Skip to content
  • Home
  • Doc’s Songs
  • Search
  • Welcome to Johnson Veterinary Services
  • Do This Now!
  • Meet Marietta Veterinarian Dr. Erik Johnson
  • New Posts
  • Johnson Vet Services – Veterinarian
  • The New Book by Dr Johnson “Saving Sick Fish”
  • Sitemap
  • Youtube Video Channels

Dr Erik Johnson – Veterinarian

Companion Animal & Fish Health

  • Home
  • New Posts
  • The Actual Menu!
    • Johnson Vet Services – Veterinarian
    • The New Book by Dr Johnson “Saving Sick Fish”
    • Youtube Video Channels
    • 20 Video Fish Health Course
    • Sitemap
    • Helping a Sick Betta

Tag: koi need sunlight

29
Dec
2019

The Importance of “Light” to Koi, Goldfish and Aquarium Fish in General

Dr. Erik Johnson

Why Can’t Koi and Goldfish Live in the Dark? Is “Sunlight” Absolutely Necessary? It bears mentioning that…

Koi & Pond Fish, Plants & Algae, The Facilities & Ponds do koi need sunlight, koi need sunlight, lighting requirements of koi, pond fish need light, pond fish need sun, sunlight and koi, what does sunlight do to fish

Search This Site

Doc Johnson’s Best New Album is out on ALL major music platforms!

Do This!

Pond Fixer in Georgia

Categories

  • Aging (28)
  • Allergy Immunology (32)
  • Ammonia (4)
  • Amphibians (2)
  • Ask The Doc (43)
  • Bacteria (26)
  • Birds (2)
  • Bones and Joints (22)
  • Carbonates & PH (13)
  • Cardiology (8)
  • Care & Husbandry (28)
  • Cases & Consults (39)
  • Cases & Recs (63)
  • Cat Health (35)
  • Client Education (180)
  • Crabs Etc (2)
  • Dental Issues (23)
  • Dermatology (51)
  • Diagnostics (8)
  • Doc's Lyrics, Videos, Songs (48)
  • Dog & Cat Library (138)
  • Dog Health (149)
  • Downloads (26)
  • Favorite Pet Videos On TikTok (13)
  • Feature (8)
  • Fish (232)
  • Freshwater Tropical (37)
  • Friends of Doc (3)
  • Fungus / Ringworm (4)
  • Gases & Exchange (8)
  • Gastroenterology (20)
  • Gear & Tech (15)
  • Housekeeping Crap (7)
  • Immunizations (4)
  • Industry and Trending (77)
  • Installers (2)
  • Jerry's Fish Tales (1)
  • Johnson Vet Articles (53)
  • Koi & Pond Fish (129)
  • Koi, Pond and Aquarium Clubs (4)
  • Link Exchange (6)
  • Marine Tropical (2)
  • Medications (69)
  • Microscopy (22)
  • Neurology (5)
  • Nitrate (2)
  • Nitrite (3)
  • Nitrogen Cycle (12)
  • Nutrition (32)
  • Nutrition (69)
  • Nutrition (3)
  • Oncology (20)
  • Ophthalmology (3)
  • Organ Systems (25)
  • Parasites (39)
  • Parasites Inside n Out (10)
  • Pathogens (15)
  • Philosophies (48)
  • Pictures & Videos (27)
  • Plants & Algae (10)
  • Pocket Pets (3)
  • Pond & Koi Clubs (4)
  • Pond Installers (6)
  • Predators of Koi (1)
  • Questions (2)
  • Rabbits (2)
  • Random (298)
  • Recommendations (169)
  • Reptiles (3)
  • Resources (54)
  • Slider (6)
  • Snakes and Everything (1)
  • Symptoms (5)
  • Symptoms of Disease (50)
  • Techniques & Tips (80)
  • The Facilities & Ponds (37)
  • The Water Itself (20)
  • Tips and Tricks (60)
  • Toxicology (8)
  • Toxins Contaminants (12)
  • Training & Discipline (19)
  • Treatments (91)
  • Treatments (103)
  • Turtles n Tortoises (7)
  • Vet Notes (111)
  • Vet Topics (37)
  • Veterinary Care (38)
  • Viruses (27)
  • Water Quality (35)
  • Wildlife (15)

Search

Visit Johnson Vet Svcs

  • Home
  • Johnson Vet Services – Veterinarian
  • The New Book by Dr Johnson “Saving Sick Fish”
  • Youtube Video Channels
  • Do This Now!
  • Doc’s Songs
  • Welcome to Johnson Veterinary Services
  • Sitemap
  • Search
  • New Posts

Ask Beholder Aquatics

Copyright © 2025 Dr Erik Johnson - Veterinarian

Design by ThemesDNA.com