
Yo-Yo Loach (Botia almorhae)
Bold black-and-white patterned loaches with quirky personalities — best kept in groups with caves, soft sand, and a mixed meaty diet.
Read more →Guides
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.

Bold black-and-white patterned loaches with quirky personalities — best kept in groups with caves, soft sand, and a mixed meaty diet.
Read more →
Tiny ‘salt-and-pepper’ corys that school in midwater as often as on the sand — perfect busy cleaners for nano and shrimp community tanks.
Read more →
A leopard-spotted Corydoras often sold near julii corys — social sand sifters that need groups, soft substrate, and clean oxygenated water.
Read more →
Classic community tetras with glowing shoulder and caudal spots — hardy, peaceful, and perfect for planted mid-size aquariums.
Read more →
Small copper-bronze tetras with white-tipped fins — lively but peaceful shoalers that suit planted community and nano aquariums.
Read more →
Silver-bodied tetras with bright blood-red fins — hardy, energetic schooling fish that prefer longer tanks and cooler room temps.
Read more →
An elegant schooling tetra with smoky flanks and tall black dorsal sails on males — calm mid-water movement for planted aquariums.
Read more →
A compact Brazilian tetra with fiery red rear flanks — peaceful, hardy, and ideal for colour in smaller planted community tanks.
Read more →
A soft-water blackwater gem with a teal-green neon stripe — smaller and more demanding than classic neons, stunning in dense plant thickets.
Read more →
A sleek schooling tetra with a bold diagonal black stripe — peaceful, active mid-water swimmers for planted community aquariums.
Read more →
A deep blue-and-orange dwarf angel popular in fish-only and mixed reefs — striking colour with the usual Centropyge appetite caveats.
Read more →
A bright yellow burrowing goby famous for its symbiotic partnership with pistol shrimp — charismatic sandbed life for peaceful reef tanks.
Read more →
A small, boldly striped reef wrasse valued for hunting pests and perpetual rock-work — active, hardy, and best as a single specimen in most tanks.
Read more →
A shimmering green schooling damsel for reef tanks — peaceful in groups, planktonic feeders, and classic mid-water motion over live rock.
Read more →
A vivid red-orange dwarf angel with vertical bars — one of the most popular Centropyge for larger FOWLR and cautiously mixed reef tanks.
Read more →
A selectively bred electric-blue morph of the classic blue acara — bold colour with a generally manageable New World cichlid temperament.
Read more →
A prehistoric-looking surface hunter with wing-like fins — peaceful above the waterline, but an expert jumper that needs floating cover and live…
Read more →
A pearlescent, high-energy schooling danio that rewards long tanks and cooler tropical rooms with constant mid-water motion.
Read more →
A flattened, patterned ‘scuba’ loach that grazes biofilm in fast, cool, oxygen-rich streams — built for flow, not stagnant community tanks.
Read more →
A larger Amazon tetra with a distinctive crimson ‘heart’ spot — bold in a school, elegant in planted aquariums with soft water.
Read more →
A hardy, gold-and-orange dwarf cichlid that brings personality to planted community tanks without the drama of larger New World cichlids.
Read more →
A soft yellow schooling tetra with a dramatic black dorsal fin — elegant, peaceful, and made for planted community tanks.
Read more →
An active, scarlet-flanked barb that brings motion and tropical colour — best kept in schools with room to cruise.
Read more →
A jewel-red nano predator for mature planted tanks — vivid, territorial in miniature, and happiest when fed tiny live or frozen foods.
Read more →