
Glowlight Tetra (Hemigrammus erythrozonus)
The Glowlight Tetra is one of the most visually striking and peaceful freshwater fish species, cherished by aquarists for its glowing orange-red st…
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This Fish Species hub on Fishy Friends gathers practical fish species guidance for keepers who want clear answers before they change water, livestock, or gear.
Use these articles to match species to tank size, plan filtration and feeding, and troubleshoot water chemistry without guessing. Each guide is written for home aquariums and links to related reading when you need more depth on fish species.
Start with the basics — stable parameters, quarantine habits, and a feeding schedule that matches the livestock — then browse the profiles and how-tos below. When you are ready to branch out, jump into neighbouring topics so your fish species plan stays consistent across the whole tank.
Whether you are stocking a first community tank or refining an established scape, bookmark this page and return as questions come up. Healthy aquariums are built from small, repeatable routines more than one-time upgrades, and fish species success follows the same pattern.
Explore next: freshwater fish, saltwater fish, coldwater fish, all guides.
Fishy Friends publishes species care sheets, plant and invertebrate notes, aquascaping ideas, and water-care explainers so fish species advice stays easy to find. Read one guide thoroughly, apply it slowly, and use the linked hubs above when you want a second angle on the same problem.
Before you buy livestock or rethink filtration, skim two or three fish species articles here and write down target numbers for temperature, hardness, and feeding. That short checklist prevents the most common resets and keeps your aquarium closer to the calm, healthy display you are aiming for.
Come back after water changes or new additions: compare what you see in the tank with the fish species checklists below, then follow one recommended next step instead of changing everything at once. Steady improvements compound, and Fishy Friends is built to support that pace.
Jump into popular groups — tetras, corys, danios, and more.

The Glowlight Tetra is one of the most visually striking and peaceful freshwater fish species, cherished by aquarists for its glowing orange-red st…
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Among freshwater aquarists, the Sailfin Pleco (Pterygoplichthys gibbiceps) is a highly recognizable species. Its tall, sail-like dorsal fin and uni…
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The False Bandit Corydoras, scientifically known as Corydoras melini, is a delightful and active freshwater catfish species belonging to the Callic…
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The Giraffe Catfish (Auchenoglanis occidentalis), also known as the Giraffe-nosed Catfish, is an impressive freshwater fish native to Africa. Known…
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The Dwarf Pike Cichlid, scientifically known as Crenicichla compressiceps, is one of the most intriguing and lesser-known members of the cichlid fa…
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The Cockatoo Dwarf Cichlid, scientifically known as Apistogramma cacatuoides, is one of the most beloved species of dwarf cichlids in the aquarium…
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Among the most popular and vividly colored dwarf cichlids in the aquarium hobby, Agassiz’s Dwarf Cichlid (Apistogramma agassizii) stands out as a…
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The Elegant Corydoras (Corydoras elegans), commonly known as the Elegant Cory Catfish, is a small, peaceful freshwater fish beloved by aquarists fo…
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The Rainbow Shark, scientifically known as Epalzeorhynchos frenatum, is a popular freshwater fish prized for its vibrant coloration and energetic b…
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The Red-tailed Black Shark is one of the most visually stunning freshwater aquarium fish available today. With its jet-black body contrasted by a b…
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The Barber Pole Shrimp (Stenopus hispidus), also commonly known as the Banded Coral Shrimp or Coral Banded Shrimp, is one of the most recognizable…
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The Cleaner Shrimp, also known as the Pacific Cleaner Shrimp or Scarlet Skunk Cleaner Shrimp, is one of the most iconic and beneficial marine inver…
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The Sexy Shrimp, scientifically known as Thor amboinensis, is one of the most eye-catching and charismatic shrimp species found in the marine aquar…
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Introduction The Altum Angelfish, a majestic presence in the freshwater aquarium, is a species that commands attention. With its towering fins and…
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The Enigmatic Banggai Cardinalfish (Pterapogon kauderni): A Gem of the Coral Reef The Banggai Cardinalfish, scientifically known as Pterapogon kaud…
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The Bigmouth Sleeper Goby, a fascinating species within the freshwater realm, captivates aquarists with its unique behavior and appearance. This bl…
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Introduction Black Angelfish: The Elegant Freshwater Beauty The Black Angelfish is a captivating freshwater fish known for its striking jet-black c…
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The Captivating Black Neon Tetra: Your Guide to a Charismatic Aquarium Resident If you’re seeking a dash of elegance and allure in your aquarium,…
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The Enigmatic Black Widow Tetra: Your Guide to Care and Beauty The Black Widow Tetra, scientifically known as Gymnocorymbus ternetzi, is a captivat…
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The Blackline Rasbora (Rasbora borapetensis), also commonly referred to as the Red-tailed Rasbora or Borapet Rasbora, is a small and elegant freshw…
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Introduction The Blackline Tail Tetra, a captivating freshwater fish, is a favorite among aquarists for its vibrant colors and dynamic presence in…
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The Blackspotted Puffer, scientifically known as Arothron nigropunctatus, is a fascinating and charismatic marine species loved by aquarists around…
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The Enchanting Blue Star Leopard Wrasse (Macropharyngodon bipartitus): A Gem of the Coral Reefs The Blue Star Leopard Wrasse, scientifically known…
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The Stunning Blue Zebra Cichlid (Maylandia callainos): A Gem of Lake Malawi The Blue Zebra Cichlid, scientifically known as Maylandia callainos, is…
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