Listed below are the reported aquatic animal diseases submitted by countries in the Asia-Pacific region, which covers the second quarter of 2024.  The original and updated reports can be accessed from the QAAD page.  

Finfish Diseases

• Infection with Aphanomyces invadans (EUS): Chinese Taipei in ayu sweetfish (Plecoglossus altivelis).
• Infection with red seabream iridovirus (RSIV):  Chinese Taipei in seabass (Lates calcarifer), hybrid grouper (Epinephelus fuscoguttatus x E. lanceolatus), and black porgy (Acanthopagrus schlegelii).
• Infection with Tilapia lake virus (TiLV):  the Philippines in fingerlings of tilapia (Oreochromis sp.).
• Grouper iridoviral disease: Chinese Taipei in hybrid grouper (E. fuscoguttatus x E. lanceolatus); and, the Philippines in juvenile groupers (Epinephelus spp.; one farm).
• Viral encephalopathy and retinopathy (VER): Australia in farmed 1-3 kg Queensland grouper (E. lanceolatus), and farmed mulloway (Argyrosomus japonicus); and Chinese Taipei in hybrid grouper (E. fuscoguttatus x E. lanceolatus) and crimson snapper (Lutjanus erythropterus).

Molluscan Diseases

• Infection with Abalone herpesvirus:  Australia in wild adults black-lipped abalone (Haliotis rubra).
• Infection with Perkinsus olseni:  India in farmed and wild mussel (Perna viridis), and wild short neck clam (Paphia malabarica).
• Infection with Marteilioides chungmuensis: Chinese Taipei in Portuguese oyster (Crassostrea angulata).

Crustacean Diseases

• Infection with white spot syndrome virus (WSSV):  Australia in wild school prawns (Metapenaeus macleaya); Chinese Taipei in Penaeus vannamei; India in P. vannamei and P. monodon; and, the Philippines in P. vannamei (PL, grow-out culture, and adult), P. indicus (wild), P. monodon (PL and grow-out culture) and crabs (grow-out culture, adult, and wild crabs).
• Infection with infectious myonecrosis virus: India in P. vannamei and P. monodon.
• Acute hepatopancreatic necrosis disease (AHPND):  the Philippines in P. vannamei (grow-out culture), P. monodon (PL), and P. indicus (wild).
• Hepatopancreatic microsporidiosis caused by Enterocytozoon hepatopenaei (HPM-EHP):  Chinese Taipei in P. vannamei; India in P. vannamei; and, the Philippines in P. vannamei (PL and grow-out culture), P. monodon (grow-out culture) and crabs (grow-out culture).

Amphibian Diseases

• Infection with Batrachochytrium dendrobatidis:  Australia in an unknown species of amphibian.

Other Diseases

• India reported Infection with Tilapia parvovirus in O. niloticus.

Prepared by: Chokanan Prompichai, Senior Programme Officer