Dorsal spines (total): 1; Dorsal soft rays (total):
6; Anal soft rays: 12 - 15; Vertebrae: 38 - 41. Posterior
edge of adipose fin rounded; length of adipose fin
base 23.3-27.9% SL (versus 19.9-22.8 in A. variegatum);
depth of caudal peduncle 13.2-15.9% SL; body depth
at anus 11.2-14.2% SL; eyes small, dorsolaterally
situated and subcutaneous, diameter 5.5-8.5% HL. Habitat:
Inhabits rivers and streams with moderate to swift
current and sandy or rocky bottoms. Individuals hiding
under rocks or submerged logs during the day and coming
out at night to feed. Warning: The
fish is capable of inflicting a painful sting with
its dorsal and pectoral spines, with much swelling
and excruciating pain in the afflicted area for several
hours. Remarks: The first thumbnail
species was collected by the image contributor, Zhou
Hang, in Chantaburi, Eastern Thailand.
peninsular (Khlong Sok at Ban Khlong Sok, Surat Thani
Prov.) and SE Thailand (provinces of Trat and
Ng, H.H. and M. Kottelat,
2000. A review of the genus Amblyceps (Osteichthyes:
Amblycipitidae) in Indochina, with descriptions of
five new species. Ichthyol. Explor. Freshwat. 11(4):335-348. Froese, R. and D. Pauly. Editors.
2009.FishBase. World Wide Web electronic publication.
www.fishbase.org, version (04/2010).