerhorn: Which Cichlid Is Right for You?

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Journal

Discus vs Angelfish: Which Elegant Cichlid Is Right for You?

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Journal

Freshwater vs Saltwater Aquarium: The Complete Comparison

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Journal

Arowana vs Flowerhorn: The Ultimate Exotic Fish Showdown

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Journal

Betta vs Gourami: Which Labyrinth Fish Is Right for You?

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Journal

Koi vs Goldfish: Size, Lifespan, Cost & Pond Suitability Compared

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Journal

Oscar vs Jack Dempsey: Aggression, Size, Tank Needs & Personality Compared

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Journal

Flowerhorn vs Blood Parrot: Aggression, Appearance, Care & Value Compared

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Axolotl vs Mudpuppy: Species, Care, Legality & Key Differences Compared

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Discus vs Flowerhorn: Care Difficulty, Temperament & Tank Setup Compared

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Journal

Pleco vs Corydoras: Algae Control, Size, Tank Needs & Community Role Compared

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Arowana vs Snakehead: Size, Aggression, Legality & Predator Fish Compared

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Betta vs Paradise Fish: Aggression, Hardiness, Tank Needs & History Compared

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Journal

Freshwater vs Saltwater Stingray: Care, Size, Cost & Legality Compared

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Koi vs Arowana: Cost, Prestige, Care & Collector Culture Compared

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Journal

Discus Fish Price Guide: What to Expect to Pay in 2026

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Journal

Freshwater Stingray Price Guide: Costs, Species & What to Budget

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Journal

Koi Fish Price Guide: From Pond-Grade to Grand Champion

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Flowerhorn Cichlid Price Guide: Kok Size, Colour & Competition Grading

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Journal

Gem Tang Price Guide: Why This Saltwater Fish Commands $800–$3,000

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Journal

Betta Fish Price Guide: From Pet Store to Show-Quality

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Journal

Axolotl Price Guide: Morphs, Costs & What to Budget in 2026

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Journal

Goldfish Price Guide: From Feeder Fish to Championship Ranchu

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Journal

Best Cichlids for Beginners: Hardy, Colourful, and Easy to Keep

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Journal

Best Catfish for Beginners: Low-Maintenance Bottom Dwellers

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Journal

Best Plecos for Beginners: Algae-Eating Powerhouses That Stay Small

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Journal

Best Betta Varieties for Beginners: Beautiful and Easy to Keep

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Journal

Best Koi Varieties for Beginners: Pond Fish That Thrive

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Journal

Best Goldfish Varieties for Beginners: Hardy and Beautiful

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Journal

Best Pufferfish for Beginners: Quirky Personalities, Manageable Care

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