Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); fuliginatus: From the Latin fuliginatus, meaning sooty, in reference to the dark coloration of this species..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: Mekong River in Cambodia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.2 cm SL male/unsexed; (Ref. 56231)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 2; Dorsal soft rays (total): 5; Anal soft rays: 10; Vertebrae: 32. Overall dark-colored body devoid of lighter-colored markings. Length of adipose-fin base 15.1-19.5% SL. Body depth at anus 14.1-16.6% SL. Caudal peduncle depth 10.1-10.5-% SL. Interorbital distance 41.7-45.5% HL. Lack of suborbital depression. Ventralmost extent of gill opening one-third distance from ventral midline of body to base of pectoral spine. Absence of serration on posterior edge of pectoral spine. Truncate caudal fin (Ref. 56231).
Found among roots in a small stream (Ref. 56231).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Ng, H.H. and W.J. Rainboth, 2005. Four new species of Akysis (Teleostei: Siluriformes: Akysidae) from mainland Southeast Asia, with comments on A. similis. Raffles Bull. Zool. Supplement (13):33-42. (Ref. 56231)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).