Reported Aquatic Animal Diseases in the Asia-Pacific Region during the First Quarter of 2024

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

Finfish Diseases

• Infection with Aphanomyces invadans (EUS): Bangladesh in rohu (Labeo rohita) and catla (Catla catla); and, India in snakehead (Channa marulius), freshwater catfish (Wallago attu), and mrigal (Cirrhinus mrigala).
• Infection with red seabream iridovirus (RSIV):  Chinese Taipei in seabass (Lates calcarifer); and, India in pearlspot cichlid (Etroplus suratensis).
• Infection with Tilapia lake virus (TiLV):  India in tilapia (Oreochromis niloticus), and Philippines in juvenile tilapia (Oreochromis sp.).
• Viral encephalopathy and retinopathy (VER): Chinese Taipei in hybrid grouper (Epinephelus fuscoguttatus x E. lanceolatus) and seabass (L. calcarifer).

Molluscan Diseases

• Infection with Abalone herpesvirus:  Australia in wild adults black-lipped abalone (Haliotis rubra).
• Infection with Perkinsus olseni:  India in mussel (Perna viridis), hard clam (Meretrix casta), and short neck clam (Paphia malabarica).

Crustacean Diseases

• Infection with white spot syndrome virus (WSSV):  India in Penaeus vannamei; and, the Philippines in P. vannamei (PL, juvenile, grow-out culture, and adult), P. indicus (grow-out culture), P. monodon (PL and grow-out culture) and crabs (grow-out culture and adult).
• Infection with infectious hypodermal and haematopoietic necrosis virus (IHHNV):  Philippines in P. vannamei (grow-out culture) and P. monodon (PL).
• Acute hepatopancreatic necrosis disease (AHPND):  the Philippines in P. vannamei (PL and grow-out culture) and P. monodon (grow-out culture).
• Hepatopancreatic microsporidiosis caused by Enterocytozoon hepatopenaei (EHP):  India in P. vannamei; and, the Philippines in P. vannamei (PL and grow out culture) and P. monodon.

Amphibian Diseases

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

Other Diseases

• Bangladesh reported Infection with Streptococcus sp. in Tilapia, and Infection with Aeromonas spp. in stinging catfish (Heteropneustes fossilis), gulsha (Mystus cavasius), and pangas catfish (Pangasianodon hypophthalmus).
• India reported Infection with Tilapia parvovirus in O. niloticus.

E.M. Leaño
Senior Programme Officer
Health and Biosecurity