The Paracrossochilus acerus lives in the benthopelagic, freshwater environment.
You mentioned Paracrossochilus acerus in articles by you several times. Inform me whether you referred to the second species or the third one. You surely possess images of it. More
Tulum malajský in Czech (česky)
尖副繐唇魮 in Chinese (中文)
尖副繐唇魮 in Mandarin Chinese