Did you know you have access to The Fish Vet’s expertise, no matter where you are in the world?

2014/02/25 at 08:35 | Posted in Veterinary Fish Medicine | Leave a comment

Are you a pet fish keeper, ornamental fish breeder, retailer or farmer? Are you running public aquaria? Do you use fish in your educational/research institution? Are you an aquaponics or a food fish aquaculture farmer?

Do you use the services of an aquatic veterinarian? Is there one close by?

Did you know that you can access The Fish Vet’s services right where you are?

1. Locally, I provide site visits to my clients. I service clients as far south as Mandurah (and Bremer Bay!) as far north as Yanchep and as far east as Ellenbrook and Armadale. Here, I perform field diagnostics, and I bring along my portable pharmacy to treat your fish’s ailments, or refer you back to fish shops for medicines that they stock.


2. If you are not exactly local, we can schedule a visit, by flight, to any state in Australia, or overseas.


3. I can work through your local veterinarian to achieve a suitable outcome. See picture below.


4. You can consult with me online using the eHow pets platform


5. If you wish to proceed with a direct phone or email consultation, please select the appropriate item from the shopping cart at http://www.thefishvet.com.au

 6. Alternatively, feel free to search for free information on my blog (thefishvet.com).
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Fish Vetting Techniques and Practical Tips – instructional DVD: Fish Vetting Secrets revealed!

2014/01/21 at 08:30 | Posted in Veterinary Fish Medicine | 1 Comment

After attending a multitude of conferences and courses like Aquavet II and Seavet, reading up on the literature, and doing teaching at the university, it’s really hit home to me that: there is no better way to teach or learn, than to show, or be shown.

FISH VETTING TECHNIQUES & PRACTICAL TIPS takes a ‘how to’, hands-on approach to demonstrate veterinary skills employed in working as an aquatic veterinarian. The 105 minute DVD comprises veterinary procedures including taking skin mucus scrapes and gill biopsies, skin ulcer treatment, injecting fish, blood sampling, anaesthesia, surgery, necropsy, histology processing, videos of live microscopic fish pathogens and more… That’s right, I’m giving away all my secrets so that fish clients can have greater access to trained aquatic veterinarians no matter where they are in the world.

After watching this DVD, you can deal with fishes with confidence!

This DVD is ideal for fish veterinarians, aquarists, aquaculturalists, public aquaria, local fish shops and to have handy as a training resource in veterinary schools, laboratories, clinics and zoos. It is a comprehensive resource that incorporates aquatic medicine and pathology.

Make your purchase NOW at http://thefishvet.com.au/shop/shopping.html
Available in two formats: PAL & NTSC (please select the correct item when making your purchase).


In this series are the following books:

  • Fish Vetting Essentials.
  • Fish Vetting Medicines – Formulary of Fish Treatments.

Dr Richmond Loh (BSc, BVMS, MPhil, MANZCVS, CertAqV) is the 2014 President of the World Aquatic Veterinary Medical Association (WAVMA), Secretary of The Aquatic Animal Health Chapter of the Australian & New Zealand College of Veterinary Scientists (ANZCVS), an adjunct lecturer at Murdoch University in Western Australia, an eHow Pets Expert and is a George Alexander Foundation International Fellow. His skill set is unique, having been admitted as a Member of the Australian & New Zealand College of Veterinary Scientists (ANZCVS) by examination in the subjects of “Aquatic Animal Health” and in “Pathobiology”. As “The Fish Vet”, he provides veterinary services for a range of clients and they include individual pet fish owners, public aquaria (Aquarium of Western Australia), retailers, wholesalers, fish farmers (ornamental and food fish) and educational institutions (Murdoch University, Edith Cowan University & University of Western Australia).

Scene 01: Start
Scene 03: Weighing small fish
Scene 04: Weighing large fish
Scene 05: Medicating a pond
Scene 06: Preparing medicated food
Scene 07: Intramuscular (IM) injections
Scene 08: Intraperitoneal (IP) injections
Scene 09: Injection sites recapitulated
Scene 11: Aspirating swimbladder
Scene 12: Surgical weight implantation
Scene 13: Gastric tubing
Scene 14: Skin ulcer treatment
Scene 15: Skin tumour removal & Anaesthesia
Scene 16: Eye enucleation & Anaesthesia
Scene 17: Fish euthanasia
Scene 19: Wet preparation Skin mucus scrape & Gill biopsy
Scene 20: Haematology – Blood sampling
Scene 21: Blood film preparation
Scene 22: Packed cell volume (PCV
Scene 23: Bacteriology
Scene 24: Necropsy & Anatomy
Scene 25: Histology processing
Scene 27: Argulus
Scene 28: Lernaea
Scene 29: Ichthyopthirius | Cryptocaryon
Scene 30: Flukes (Gyrodactylus & Dactylogyrus) & Trichodina
Scene 31: Ichthyobodo
Scene 32: Hexamita
Scene 33: Oodinium | Amyloodinium
Scene 34: Tetrahymena | Uronema
Scene 35: Chilodonella | Brooklynella
Scene 36: Peritrichous ciliates
Scene 37: Lymphocystis
Scene 38: Water mite
Scene 39: Air-dried, Diff Quik-stained smears of parasites

The Fish Vet’s veterinary services – integrated innovative solutions.

2012/12/11 at 07:55 | Posted in Veterinary Fish Medicine | 1 Comment

In veterinary health care, there may be service boundaries defined by providers’ clinical specialties. The results will be fragmented, inconvenient, inefficient and the outcomes compromised for the solutions you needed yesterday. The Fish Vet’s services are designed to achieve excellent outcomes for clients with customised needs.

Most veterinarians have expertise in single fields. Dr Loh is unique in that he is one of only two veterinarians globally who has post-graduate, Membership qualifications in aquatic animal health and in veterinary pathology, admitted by examination to the Australian and NZ College of Veterinary Scientists. He also holds a research Masters degree. This means that he can solve your problems in the field or laboratory, and can devise strategies for research if the problems are more complex.

Dr Loh is affiliated with many world class organisations, serving as the Secretary of the Aquatic Animal Health Chapter of the Australian and New Zealand College of Veterinary Scientists, President-elect of the World Aquatic Veterinary Medical Association, a Senior Adjunct Lecturer at Murdoch University’s Veterinary and Biomedical Sciences section and a past Treasurer for the Australian Society of Veterinary Pathologists. He is also a member of the International Association for Aquatic Animal Medicine and a member of the European Association of Fish Pathologists.

The Fish Vet as a one-stop shop, gives the clients a personal connection to the all the veterinary services you require. The Fish Vet’s clients benefit from more convenient and better coordinated access to veterinary services and improved outcomes. The Fish Vet operates a mobile consultancy service and so no matter where you are in Australia, Dr Loh can organise delivery of his services to your pet, your business or your farm.

To find out more, go to -
TheFishVet’s site  or

see the adverts:


Fish Vetting Medicines: Formulary of Fish Treatments.

2012/11/26 at 02:43 | Posted in Veterinary Fish Medicine | Leave a comment

With nearly 300 drug entries, it is a comprehensive yet practical, quick access reference; making it an indispensible resource for anyone interested in fish health including veterinarians. It’s like MIMS for fish!

Its content organisation is designed for enhanced navigability with medicines arranged by:

  • Pathogen type (disease causing organisms),
  • Therapeutic use or groups,
  • Common disease conditions,
  • And in alphabetical order.

Read more here.

Fish Vetting Essentials.

2012/05/27 at 12:37 | Posted in Veterinary Fish Medicine | Leave a comment

The web can be a great resource but you may also find that it is full of contradictory information overload. Like you, I have found that reliable information on fish health, disease and medicine is difficult to come by and is at best, fragmented.

This is why I have published two essential books on aquatic veterinary medicine.

So if you’re serious about fish health, these are two indispensible texts on fish you must have at your fingertips!

Fish Health Professionals – Land the Catch of the Year!

Fish Vetting Essentials is a comprehensive resource that incorporates elements of fish keeping, clinical medicine and fish pathology in a readily digestible form.

Important information for diagnosticians in this book include:

  • how to interpret water quality
  • how to diagnose common fish diseases
  • how to medicate fish
  • how to treat fish diseases using drugs available in standard veterinary clinics.
View sample pages here –  eFishVetEssentialswLinks.

Do fish drink water?

2014/04/17 at 16:05 | Posted in Veterinary Fish Medicine | Leave a comment

You’ve heard of the saying, “To drink like a fish!” But do they drink? This is a question posted on my Facebook Fanpage today.

I’m going to give you a ‘yes’ and a ‘no’ answer. Let me explain.

Marine fish do drink large amounts of water to maintain hydration. They produce small amounts of minimally concentrated urine. Much of the excess salts are removed instead, through their gills.

Fish that live in freshwater don’t exactly drink water, but they absorb it from their environment through their skin and gills; in a process called osmosis. They then have to expend energy to get rid of the excess water by producing lots of dilute urine.

This is why when freshwater fish get sick, they start to bloat and present with dropsy (see previous post – http://thefishvet.com/2013/10/22/is-there-a-cure-for-dropsy-in-fish-thefishvets-secrets-revealed/). This is the reason for altering the salinity of the fish’s environment when they get sick.

Yours sincerely,

Dr Richmond Loh
DipProjMgt, BSc, BVMS, MPhil (Pathology) Murdoch, MANZCVS (Aquatics& Pathobiology), CertAqV, NATA Signatory.
THE FISH VET, Perth, Western Australia.
Veterinary Medicine for fish.
W: http://www.thefishvet.com.au
E: thefishvet
P: +61 (0)421 822 383

Can tails and fins of Betta fish re-grow, like our hair or nails?

2014/04/17 at 08:00 | Posted in Veterinary Fish Medicine | Leave a comment

I received this question recently and it’s quite a common one I get asked. Very often, fish injure themselves during a fight and they may sustain damage to their fins and scales. Do they repair and do they regrow?

Yes, tails and fins can regrow, but usually, not necessarily to the same length. But unlike hair and nails, the tissues in the fins are living. Scales can regrow, similar to nails, so long as the scale pits are not damaged. I often pluck scales away from ulcerated areas to help healing because the calcified structures may inhibit quick repair. I also pluck scales in preparation for surgery, along the incision site.

There are so many things that can regrow in fish. In fact, researchers are studying the zebrafish on just how they do so. Research has shown that zebrafish can regenerate not only their fins and scales, but also the liver, pancreas, heart and spinal cord! When they understand the mechanisms these fish use to regenerate their organs, the information can be used to try to help human patients.

How do you cool water in a fish tank?

2014/04/16 at 14:41 | Posted in Veterinary Fish Medicine | Leave a comment

Although we’re heading into the middle of autumn, there are still some warm days around. Some of your temperate fish may have been lucky to survive several heat waves, but be aware that a more permanent type water cooling might be necessary for future summers.

In the meantime, take a look at a previous post (an oldie, but a goodie) – http://thefishvet.com/2012/01/24/how-do-protect-fish-from-the-heat/

Follow me on: Facebook "Fin Page"YouTubeBlogLinkedinTwitter

Yours sincerely,

Dr Richmond Loh DipProjMgt, BSc, BVMS, MPhil (Pathology) Murdoch, MANZCVS (Aquatics & Pathobiology), CertAqV, NATA Signatory.
Aquatic Veterinarian | Adjunct Lecturer Murdoch University | President WAVMA |
Secretary Aquatic Animal Health Chapter – ANZCVS.
THE FISH VET, Perth, Western Australia, AUSTRALIA. Mobile Aquatic Veterinary Medical & Diagnostic Services.
Ph: +61 (0)421 822 383
Skype: thefishvet

Looking for more books? Check out this site.

The Fish Vet - Perth, WAwavma.jpg?w=780

Who are some of the Australian aquatic veterinarians?

2014/04/16 at 08:00 | Posted in Veterinary Fish Medicine | Leave a comment

Last week I was asked, “Who are some of the experts in aquatic veterinary medicine?”

Off the top of my head, I listed some Aussie fish vets’ names.

Some of the “oldies” who’ve postgraduate qualifications and experience related to aquatic animal health include Drs:
Matt Landos
Stephen Pyecroft
Judith Handlinger
Richmond Loh
Robert Jones
Alistair Brown
Rachel Bowater
Roger Chong
Ian Anderson
Susan Kueh
David Blyde
Zoe Spiers

Some of the new veterinary graduates include Drs:
Brett DePoister
Sandy Ypelaan
Jo Bannister
Erin Kelly

Of course there are more than these and they can include those who dabble in aquatics either clinically, or in pathology, research and welfare sectors. The list also continues to grow as more and more veterinarians are paying greater attention to this traditionally neglected area.

At last count, according to Dr Pin Needham, while he was preparing his presentation at the IAAAM Conference in Gold Coast, there are at least 100 Australian veterinarians who deal with aquatic animals in some form or other.

What’s the fuzz on my yabby? Can you eat yabbies that have white fluffy growths?

2014/04/15 at 15:40 | Posted in Veterinary Fish Medicine | Leave a comment

I purchased some live yabbies from a local fish shop recently to stock my backyard aquaponics. This individual was weak and had some white fuzz on its shell.

What causes white fluffy growths on yabbies? Is it safe to eat it?

With my trusty microscope and handy iPhone, I managed to take a happy snap of a bunch of stalked peritrichous protozoa. These are Epistylis organisms. These parasites are secondary pathogens and it’s more an indication of poor water or environment quality where the yabby was raised. It reflects waters with high organic matter and possibly low dissolved oxygen. In low amounts it’s not an issue, but high loads can be a health concern for the crustacean.

Management will incorporate improving their tank or dam conditions before it’s too late.

It’s not an issue for human health safety, the yabby and its mate went into the pot (but not before I took more samples for further testing!)!


And how about the story of his mate?

To be continued…

Can you preserve gill biopsies and skin mucus scrape samples overnight?

2014/04/15 at 08:00 | Posted in Veterinary Fish Medicine | Leave a comment

I received a query from a colleague recently, “How do you handle sampling with house calls? If I do a house call and do scrapings and fin/gill cuttings how do I get the sample and slides to hold overnight to make it to the microscope?”

My response below:

I’ve been making dry preps for viewing neat, and then again, after staining with Diff Quik. Unless they’re packed with bugs, I find the dry preparations unsatisfactory for making a definitive diagnosis.

For purposes of teaching, I’ve come across the Frame Seal Slides (see previous post), but these are preserved in formalin and you’ll miss the main diagnostic feature, which is, motility.

I carry a portable microscope to the site. This way I can make a diagnosis on the spot and provide treatment options straight away. The wet preparations need to be examined within 2-5 minutes so you’ll see the parasites moving.

I’ve spent over ten years, sitting behind a microscope as a veterinary pathologist. I’ve spent thousands of dollars and been through a variety of scopes, trying to find a decent one. I know a good one when I use it. In fact, I liked the one I use so much, now I’m selling the scope myself.

It’s available from my website’s store -


Yours sincerely,

Dr Richmond Loh
DipProjMgt, BSc, BVMS, MPhil (Pathology) Murdoch, MANZCVS (Aquatics& Pathobiology), CertAqV, NATA Signatory.
THE FISH VET, Perth, Western Australia.
Veterinary Medicine for fish.
W: http://www.thefishvet.com.au
E: thefishvet@gmail.com
P: +61 (0)421 822 383

Fish Joke for Monday-itis: just jokes.

2014/04/13 at 23:05 | Posted in Veterinary Fish Medicine | Leave a comment

Q: What’s the funniest fish in the ocean?

A: a clownfish!

Did you know that nutrients leach out of thawed frozen foods?

2014/04/13 at 08:04 | Posted in Veterinary Fish Medicine | Leave a comment

If you’re working in a public aquarium, or raising some large fish at home, and you feed them thawed frozen food, they might be deficient in some important vitamins and minerals. Did you know that many water-soluble nutrients such as B vitamins are lost as foods are thawed?

At the Aquarium of Western Australia (AQWA), I compared the commercially available nutritional supplements available for sharks, studied various scientific texts on fish nutrition, and came up with a tailored supplement for the sharks I help look after. This recipe is attached below. This recipe can also be tailored to your fish.

So if you’re serious about your fish’s health, drop me a line and let me see how I can help you and your aquarium.


The mind-blowing things you didn’t know about the ocean.

2014/04/12 at 00:55 | Posted in Veterinary Fish Medicine | Leave a comment

This is why I love the oceans and water life!

Read more at this link :

Yours sincerely,

Dr Richmond Loh
DipProjMgt, BSc, BVMS, MPhil (Pathology) Murdoch, MANZCVS (Aquatics& Pathobiology), CertAqV, NATA Signatory.
THE FISH VET, Perth, Western Australia.
Veterinary Medicine for fish.
W: http://www.thefishvet.com.au
E: thefishvet
P: +61 (0)421 822 383

Dr Karl busts popular science myths.

2014/04/11 at 08:00 | Posted in Veterinary Fish Medicine | Leave a comment

It’s great that the myth of fish having poor memories is being busted on mainstream media.

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