T

Teemu Suoninen

Head Aquarist & Exotic Fish Specialist Verified expert

15+ jaar ervaringCITES-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

Gepubliceerde werken

Species guides, care guides and articles by Teemu Suoninen.

Soortgids

Platinum Arowana Care Guide

Read it →

Soortgids

Gem Tang Care Guide

Read it →

Soortgids

Peppermint Angelfish Care Guide

Read it →

Soortgids

Wolf Fish Care Guide

Read it →

Soortgids

Flowerhorn Cichlid Care Guide

Read it →

Soortgids

Black Diamond Stingray (Potamotrygon leopoldi)

Read it →

Soortgids

Zebra Pleco (Hypancistrus zebra)

Read it →

Soortgids

Fire Eel (Mastacembelus erythrotaenia)

Read it →

Soortgids

Clown Knife Fish (Chitala ornata)

Read it →

Soortgids

Blue Diamond Discus (Symphysodon aequifasciatus)

Read it →

Soortgids

Peacock Bass (Cichla ocellaris)

Read it →

Soortgids

Clown Loach (Chromobotia macracanthus)

Read it →

Soortgids

Elephantnose Fish (Gnathonemus petersii)

Read it →

Soortgids

Albino Shark (Epalzeorhynchos munense)

Read it →

Soortgids

Electric Eel (Electrophorus electricus)

Read it →

Soortgids

Arapaima (Arapaima gigas)

Read it →

Soortgids

Blue Zaire Frontosa (Cyphotilapia frontosa)

Read it →

Soortgids

Red-Bellied Piranha (Pygocentrus nattereri)

Read it →

Soortgids

Freshwater Stingray (Potamotrygon motoro)

Read it →

Soortgids

Altum Angelfish (Pterophyllum altum)

Read it →

Soortgids

Discus Fish (Symphysodon aequifasciatus)

Read it →

Soortgids

Dragon Goby (Gobioides broussonnetii)

Read it →

Soortgids

Fahaka Pufferfish (Tetraodon lineatus)

Read it →

Soortgids

Mbu Pufferfish (Tetraodon mbu)

Read it →

Soortgids

Shovelnose Tiger Catfish (Pseudoplatystoma tigrinum)

Read it →

Soortgids

Starry Night Cichlid (Paratilapia polleni)

Read it →

Soortgids

Irwini Catfish (Paulicea lutkeni)

Read it →

Soortgids

Red Tail Catfish (Phractocephalus hemioliopterus)

Read it →

Soortgids

Axolotl Complete Care Guide

Read it →

Soortgids

Ranchu Goldfish Complete Guide

Read it →

Soortgids

Kohaku Koi Complete Guide

Read it →

Soortgids

Koi Fish Complete Care Guide

Read it →

Soortgids

Betta Fish Complete Guide

Read it →

Soortgids

Galaxy Koi Betta Complete Guide

Read it →

Soortgids

Tiger Oscar

Read it →

Soortgids

Albino Oscar

Read it →

Soortgids

Denison Barb

Read it →

Soortgids

Alligator Gar

Read it →

Soortgids

Platinum Gar

Read it →

Soortgids

Neptune Grouper

Read it →

Soortgids

Panther Grouper

Read it →

Soortgids

Oranda Goldfish

Read it →

Soortgids

Ryukin Goldfish

Read it →

Soortgids

Lionhead Goldfish

Read it →

Soortgids

Sanke Koi

Read it →

Soortgids

Showa Koi

Read it →

Soortgids

Butterfly Koi

Read it →

Soortgids

Snowflake Moray Eel

Read it →

Soortgids

Tiger Loach

Read it →

Soortgids

Black Ghost Knife Fish

Read it →

Verzorgingsgids

Arowana Tank Setup

Read it →

Verzorgingsgids

Pufferfish Diet & Feeding

Read it →

Verzorgingsgids

Cichlid Water Parameters

Read it →

Verzorgingsgids

Stingray Tank Setup & Water Parameters

Read it →

Verzorgingsgids

Discus Water Parameters & Tank Setup

Read it →

Verzorgingsgids

Pleco Care Guide: Diet, Tank Setup & Water Parameters

Read it →

Verzorgingsgids

Betta Fish Care Beyond the Bowl: Proper Tank Setup

Read it →

Verzorgingsgids

Predatory Fish Feeding Guide: Live, Frozen & Pellet Diets

Read it →

Verzorgingsgids

Arowana Water Parameters Guide

Read it →

Verzorgingsgids

Arowana Feeding Guide

Read it →

Verzorgingsgids

Discus Fish Tank Size Guide

Read it →

Verzorgingsgids

Discus Fish Tank Mates

Read it →

Verzorgingsgids

Discus Fish Feeding Guide

Read it →

Verzorgingsgids

How to Breed Discus Fish

Read it →

Verzorgingsgids

Wolf Fish Care Guide

Read it →

Verzorgingsgids

Fahaka Pufferfish Care Guide

Read it →

Verzorgingsgids

MBU Pufferfish Care Guide

Read it →

Verzorgingsgids

Flowerhorn Cichlid Care Guide

Read it →

Verzorgingsgids

Red Tail Catfish Care Guide

Read it →

Verzorgingsgids

Dragon Goby Care Guide

Read it →

Verzorgingsgids

Axolotl Tank Setup: Complete Guide

Read it →

Verzorgingsgids

What Do Axolotls Eat? Complete Feeding Guide

Read it →

Verzorgingsgids

Koi Pond Setup: Complete Guide

Read it →

Verzorgingsgids

Betta Fish Care: The Complete Guide

Read it →

Verzorgingsgids

Ich Treatment Guide: How to Cure White Spot Disease

Read it →

Verzorgingsgids

Fin Rot Treatment Guide: Causes, Symptoms & Cure

Read it →

Verzorgingsgids

Fish Quarantine Guide: Setup, Protocol & Best Practices

Read it →

Verzorgingsgids

Aquarium Parasite Treatment: Flukes, Anchor Worm & Velvet

Read it →

Verzorgingsgids

Fish Disease Prevention: Proactive Strategies for Healthy Aquariums

Read it →

Verzorgingsgids

The Nitrogen Cycle: How to Cycle Your Aquarium

Read it →

Verzorgingsgids

Aquarium Water Testing Guide: Kits, Parameters & Schedule

Read it →

Verzorgingsgids

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

Read it →

Verzorgingsgids

Arowana Tank Mates: Compatible Species Guide

Read it →

Verzorgingsgids

Cichlid Tank Mates: Compatible Species by Type

Read it →

Verzorgingsgids

Betta Tank Mates: Compatible Species Guide

Read it →

Verzorgingsgids

Pufferfish Tank Mates: Compatible Species by Puffer Type

Read it →

Verzorgingsgids

Aquarium Filter Guide: Types, Sizing & Maintenance

Read it →

Verzorgingsgids

Aquarium Heater Guide: Types, Sizing & Placement

Read it →

Verzorgingsgids

Aquarium Lighting Guide: Types, Spectrums & Photoperiods

Read it →

Verzorgingsgids

How to Breed Arowana: A Complete Guide

Read it →

Verzorgingsgids

How to Breed Betta Fish: A Complete Guide

Read it →

Verzorgingsgids

How to Breed Axolotls: A Complete Guide

Read it →

Verzorgingsgids

How to Breed Koi Fish: A Complete Guide

Read it →

Verzorgingsgids

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

Read it →

Verzorgingsgids

Oscar Fish Care Guide

Read it →

Verzorgingsgids

Goldfish Care Guide

Read it →

Verzorgingsgids

Koi Fish Care Guide

Read it →

Verzorgingsgids

Piranha Care Guide

Read it →

Verzorgingsgids

Gar Fish Care Guide

Read it →

Verzorgingsgids

Freshwater Eel Care Guide

Read it →

Verzorgingsgids

Barb Fish Care Guide

Read it →

Verzorgingsgids

Loach Care Guide

Read it →

Verzorgingsgids

Marine Tang Care Guide

Read it →

Verzorgingsgids

Freshwater Stingray Care Guide

Read it →

Verzorgingsgids

Knife Fish Care Guide

Read it →

Verzorgingsgids

Oscar Tank Mates Guide

Read it →

Verzorgingsgids

Goldfish Tank Mates Guide

Read it →

Verzorgingsgids

Marine Grouper Care Guide

Read it →

Journal

Most Expensive Fish in the World

Read it →

Journal

Exotic Fish Tank Setup

Read it →

Journal

Arowana Care Guide

Read it →

Journal

Best Exotic Fish for Beginners: 10 Species Under $100

Read it →

Journal

How Much Does an Arowana Cost? Pricing Guide by Species

Read it →

Journal

Freshwater Stingray Care: Everything You Need to Know

Read it →

Journal

Rare Fish That Are Legal to Own in the US

Read it →

Journal

Top 10 Most Colorful Freshwater Fish for Your Aquarium

Read it →

Journal

The Most Expensive Aquarium Fish in the World

Read it →

Journal

15 Rarest Fish in the Aquarium Hobby (2026)

Read it →

Journal

Platinum Arowana Price Guide

Read it →

Journal

Discus Fish: The Complete Beginner's Guide

Read it →

Journal

Wolf Fish: Everything You Need to Know

Read it →

Journal

Buying Exotic Fish Online: The Complete Guide

Read it →

Journal

20 Best Large Freshwater Fish for Aquariums

Read it →

Journal

Flowerhorn Cichlid: The Complete Guide

Read it →

Journal

Fahaka Pufferfish: Care, Tank Setup & Feeding

Read it →

Journal

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

Read it →

Journal

Types of Catfish: The Complete Aquarium Guide

Read it →

Journal

Types of Cichlids: The Complete Aquarium Guide

Read it →

Journal

Common Fish Diseases: Symptoms, Causes & Treatment Guide

Read it →

Journal

Best Tank Mates for Exotic Fish: Compatibility Guide

Read it →

Journal

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

Read it →

Journal

Oscar vs Flowerhorn: Which Cichlid Is Right for You?

Read it →

Journal

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

Read it →

Journal

Freshwater vs Saltwater Aquarium: The Complete Comparison

Read it →

Journal

Arowana vs Flowerhorn: The Ultimate Exotic Fish Showdown

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

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

Read it →

Journal

Goldfish Price Guide: From Feeder Fish to Championship Ranchu

Read it →

Journal

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

Read it →

Journal

Best Catfish for Beginners: Low-Maintenance Bottom Dwellers

Read it →

Journal

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

Read it →

Journal

Best Betta Varieties for Beginners: Beautiful and Easy to Keep

Read it →

Journal

Best Koi Varieties for Beginners: Pond Fish That Thrive

Read it →

Journal

Best Goldfish Varieties for Beginners: Hardy and Beautiful

Read it →

Journal

Best Pufferfish for Beginners: Quirky Personalities, Manageable Care

Read it →