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Expert Holistic Fish Health Advice, Diagnostics & Training
@geraldbassleerTracked since May 2026
Step-by-Step exclusive fish disease tutorials (videos & guides).
Observed Aug 29, 2026 · staleModeled revenue
Paid members
Unavailable
growth unavailable
Total audience
Unavailable
not publicly listed
Monthly gross
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Starting price
€4/mo
12 membership tiers
Pricing and benefits captured publicly
Membership tiersPatreon is not exposing patron counts by tier for this creator, so this section shows public prices and benefits only.
€0/moFreePublic prices and benefits only
€4/moOfficial Patron for Fish DoctoringReceive WEEKLY updates on diagnosis and treatment of fish disease, presented as video from unique Powerpoints! Cases of diseased fish are examined and discussed so you can learn from our observation! We give practical ideas for the best treatments for your sick fish.
€9/moFREE Q&A with Digital fish doctorGet all the help you need to solve the problems with your fish (or live stock) and your aquarium! The digital fish doctor has all the data of Dr. Gerald Bassleer and will answer in 32 languages (in writing or phonecall) You will also get all the fish disease cases (weekly presented- and you will receive a VIP-Treatment! See https://www.delphi.ai/gbassleer
€10/moAquariology for beginnersIn this course you will have the opportunity to read a booklet (PDF) that teaches you the most important principles of keeping the aquarium and fish in the best conditions. Only 1 payment for a time period of 30days reading & studying!
€20/moAquariology for advanced aquaristisThis course (PDF) is for the advanced aquarists....and for those that are eager to learn more, to become more professional in the keeping of aquarium fish! Here also more emphasis on fish diseases! Who can follow this course? If you have a lot of experience and you did your studies, such as learning the course Aquariology for beginners. Only 1 payment for a time period of 30days reading & studying!
€30/moHelp my fish is sick!Only 1x payment!Get online assistance from the fish doctor to help to do a good diagnosis, evaluation of the problem of your sick fish and implement a treatment! We will need your info with few photographs/videos and we send you below a link for a questionaire to try to help you as quick as possible! Only 1x payment needed!https://www.bassleer.com/vissen/online-help-and-co...
€95/moQuarantine of new marine aquarium fishThis 1x payment (not monthly!!!)= new introduction Lower price!A good QUARANTINE of your new arrivals of marine fish saves fish losses & $$$$ = gives you net profit!!! With several (6) videos (a total of 60hours), we give you the necessary training how to handle new imports or arrivals of marine aquarum fish at exporter from the ocean or importer from their suppliers. It is most important to implement correct practices with good acclimation and treatments during short-term and long-term quarantine! This all done to avoid unnecessary losses of fish and $$$ business. As fish doctor, I will also be available to answer your questions and I hope to give the necessary help. Also 1 hour ZOOM-meeting (€ 98.00) can be necessary for private talk & exchange of practical info.You will also be able to receive A FREE COPY of my book "Diseases of Marine Aquarium Fish" (New Edition) that is available in different languages (EN, FR or NL).
€95/moQuarantine new arrivals freshwater fishWe show the steps to take to get the best acclimations and handling procedures to obtain good quality of your new arrivals of freshwater fish! This course is presented in 6 videos! When necessary, you can also get a 1 hour ZOOM-meeting for € 98.00 to get more detailed feedback from the fish doctor!
€95/moRequest for helping sick fish via ZOOMThis is 1x to Pay!We can help you and your sick fish with a 1 hour ZOOM-meeting to give you personal, private assistance...so good as we can as fish doctor with e-consultancy!
€98/moCauses & Prevention of Fish DiseasesOnly 1x payment for assistance to help you & your sick fish!As a breeder, importer or exporter you want to have good information with the help of professional videos on the cause of fish diseases!You can write down your questions or comments to get my feedback! And maybe we can help you to solve your problem? But FIRST WATCH the videos because they might have told you the reason why your fish did become sick!You can also apply for 1hr ZOOM meeting (See Consulting for emergency via ZOOM) for personal contact with the Fish Docter Gerald BassleerFor the training of fish disease diagnosis: we made a special training program with 31 videos so you can become an expert (See Fish Disease Diagnosis Training)
€145/moMasterclass "Diagnosing fish diseases"Only 1 payment or 1x fee to pay= to get to get a specific training with high quality videos of diseased fish, dissection, pathogens, etc.;You have chance to see 31 videos that gives you training in fish disease diagnosis, including prevention and control;To become a good researcher of fish diseases, we can teach you in a few weeks (and a opportunity for 1 hour ZOOM meeting) the practical diagnosis that complies with your specific needs & adjusted to your level! Especially hands-on tools for good diagnosis & treatment! Also options for teaching dissection and making good slides for the microscope! Especially when you deal with specific problems (as breeder or farm) we can help you to solve your problems! (Training would be for a short intensive period of 1 hour/ZOOM, therefore limited to few trainees/month).Get also a FREE gift: e-book of The New Illustrated Guide to Fish Diseases
€395/moProfessional Training Fish Health$5a
Growth signals: Expert Holistic Fish Health Advice, Diagnostics & Training
Not measurable
MembershipLast observed 2026-08-29. Not enough recent observation yet for a 30-day reading.
010
May 202618 weeks trackedNow
Expert Holistic Fish Health Advice, Diagnostics & Trainingmembers unavailable · revenue unavailable
The chart only uses Expert Holistic Fish Health Advice, Diagnostics & Training's observed public history. Comparison peers are listed below, but comparable trend series are not available yet.
Where Expert Holistic Fish Health Advice, Diagnostics & Training ranks
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Expert Holistic Fish Health Advice, Diagnostics & Training does not yet have a measured paid-member count. 0 of 4 cohort creators are measured for this metric.Ranking data · includes stale rows| Rank | Creator and why included | Paid members | Gap vs Expert Holistic Fish Health Advice, Diagnostics & Training | Freshness |
|---|---|---|---|---|
| Not ranked |  Expert Holistic Fish Health Advice, Diagnostics & TrainingProfileWritingPaid members position in Recommended cohort | Not measured | Reference | Aug 29, 2026Stale |
| Not ranked |  Elle CordovaWritingCategory, audience, pricing & cadence | Not measured | Not comparable | Aug 29, 2026 |
| Not ranked |  ElleNyxWeb ArtWritingCategory, audience, pricing & cadence | Not measured | Not comparable | Aug 29, 2026 |
| Not ranked |  Ellie JordanWritingCategory, audience, pricing & cadence | Not measured | Not comparable | Aug 29, 2026 |
The rank uses the full fixed cohort. This table shows up to five creators around Expert Holistic Fish Health Advice, Diagnostics & Training; the coverage summary above still counts everyone.
Recent posts
What they publish210Posts total11 postsLast month33.3%Members-only
Previews available for 210 posts
Article Latest postPublicHow to Disinfect Fish Equipment Safely and Correctly to avoid spreading fish diseases!A net can move more than a fish from one tank to another. It can carry mucus, feces, parasites, bacteria, fungal spores, and water that cont
8 hours ago 0 likes 0 commentsFish Hatchery Hygiene Guide for Healthier FryCichlid or Tilapia Mortality Investigation Starts With WaterImageYesterday at Aug 29 crawl€4 tier & up 0 0
Cichlid or Tilapia Mortality Investigation Starts With WaterA Cichlid or Tilapia mortality investigation should begin before the next dead fish is removed from the tank or pond. Mortality is not a diaImageYesterday at Aug 29 crawlPublic 0 0
Step by Step Fish Diagnostics That Prevent LossesA fish that clamps its fins, refuses food, or isolates from the group is not asking for a medication. It is presenting evidence. Step by steArticleAugust 22Public 0 0
Gill Biopsy Versus Skin Scrape: Which Test?A fish can be flashing, breathing hard, clamping its fins, and losing condition while water tests appear acceptable. That is the point at whArticleAugust 22Public 0 0Quarantine Tank vs Hospital Tank ExplainedA fish arrives looking perfect, eats aggressively for three days, and then begins flashing against the glass. At that moment, the differenceArticleAugust 22Public 0 0
Fish Slime Coat Problems and What They MeanA fish that suddenly looks dull, milky, excessively slimy, or scraped is not simply having a cosmetic problem. Fish slime coat problems areArticleAugust 20Public 0 0How to Assess Respiratory Distress in FishA fish at the surface, pumping its gill covers rapidly, is not simply “asking for air.” Respiratory distress in fish is a clinical sign withArticleAugust 20€4 tier & up 0 0
Fish disease case nr. 348 Discus is very skinny, has bacterial infection and bad kidneysA fish that suddenly looks dull, milky, excessively slimy, or scraped is not simply having a cosmetic problem. Fish slime coat problems areArticleAugust 16€4 tier & up 0 0
Fish Slime Coat Problems and What They MeanA fish that suddenly looks dull, milky, excessively slimy, or scraped is not simply having a cosmetic problem. Fish slime coat problems areArticleAugust 16Public 0 0Step by Step Fish Diagnostics That Prevent LossesA fish that clamps its fins, refuses food, or isolates from the group is not asking for a medication. It is presenting evidence. Step by steArticleAugust 15Public 0 0Fish Necropsy for Beginners Made PracticalA fish that dies without a clear explanation is not merely a loss. It may be the most useful diagnostic evidence available in your aquarium,ArticleAugust 15€4 tier & up 0 0
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