Welcome to our lab page

Important Announcements

We have an updated USDA Feed Import Form!

Click here for the new form.

We have an updated Sample Submission Form! Please use this moving forward.

2023 Sample Submission Form

We have updated Ring Test Application Forms! Please use them if interested in proficiency testing.

2023 Ring Test Application Form (PCR)

2023 Ring Test Application Form (Histology)

Shrimp Pathology Short Course

This year's short course will place from June 12-June 17, 2023.

2023 Program Brochure

APply Here

If you have additional questions or would like to receive an application, please email Tara Detwiler.

We have an updated USDA Animal Import Form!

Click here for the new form.

We now have a mollusc sample submission form!

Click here for the new form.

Testing Available for DIV1/SHIV!

(Decapod Iridescent Virus 1/Shrimp Hemocyte Iridescent Virus)

Please see our most updated sample submission form to order.

Lab group photo



Aquaculture Pathology Laboratory (APL) was formally established by former Professor and Director Dr. Donald Lightner in 1989. Upon his retirement, Dr. Arun K. Dhar joined the laboratory as Director and P.I. of Aquaculture Pathology Laboratory.

We are located in Southern Arizona in the middle of the Sonoran Desert!  Tucson, Arizona is surrounded by beautiful mountains and is located about 220 miles away from the oceanmaking our lab the ideal location for shrimp disease diagnostics and research.

We are currently a USDA approved, ISO 17025:2017 and 17043:2010 accredited (testing and proficiency testing), and OIE reference laboratoryAquaculture Pathology Laboratory, for the past 31 years, has been dedicated to providing quality diagnostic and research services for the growing shrimp industry worldwide.


Contact us:

Aquaculture Pathology Laboratory
The University of Arizona
College of Agriculture & Life Sciences
School of Animal & Comparative Biomedical Sciences
1117 E. Lowell Street
Bldg 90, Room 102
Tucson, AZ. 85721 USA

Main line: 520-621-4438

Lab E-mail: aquapath@cals.arizona.edu

Hours of Operation: Monday–Friday, 8 am–5 pm