Reports received in 2025 only came from few member governments including: Australia, Chinese Taipei, Hong Kong SAR, India, Indonesia, Malaysia, Myanmar, the Philippines and Saudi Arabia. Listed below are the reported aquatic animal diseases covering the third and fourth quarters of 2025 (with first and second quarter reports from Chinese Taipei).  The original and updated reports can be accessed at the QAAD page.

Finfish Diseases

• Viral encephalopathy and retinopathy (VER): Australia in farmed seabass (Lates calcarifer) and giant grouper (Epinephelus lanceolatus); Chinese Taipei in hybrid grouper (E. fuscoguttatus x E. lanceolatus) and L. calcarifer;  Indonesia in L. calcarifer, humpback grouper (Cromileptes altivelis), tiger grouper (E. fuscoguttatus), and hybrid grouper; and, the Philippines in roundscad (Decapterus macrosoma), pompano larvae (Trachionotus blochii), siganid (Siganus guttatus), milkfish (Chanos chanos), L. calcarifer larvae, and herring (Sardinella lemura).
• Infection with Koi herpesvirus (KHV):  Chinese Taipei in Amur carp (Cyprinus rubrofuscus); Indonesia in common carp and Koi carp (Cyprinus carpio); and, Malaysia in C. carpio.
• Infection with Megalocytivirus pagrus 1 (incl. RSIV, ISKNV and TRBIV):  Chinese Taipei in L. calcarifer and largemouth bass (Micropterus salmoides) (reported in the first two quarters of 2025); Hong Kong SAR in E. lanceolatus; and, Indonesia in hybrid grouper tilapia and pompano (T. blochii) (RSIV).
• Infection with Tilapia lake virus (TiLV):  Indonesia in tilapia (Oreochromis niloticus) and gouramy (Osphronemus gourami); Indonesia in tilapia (O. niloticus); and, Malaysia in tilapia (Oreochromis spp.).
• Grouper iridoviral disease (GIV): Chinese Taipei in orange-spotted grouper (E. coioides), E. lanceolatus, and hybrid grouper.
• Enteric septicaemia of catfish:  Indonesia in Pangasius sp. and catfish.

Crustacean Diseases

• Infection with white spot syndrome virus (WSSV):  Chinese Taipei, India, and Malaysia in whiteleg shrimp (Penaeus vannamei); Indonesia in P. vannamei and black tiger shrimp (P. monodon); and, the Philippines in P. vannamei and P. monodon (PL and grow-out), freshwater prawn (Macrobrachium rosenbergii), and mudcrab (Scylla serrata and S. olivacea).
• Infection with Infectious hypodermal and haematopoietic necrosis virus (IHHNV):  Australia in farmed postlarvae of in P. monodon; and, the Philippines in P. monodon (grow-out) and P. vannamei (PL, grow-out and broodstock).
• Infection with infectious myonecrosis virus: Indonesia in P. vannamei; and, Malaysia in P. monodon.
• Infection with infectious myonecrosis virus (IMNV):  Indonesia in P. vannamei.
• Acute Hepatopancreatic necrosis disease (AHPND): The Philippines in P. vannamei (grow-out) and P. monodon (Pl and grow-out).
• Hepatopancreatic Microsporidiosis caused by Enterocytozoon hepatopenaei (HPM-EHP):  Chinese Taipei in P. vannamei (reported in the first two quarters of 2025); India in and Indonesia in P. vannamei; Malaysia in P. vannamei and P. monodon; and, the Philippines in P. vannamei (grow-out) and P. monodon (PL and grow-out).

Molluscan Diseases

• Infection with Perkinsus olseni:  Australia in farmed broodstock of green lip abalone (Haliotis laevigata).

Amphibian Diseases

• Infection with Batrachochytrium dendrobatidis:  Australia in wild white lipped tree frog (Litoria caerulea).

Other Diseases

India reported Infection with Tilapia parvovirus in O. niloticus.

Prepared by: Eduardo Leaño, Director General and Senior Programme Officer (Health and Biosecurity)