Mystus bocourti  (Bleeker, 1864)

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Bagridae (Bagrid catfishes)
Etymology: Mystus: Greek, mystax = whiskered, used by Belon in 1553 to describe all fishes with whiskers (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; demersal; pH range: 6.5 - 7.2; dH range: 10 - 20; potamodromous (Ref. 51243).   Tropical; 22°C - 25°C (Ref. 2060)

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 24.0 cm SL male/unsexed; (Ref. 30857)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal soft rays: 10; Vertebrae: 43. Distinguished from all other Mystus (indeed, from all other Asian Bagridae except Bagrichthys hypselopterus) by its extraordinary high dorsal fin, involving great elongation of the non-serrate dorsal fin spine and first three or four soft rays. Within Mystus sensu stricto, mouth relatively narrow (Ref. 10418).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

Asia: Chao Phraya and Mekong basins. Rare throughout its range (Ref. 10418). Reported from Maeklong River (Ref. 26336).

Biology     Glossary (e.g. epibenthic)

Occur in medium to large-sized rivers (Ref. 12975). Adults feed on crustaceans and benthic invertebrates. Oviparous, distinct pairing possibly like other members of the same family (Ref. 205). Usually marketed fresh (Ref. 12693).

Main reference Upload your references | References | Coordinator | Collaborators

Roberts, T.R., 1994. Systematic revision of Asian bagrid catfishes of the genus Mystus sensu stricto, with a new species from Thailand and Cambodia. Ichthyol. Explor. Freshwat. 5(3):241-256.

IUCN Red List Status (Ref. 90363)

  Vulnerable (VU) (A2ce)

Threat to humans

  Harmless




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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00487 (-0.18543 - 0.19516), b=3.12 (3.01 - 3.22), based on LWR estimates for this family-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.44 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 10,000).
Vulnerability (Ref. 59153):  Moderate vulnerability (38 of 100) .
Price category (Ref. 80766):   Unknown.