N. S. Haile’s research while affiliated with politeknik kuching sarawak and other places

... The Earless monitor is considered a nocturnal species (Harrisson & Haile, 1961) and has been found active in its natural habitat in the evening at about 20:30 (Langner et al., 2017). ...

Reference:

FIRST REPORT ON THE FEEDING BEHAVIOR OF EARLESS MONITOR, LANTHANOTUS BORNEENSIS AND ITS PREDATION ON RICE FIELD FROG, FEJERVARYA LIMNOCHARIS IN A CAPTIVE ENVIRONMENT

... Instead, varanids might use laterally-or frontally-directed strikes similar to those of aquatic snakes or crocodylians (see the respective sections of this chapter), or a modified mechanism of suction feeding based on fast mouth opening, analogous to the method used by the Chinese giant salamander (Heiss et al., 2013). The earless monitor, Lanthanotus borneensis, is largely terrestrial, but it is known to be a skilled swimmer that regularly visits creeks to prey on fish and crustaceans (Harrisson, 1961;Harrisson & Haile, 1961;Langner, 2017). Its feeding mechanism has, to date, not been studied in any detail, but Lanthanotus might use similar strategies to the closely related varanids. ...

Reference:

Convergence of Aquatic Feeding Modes in the Sauropsida (Crocodiles, Birds, Lizards, Snakes and, Turtles)