Columnaris Disease

Nama lain

saddleback disease, Fin Rot, Myxobacterial disease, Balck Patch necrosis, cotton wool disease [2], bacterial gill disease [6]

Etiologi/ penyebab

Flavobacterium columnaris, dahulu bernama Bacillus columnaris, Chondrococcus columnaris, Cytophaga columnaris, dan Flexibacter columnaris [1]. Merupakan bakteri gram negatif, batang, berukuran  lebar 0.5–0.7mm × panjang 3–5mm [5]

Hospes 

ikan air tawar [1,2], Ayu, tilapia, karper, channel catfish, mas koki, rohu [3]

Tenacibaculosis

Nama lain

Gliding bacterial disease, eroded mouth syndrome, black patch necrosis [1] tenacibaculosis, salt water columnaris disease, bacterial stomatitis [2]

Etiologi/ penyebab

Tenacibaculum maritimum atau dulu lebih dikenal dengan Cytophaga marina / Flexibacter marinus [1]/ Flexibacter maritimus [3] merupakan bakteri gram negatif [2], berfilamen [8], berukuran 0,75 x 2-7 mikron [9].

Hospes

semua ikan laut [8]  kakap , sea bream [1] salmon, rainbow trout, flounder [2], turbot, dover, mullet [3], ikan laut liar [2]

Stadium rentan

Ikan muda lebih rentan daripada dewasa [3]