Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Siluridae (Sheatfishes)
Etymology: Pterocryptis: Greek, pteron = wing, fin + Greek, kryptos = hidden (Ref. 45335); crenula: From the Latin crenula meaning small notch, in reference to the relatively shallow notch between the confluent anal and caudal fins diagnostic of this species. Used as a noun.
More on authors: Ng & Freyhof.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: northeastern Viet Nam.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.5 cm SL male/unsexed; (Ref. 41525)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 4; Anal soft rays: 61 - 62; Vertebrae: 55 - 58. With confluent anal and caudal fins separated only by a shallow notch, and a unique combination of the following characters: head width 13.8-14.7% SL, head depth 10-10.1% SL, and pelvic-fin length 6.6-7.3% SL (Ref. 41525).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, H.H. and J. Freyhof, 2001. A review of the catfish genus Pterocryptis (Siluridae) in Vietnam, with the description of two new species. J. Fish Biol. 59(3):624-644. (Ref. 41525)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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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=0.00562 (0.00279 - 0.01132), 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).