Inventory of fishes in the upper Pelus River (Perak river basin, Perak, Malaysia) Author Ikhwanuddin, Mat Esa Mohd Author Amal, Mohammad Noor Azmai Author Aziz, Azizul Author Sepet, Johari Author Talib, Abdullah Author Ismail, Muhammad Faiz Author Hashim, Nor Rasidah text Check List 2017 2017-08-18 13 4 315 325 http://dx.doi.org/10.15560/13.4.315 journal article 10.15560/13.4.315 1809-127X Amblyceps foratum Ng & Kottelat, 2000 Amblyceps foratum Ng and Kottelat 2000: 338 . Material examined. Table 1 . This species is recognized by having one dorsal- fin spine, six soft dorsal-fin rays, 12–15 soft anal-fin rays, 38–41 vertebrae; posterior edge of adipose fin rounded; adipose-fin base 23.3–27.9% SL; caudal-peduncle depth 13.2–15.9% SL; small eyes, dorsolaterally situated and subcutaneous, eye diameter 5.5–8.5% of head length (HL). This species inhabits rivers and streams with moderate to swift current and sandy or rocky bottoms. They hide under rocks or submerged logs during the day and come out at night to feed. This species is capable of inflicting a painful sting with its dorsal and pectoral-fin spines, with much swelling and excruciating pain in the afflicted area for several hours ( Ng and Kottelat 2000 ).