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Teleostei (teleosts) > Siluriformes (Catfishes) > Siluridae (Sheatfishes)
Etymology: Kryptopterus: Greek, kryptos = hidden + Greek, pteron = wing. Fin (Ref. 45335); vitreolus: Derived from the diminutive form of the Latin adjective vitreus, meaning of glass, in allusion to the transparent appearance of this species in life (which gives this species its common name of glass catfish)..

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal. Tropical; 13°N - 6°N (Ref. 93176)

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Asia: Peninsular and southeastern Thailand; absent in central Thailand. Report from Penang, Malaysia requires verification.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.5 cm SL male/unsexed; (Ref. 93176)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 32; Anal soft rays: 48 - 55; Vertebrae: 44 - 47. This species differs from all species of Kryptopterus, except K. minor and K. piperatus, in having a transparent (vs. translucent or opaque) body in life, and from members of the K. cryptopterus, K. limpok, and K. schilbeides groups in having 48-55 anal-fin rays (vs. 64-85). It is diagnosed from members of the K. bicirrhis species group (K. bicirrhis, K. lais, K. macrocephalus, K. minor, K. palembangensis and K. piperatus) in having the following combination of characters: snout length 29-35% HL, eye diameter 28-34% HL, body depth at anus 16-20% SL, depth of caudal peduncle 4-7% SL, maxillary barbels reaching beyond base of first anal-fin ray, dorsal profile with pronounced nuchal concavity, 14-18 rakers on first gill arch, and 48-55 anal-fin rays (Ref. 93176).

Occurs in slow moving to standing, brown to black, water (Ref. 93176).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Ng, H.H. and M. Kottelat, 2013. After eighty years of misidentification, a name for the glass catfish (Teleostei: Siluridae). Zootaxa 3630(2):308-316. (Ref. 93176)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 04 June 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00562 (0.00278 - 0.01137), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.6 ±0.6 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Kryptopterus vitreolus Ng & Kottelat, 2013