New records of Endangered Slender Walking Catfish, Clarias pseudonieuhofii Sudarto, Teugels & Pouyaud, 2004 (Siluriformes, Clariidae) from Central Mahakam River, East Kalimantan, Indonesia. - Gustiano, Rudhy; Haryono, Haryono; Harefa, Tonisman; Jusmaldi, Jusmaldi; Nurjirana, Nurjirana; Rusdianto, Rusdianto (Check List, 2025)